{"id":8570,"date":"2020-11-25T23:17:22","date_gmt":"2020-11-25T23:17:22","guid":{"rendered":"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/gases-de-referencia\/"},"modified":"2023-02-13T14:45:43","modified_gmt":"2023-02-13T14:45:43","slug":"reference-gas","status":"publish","type":"page","link":"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/reference-gas\/","title":{"rendered":"Reference gas"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-sizes-top:0px;--awb-border-sizes-bottom:0px;--awb-border-sizes-left:0px;--awb-border-sizes-right:0px;--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0px;--awb-padding-right:0px;--awb-padding-bottom:0px;--awb-padding-left:0px;--awb-margin-top:0px;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-bottom:3%;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"2005\" height=\"265\" title=\"header_metrologia_v2_wireless_EN\" src=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/header_metrologia_v2_wireless_EN.jpg\" data-orig-src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/header_metrologia_v2_wireless_EN.jpg\" alt class=\"lazyload img-responsive wp-image-7953\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%272005%27%20height%3D%27265%27%20viewBox%3D%270%200%202005%20265%27%3E%3Crect%20width%3D%272005%27%20height%3D%27265%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/header_metrologia_v2_wireless_EN-200x26.jpg 200w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/header_metrologia_v2_wireless_EN-400x53.jpg 400w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/header_metrologia_v2_wireless_EN-600x79.jpg 600w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/header_metrologia_v2_wireless_EN-800x106.jpg 800w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/header_metrologia_v2_wireless_EN-1200x159.jpg 1200w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/header_metrologia_v2_wireless_EN.jpg 2005w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 2005px\" \/><\/span><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1420.64px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-widget fusion-widget-element fusion-widget-area fusion-content-widget-area wpWidget-1 menu_v_template1 fusion_widget_vertical_menu no-divider-color\" style=\"--awb-fusion-border-size:0px;--awb-fusion-border-style:solid;\"><div class=\"widget avada_vertical_menu\"><style>#fusion-vertical-menu-widget-avada-vertical-menu-widget-1-nav ul.menu li a {font-size:14px;}<\/style><nav id=\"fusion-vertical-menu-widget-avada-vertical-menu-widget-1-nav\" class=\"fusion-vertical-menu-widget fusion-menu hover left no-border\" aria-label=\"Secondary navigation\"><ul id=\"menu-metrology\" class=\"menu\"><li id=\"menu-item-8469\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8469\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/acceleration-vibrations\/\"><span class=\"link-text\"> Acceleration vibrations<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8650\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8650\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/breath-analyzer\/\"><span class=\"link-text\"> Breath analyzer<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8501\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8501\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/eletricity-and-magnetism\/\"><span class=\"link-text\"> Eletricity and magnetism<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8564\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8564\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/force\/\"><span class=\"link-text\"> Force<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8670\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8670\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/gas-analysers\/\"><span class=\"link-text\"> Gas analysers<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8491\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8491\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/length\/\"><span class=\"link-text\"> Length<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8653\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8653\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/mass-solid-density\/\"><span class=\"link-text\"> Mass solid density<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8656\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8656\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/photometry-radiometry-radiofrequencies\/\"><span class=\"link-text\"> Photometry radiometry radiofrequencies<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8005\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8005\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/pressure\/\"><span class=\"link-text\"> Pressure<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8047\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8047\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/properties-of-liquids\/\"><span class=\"link-text\"> Properties of liquids<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8586\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8586\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/reference-gas\/\"><span class=\"link-text\"> Reference