共找到 150 条与 光谱级甲醇 相关的标准，共 10 页
本标准规定了化学试剂光谱级甲醇的性状、分子式、相对分子质量和CAS号、规格、试验、检验规则和包装及标志。 本标准适用于化学试剂光谱级甲醇的检验
Chemical reagent — Spectrum grade Methanol
本文件规定了甲醇制烯烃（MTO）级甲醇（以下简称：MTO级甲醇）的要求、取样、试验方法、检验规则、标志、包装、运输和贮存等。 本文件适用于以煤、天然气等原料合成的甲醇，主要用作甲醇制烯烃（MTO）的原料。 分子式：CH4O 相对分子质量：32.042（按2022年国际相对原子质量
Methanol to Olefins (MTO) Grade Methanol
本标准规定了气相色谱法和红外光谱法测定醇基燃料中甲醇含量的原理、试剂、仪器、取样、分析步骤、数据处理和精密度。本标准适用醇基燃料中甲醇含量的测定
Determination of Methanol Content in Alcohol-Based Fuels - Gas Chromatography - Infrared Spectroscopy
Gasolines. Determination of MTBE, ETBE, TAME, DIPE, methanol, ethanol and tert-butanol by method of infra-red spectroscopy
METHANOL, TECHNICAL
1.1 本方法适用于通过红外光谱法测定汽油中的甲基叔丁基醚（MTBE）、乙基叔丁基醚（ETBE）、叔戊基甲基醚（TAME）、二异丙基醚（DIPE）、甲醇、乙醇和叔丁醇。该方法可用于测定甲醇的质量分数为 0.1% 至 6%；乙醇为 0.1% 至 11%；叔丁醇为 0.1% 至 14%；DIPE
Gasolines. Determination of MTBE, ETBE, TAME, DIPE, methanol, ethanol and tret-butanol by method of infra-red spectroscopy
本欧洲标准规定了乙醇的气相色谱测定方法，其中高级醇（丙-1-醇、丁-1-醇、丁-2-醇、2-甲基丙-1-醇（异丁醇）、2-甲基丁-1-醇和3-甲基丁-1-醇）的含量在0.1%至2.5%（质量分数）之间，甲醇的含量在0.1%至3%（质量分数）之间，以及其他杂质在0.1%至2%（质量分数）之间的测定
Ethanol as a blending component for petrol - Determination of higher alcohols, methanol and other impurities - Gas chromatographic method
ADOPTED_FROM:EN 15721:2013 This European Standard specifies a gas chromatographic method for ethanol, in which higher alcohols (propan-1-ol
Ethanol as a blending component for petrol — Determination of higher alcohols, methanol and other impurities — Gas chromatographic method
La presente norma è la versione ufficiale in lingua inglese della norma europea EN 15721 (edizione agosto 2013). La norma specifica un metodo
Ethanol as a blending component for petrol - Determination of higher alcohols, methanol and other impurities - Gaschromatographic method
Ethanol as a blending component for petrol - Determination of higher alcohols, methanol and other impurities - Gas chromatographic method
This European Standard specifies a gas chromatographic method for ethanol, in which higher alcohols (propan-1-ol, butan-1-ol, butan-2-ol
Ethanol as a blending component for petrol - Determination of higher alcohols, methanol and other impurities - Gas chromatographic method
Reagents. Methanol. Determination of methanol content. Gaschromatographic method
ADOPTED_FROM:EN 15721:2009 This standard specifies a gas chromatographic method for ethanol, in which higher alcohols (propan-1-ol, butan-1-ol
Ethanol as a blending component for petrol — Determination of higher alcohols, methanol and volatile impurities — Gas chromatographic method
This European Standard specifies a gas chromatographic method for ethanol, in which higher alcohols (propan-1-ol, butan-1-ol, butan-2-ol
Ethanol as a blending component for petrol. Determination of higher alcohols, methanol and other impurities. Gas chromatographic method
Ethanol as a blending component for petrol - Determination of higher alcohols, methanol and volatile impurities - Gas chromatographic method
