Найдено: 30
Overview ISO 6975:1997 - Natural gas - Extended analysis - Gas‑chromatographic method specifies a gas‑chromatography (GC) based procedure for a complete, extended compositional analysis of natural ga…
Overview ISO 6974-2:2012, "Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations", defines the procedure to calculate the meas…
Overview - ISO 6974-5:2014 (Natural gas, isothermal GC method) ISO 6974-5:2014 specifies an isothermal gas chromatographic (GC) method for the quantitative determination of nitrogen (N2), carbon diox…
Overview ISO/TR 29922:2017 is a technical report that provides supporting information for the calculation of physical properties of natural gas as specified in ISO 6976:2016. Rather than adding new n…
Overview ISO 6971:2002 specifies the characteristics, dimensions and testing requirements for cranked-link drag chains of welded construction, together with their attachments and sprockets, for conve…
Overview ISO 6976:2016 - Natural gas: Calculation of calorific values, density, relative density and Wobbe indices from composition specifies internationally accepted methods to calculate key quality…
Overview ISO 6978-2:2003 - Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy specifies a validated sampling method for measuring total mercur…
Overview ISO 6974-1:2012 - Natural gas: Determination of composition and associated uncertainty by gas chromatography - Part 1 provides general guidelines and data‑processing procedures for convertin…
Overview - ISO 6978-1:2003 (Natural gas - Determination of mercury) ISO 6978-1:2003 specifies a high-pressure sampling method for total mercury in natural gas by chemisorption on iodine-impregnated s…
Overview ISO 6974-6:2002 specifies a laboratory gas chromatographic method for the quantitative determination of helium, hydrogen, oxygen, nitrogen, carbon dioxide and C1–C8 hydrocarbons in natural g…
Overview ISO 6974-3:2018 - "Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias" defines the expected precision and gives guidance…
Overview ISO 697:1981 specifies a standardized laboratory method for determining the apparent density (bulk density) of washing powders and similar powdered surfactants by measuring the mass that fil…
Overview ISO 6972:2002 defines the requirements for cranked‑link mill chains of welded construction, their associated attachments and sprockets for conveying bulk materials. The standard specifies ch…
Overview ISO 6974-4:2000 specifies a gas‑chromatographic method for determining the composition of natural gas with defined uncertainty, suitable for both laboratory and on‑line measuring systems. Th…
1 Scope This part of ISO 6974 describes the process required to determine the uncertainty associated with the mole fraction for each component from a natural gas analysis in accordance with ISO 6974-…
What is ISO 6978-2 - Determination of total mercury content of pipeline quality natural gas about? ISO 6978-2 specifies a method for the determination of total mercury content of pipeline quality nat…
What is ISO 6975 - Extended analysis of components of natural gas using the Gas chromatographic method about? ISO 6975 describes the specifications for the quantitative analysis of the following comp…
1 Scope This International Standard specifies the characteristics of cranked-link 1) drag chains of welded construction suitable for conveying bulk materials, together with associated attachments and…
1 Scope This part of this International Standard describes a gas chromatographic method for the quantitative determination of the content of nitrogen, carbon dioxide and C 1 to C 5 hydrocarbons indiv…
1 Scope This International Standard specifies the characteristics of cranked-link 1) mill chains of welded construction suitable for conveying bulk materials, together with associated attachments and…