gas<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7987\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7987\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/temperature\/\"><span class=\"link-text\"> Temperature<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7962\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7962\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/time-and-frequency\/\"><span class=\"link-text\"> Time and frequency<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7963\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7963\"><a href=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/volume-and-flow\/\"><span class=\"link-text\"> Volume and flow<\/span><span class=\"arrow\"><\/span><\/a><\/li><\/ul><\/nav><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-two subtitulo-sh2\" style=\"--awb-text-color:#f24949;--awb-font-size:20px;\"><h2 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;font-size:1em;--fontSize:20;--minFontSize:20;line-height:2;\">REFERENCE GAS<\/h2><\/div><div class=\"fusion-image-element \" style=\"text-align:right;--awb-margin-top:20px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-glow imageframe-2 hover-type-none\" style=\"-webkit-box-shadow: 0 0 3px rgba(0,0,0,0.3);box-shadow: 0 0 3px rgba(0,0,0,0.3);\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"200\" height=\"200\" title=\"logo SI Const mol.JPG\" src=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-SI-Const-mol.JPG.jpg\" data-orig-src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/\/logo-SI-Const-mol.JPG-200x200.jpg\" alt class=\"lazyload img-responsive wp-image-4754\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27225%27%20height%3D%27225%27%20viewBox%3D%270%200%20225%20225%27%3E%3Crect%20width%3D%27225%27%20height%3D%27225%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-SI-Const-mol.JPG-200x200.jpg 200w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-SI-Const-mol.JPG.jpg 225w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 200px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-1 template-1-text\" style=\"--awb-margin-top:20px;\"><p class=\"p1\"><span class=\"s1\">The Reference Gas Laboratory is responsible for the production,\u00a0maintenance\u00a0and\u00a0development of the gas mixtures national primary standards,\u00a0as well as the development and implementation of new measurement methods and capabilities.\u00a0<\/span><\/p>\n<p class=\"p1\"><span class=\"s1\">Within the scope of its activity it aims to:<\/span><\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\">Preparation and certification of reference gas mixtures (ISO 6142-1 and ISO 6143);<\/span><\/li>\n<li class=\"p1\">To support the gas analyzer laboratory and the alcohol testing laboratory;<\/li>\n<li class=\"p1\">Participation and coordination of R&amp;D projects and of interlaboratorial comparisons;<\/li>\n<li class=\"p1\">To support the legal metrology.<\/li>\n<\/ul>\n<p>Get to know the ongoing projects here.<\/p>\n<\/div><div class=\"accordian fusion-accordian toggle-control toggle-title-control\" style=\"--awb-border-size:1px;--awb-icon-size:13px;--awb-content-font-size:var(--awb-typography4-font-size);--awb-icon-alignment:right;--awb-hover-color:#f9f9f9;--awb-border-color:#cccccc;--awb-background-color:#ffffff;--awb-divider-color:var(--awb-color3);--awb-divider-hover-color:var(--awb-color3);--awb-icon-color:#ffffff;--awb-title-color:var(--awb-color8);--awb-content-color:var(--awb-color8);--awb-icon-box-color:#f24949;--awb-toggle-hover-accent-color:#f24949;--awb-title-font-family:var(--awb-typography1-font-family);--awb-title-font-weight:var(--awb-typography1-font-weight);--awb-title-font-style:var(--awb-typography1-font-style);--awb-title-font-size:16px;--awb-title-letter-spacing:1px;--awb-title-line-height:1.5;--awb-content-font-family:var(--awb-typography4-font-family);--awb-content-font-weight:var(--awb-typography4-font-weight);--awb-content-font-style:var(--awb-typography4-font-style);\"><div class=\"panel-group fusion-toggle-icon-right fusion-toggle-icon-boxed\" id=\"accordion-8570-1\"><div class=\"fusion-panel panel-default panel-0600ca7018a77acc4 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_0600ca7018a77acc4\"><a aria-expanded=\"false\" aria-controls=\"0600ca7018a77acc4\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8570-1\" data-target=\"#0600ca7018a77acc4\" href=\"#0600ca7018a77acc4\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">AREAS OF EXPERTISE<\/span><\/a><\/h4><\/div><div id=\"0600ca7018a77acc4\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_0600ca7018a77acc4\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p class=\"p1\" style=\"padding-left: 40px;\"><span class=\"s1\">The areas of expertise of the Reference Gases Laboratory, for which it has international recognition, are:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li class=\"p1\"><span class=\"s1\">Preparation and certification of primary gas mixture standards (PSM) in the measurement ranges of 10<\/span><span class=\"s2\"><sup>-6\u00a0<\/sup><\/span><span class=\"s1\">mol \/ mol and 10<\/span><span class=\"s2\"><sup>-2<\/sup><\/span><span class=\"s1\"> mol \/ mol according to ISO 6142-1 and ISO 6143.<\/span><\/li>\n<li class=\"p1\">Preparation and certification of primary reference mixtures (PRM) in the measurement ranges of 10<span class=\"s2\"><sup>-6<\/sup><\/span><span class=\"s1\">\u00a0mol \/ mol and 10<\/span><span class=\"s2\"><sup>-2<\/sup><\/span><span class=\"s1\"> mol \/ mol according to ISO 6142-1 and ISO 6143.<\/span><\/li>\n<li class=\"p1\">Preparation and certification of certified reference mixtures (CRM) in the measurement ranges of 10<span class=\"s4\"><sup>-6<\/sup><\/span><span class=\"s3\">\u00a0mol \/ mol and 10<\/span><span class=\"s4\"><sup>-2<\/sup><\/span><span class=\"s3\">\u00a0mol \/ mol according to ISO 6143 and ISO 17034.\u00a0<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-cf2bb532a158a86b3 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_cf2bb532a158a86b3\"><a aria-expanded=\"false\" aria-controls=\"cf2bb532a158a86b3\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8570-1\" data-target=\"#cf2bb532a158a86b3\" href=\"#cf2bb532a158a86b3\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">TRACEABILITY<\/span><\/a><\/h4><\/div><div id=\"cf2bb532a158a86b3\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_cf2bb532a158a86b3\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p class=\"p1\" style=\"padding-left: 40px;\"><span class=\"s1\">The mole, symbol\u00a0<b><i>mol<\/i><\/b>, is the SI unit of amount of substance.\u00a0<\/span><\/p>\n<p class=\"p1\" style=\"padding-left: 40px;\"><span class=\"s1\">One mole contains exactly 6.022 140 76 x 10<\/span><span class=\"s2\"><sup>23<\/sup><\/span><span class=\"s1\">\u00a0elementary entities. This number is the fixed numerical value of the Avogadro constant,\u00a0<b><i>N<\/i><\/b><\/span><span class=\"s2\"><b><i><sub>A<\/sub><\/i><\/b><\/span><span class=\"s1\">, when expressed in the unit mol<\/span><span class=\"s2\"><sup>\u20131<\/sup><\/span><span class=\"s1\">\u00a0and is called the\u00a0\u201cAvogadro number\u201d.\u00a0<\/span><\/p>\n<p class=\"p1\" style=\"padding-left: 40px;\"><span class=\"s1\">The amount of substance, symbol\u00a0<b><i>n<\/i><\/b>, of a system is a measure of the number of specified elementary entities. An elementary entity may be an atom, a molecule, an ion, an electron, any other particle or specified group of particles.<\/span><\/p>\n<p class=\"p1\" style=\"padding-left: 40px;\"><span class=\"s1\">The measurements traceability is done to national and international standards, guaranteed\u00a0through the use of\u00a0traceable equipment to the SI units and by the adoption of preparation and certification of gas mixtures methods in agreement with the applicable international standards.\u00a0<\/span><\/p>\n<p class=\"p3\" style=\"padding-left: 40px;\"><span class=\"s3\">The accuracy of the measurements made is proven through the participation in projects and in international comparisons, and it is demonstrated by the acceptance and inclusion in the Capacities of Measurement and Calibration (CMC) BIPM database and also with the international equivalence of measurements through the Mutual Recognition Arrangement (CIPM-MRA), for IPQ gas mixtures.<\/span><\/p>\n<p class=\"p3\" style=\"padding-left: 40px;\"><strong>External document:<\/strong><\/p>\n<p style=\"padding-left: 40px;\"><em><a href=\"https:\/\/www.bipm.org\/cc\/CCQM\/Allowed\/22\/CCQM16-04_Mole_m_en_p_draft_2018.pdf\"><span class=\"TextRun SCXW256828604 BCX9\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW256828604 BCX9\">Mise <\/span><\/span><span class=\"TextRun SCXW256828604 BCX9\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW256828604 BCX9\">en<\/span><\/span> <span class=\"TextRun SCXW256828604 BCX9\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW256828604 BCX9\">pratique<\/span><\/span><span class=\"TextRun SCXW256828604 BCX9\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW256828604 BCX9\"> for the definition of the <\/span><\/span><span class=\"TextRun SCXW256828604 BCX9\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW256828604 BCX9\">mole<\/span><\/span><span class=\"TextRun SCXW256828604 BCX9\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW256828604 BCX9\"> in the SI<\/span><\/span><\/a><\/em><\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-218b834382a4321e4 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_218b834382a4321e4\"><a aria-expanded=\"false\" aria-controls=\"218b834382a4321e4\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8570-1\" data-target=\"#218b834382a4321e4\" href=\"#218b834382a4321e4\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">AVAILABLE SERVICES<\/span><\/a><\/h4><\/div><div id=\"218b834382a4321e4\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_218b834382a4321e4\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p class=\"p1\" style=\"padding-left: 40px;\"><span class=\"s1\">Get to know <a href=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/LGR_Services_EN.pdf\">here<\/a>\u00a0 avalable services at the Reference Gas Laboratory.<\/span><\/p>\n<p class=\"p1\" style=\"padding-left: 40px;\"><span class=\"s1\"><b>International Recognition\u00a0<\/b>\u00a0<\/span><\/p>\n<p class=\"p2\" style=\"padding-left: 40px;\"><span class=\"s2\">The calibration services listed are covered by the <a href=\"https:\/\/www.bipm.org\/kcdb\/cmc\/search?domain=CHEM-BIO&amp;areaId=8&amp;keywords=Portugal&amp;specificPart.category=10&amp;specificPart.analyte=&amp;_countries=1&amp;publicDateFrom=&amp;publicDateTo=&amp;unit=&amp;minValue=&amp;maxValue=&amp;minUncertainty=&amp;maxUncertainty=\">Measurement and Calibration Capabilities<\/a> recorded in the BIPM database.\u00a0<\/span><\/p>\n<p style=\"padding-left: 40px;\"><img decoding=\"async\" class=\"lazyload alignleft wp-image-4727 size-fusion-200\" src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/logo-CIPM-MRA-1-200x98.jpg\" data-orig-src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/logo-CIPM-MRA-1-200x98.jpg\" alt=\"\" width=\"200\" height=\"98\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%2798%27%20viewBox%3D%270%200%20200%2098%27%3E%3Crect%20width%3D%27200%27%20height%3D%2798%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-CIPM-MRA-1-200x98.jpg 200w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-CIPM-MRA-1-300x147.jpg 300w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-CIPM-MRA-1.jpg 391w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 200px) 100vw, 200px\" \/> <img decoding=\"async\" class=\"lazyload wp-image-4729 size-fusion-200 alignleft\" src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/logo-KBCD-200x51.jpg\" data-orig-src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/logo-KBCD-200x51.jpg\" alt=\"\" width=\"200\" height=\"51\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%2751%27%20viewBox%3D%270%200%20200%2051%27%3E%3Crect%20width%3D%27200%27%20height%3D%2751%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-KBCD-200x51.jpg 200w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-KBCD-300x76.jpg 300w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-KBCD-400x102.jpg 400w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-KBCD-600x153.jpg 600w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/logo-KBCD.jpg 612w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-758ba70bedf2e7e2e fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_758ba70bedf2e7e2e\"><a aria-expanded=\"false\" aria-controls=\"758ba70bedf2e7e2e\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8570-1\" data-target=\"#758ba70bedf2e7e2e\" href=\"#758ba70bedf2e7e2e\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">CONTACTS<\/span><\/a><\/h4><\/div><div id=\"758ba70bedf2e7e2e\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_758ba70bedf2e7e2e\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p style=\"padding-left: 40px;\"><strong>Alda Botas<\/strong><\/p>\n<p style=\"padding-left: 40px;\">Tel +351 212 948\u00a0100 Ext. 8385<\/p>\n<p style=\"padding-left: 40px;\">E-mail: <a href=\"mailto:abotas@ipq.pt\">abotas@ipq.pt<\/a><\/p>\n<p style=\"padding-left: 40px;\"><strong>Carlos Costa<\/strong><\/p>\n<p style=\"padding-left: 40px;\">Tel +351 212 948\u00a0193<\/p>\n<p style=\"padding-left: 40px;\">E-mail: <a href=\"mailto:ccosta@ipq.pt\">ccosta@ipq.pt<\/a><\/p>\n<p style=\"padding-left: 40px;\"><strong>Florbela Dias<\/strong><\/p>\n<p style=\"padding-left: 40px;\">Tel +351 212 948\u00a0175<\/p>\n<p style=\"padding-left: 40px;\">E-mail: <a href=\"mailto:florbelad@ipq.pt\">florbelad@ipq.pt<\/a><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-image-carousel fusion-image-carousel-auto fusion-image-carousel-1 fusion-carousel-border\" style=\"margin-top:30px;\"><div class=\"awb-carousel awb-swiper awb-swiper-carousel\" data-autoplay=\"yes\" data-columns=\"1\" data-itemmargin=\"13\" data-itemwidth=\"180\" data-touchscroll=\"no\" data-imagesize=\"auto\" style=\"--awb-columns:1;\"><div class=\"swiper-wrapper awb-image-carousel-wrapper fusion-flex-align-items-center\"><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/DMET-LGR-01-1.jpg\" class=\"attachment-full size-full lazyload\" alt=\"\" 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class=\"fusion-image-wrapper hover-type-none\"><img decoding=\"async\" width=\"346\" height=\"480\" src=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/DMET-LGR-36-1.jpg\" class=\"attachment-full size-full lazyload\" alt=\"\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27346%27%20height%3D%27480%27%20viewBox%3D%270%200%20346%20480%27%3E%3Crect%20width%3D%27346%27%20height%3D%27480%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/DMET-LGR-36-1.jpg\" data-srcset=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/DMET-LGR-36-1-200x277.jpg 200w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/DMET-LGR-36-1-216x300.jpg 216w, https:\/\/ipqqa.westeurope.cloudapp.azure.com\/wp-content\/uploads\/DMET-LGR-36-1.jpg 346w\" data-sizes=\"auto\" \/><\/div><\/div><\/div><\/div><div class=\"awb-swiper-button awb-swiper-button-prev\"><i class=\"awb-icon-angle-left\" aria-hidden=\"true\"><\/i><\/div><div class=\"awb-swiper-button awb-swiper-button-next\"><i class=\"awb-icon-angle-right\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":58,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"class_list":["post-8570","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Reference gas - IPQ<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reference gas - IPQ\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ipqqa.westeurope.cloudapp.azure.com\/en\/reference-gas\/\" \/>\n<meta property=\"og:site_name\" content=\"IPQ\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-13T14:45:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/logo-CIPM-MRA-1-200x98.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" 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