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有机化学

搜索结果: 40 个产品, 第 1 页, 共 2 页
标准编号 标准名称 状态 发布日期
ISO 3839:1996/Amd 1:2020 EN ISO 3839:1996/Amd 1:2020 EN 现行 2020-03-25
ISO 1995:1981 EN Aromatic hydrocarbons — Sampling 现行 暂无
ISO 2096:1972 EN Glycerols for industrial use — Methods of sampling 现行 暂无
ISO 2209:1973 EN Liquid halogenated hydrocarbons for industrial use — Sampling 现行 暂无
ISO 2227:1972 EN Formaldehyde solutions for industrial use — Determination of formaldehyde content 现行 暂无
ISO 3363:1976 EN Fluorochlorinated hydrocarbons for industrial use — Determination of acidity — Titrimetric method 现行 暂无
ISO 3427:1976 EN Gaseous halogenated hydrocarbons (liquefied gases) — Taking of a sample 现行 暂无
ISO 3839:1996 EN Petroleum products — Determination of bromine number of distillates and aliphatic olefins — Electrometric method 现行 暂无
ISO 5272:1979 EN Toluene for industrial use — Specifications 现行 暂无
ISO 5275:2003 EN Petroleum products and hydrocarbon solvents - Detection of thiols and other sulfur species — Doctor test 现行 暂无
ISO 5280:1979 EN Xylene for industrial use — Specification 现行 暂无
ISO 5282:1982 EN Aromatic hydrocarbons — Determination of sulphur content — Pitt-Ruprecht reduction and spectrophotometric method 现行 暂无
ISO 5789:1979 EN Fluorinated hydrocarbons for industrial use — Determination of non-volatile residue 现行 暂无
ISO 6796:1981 EN Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method 现行 暂无
ISO 7059:1982 EN Caprolactam for industrial use — Determination of absorbance at a wavelength of 290 nm 现行 暂无
ISO 7382:1986 EN Ethylene for industrial use — Sampling in the liquid and the gaseous phase 现行 暂无
ISO 8112:1984 EN Caprolactam for industrial use — Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units (platinum-cobalt scale) — Spectrometric method 现行 暂无
ISO 8174:1986 EN Ethylene and propylene for industrial use — Determination of acetone, acetonitrile, propan-2-ol and methanol — Gas chromatographic method 现行 暂无
ISO 8563:1987 EN Propylene and butadiene for industrial use — Sampling in the liquid phase 现行 暂无
ISO 8660:2002 EN Plastics — Determination of permanganate absorption number of caprolactam — Spectrometric method 现行 暂无
ISO 8661:1988 EN Caprolactam for industrial use — Determination of volatile bases content — Titrimetric method after distillation 现行 暂无
ISO 16861:2015 EN Petroleum products - Fuels (class F) - Specifications of dimethyl ether (DME) 现行 暂无
ISO 17196:2014 EN Dimethyl ether (DME) for fuels - Determination of impurities - Gas chromatographic method 现行 暂无
ISO 17197:2014 EN Dimethyl ether (DME) for fuels - Determination of water content - Karl Fischer titration method 现行 暂无
ISO 17198:2014 EN Dimethyl ether (DME) for fuels - Determination of total sulfur, ultraviolet fluorescence method 现行 暂无
ISO 17786:2015 EN Dimethyl ether (DME) for fuels - Determination of high temperature (105°C) evaporation residues - Mass analysis method 现行 暂无
ISO 756-1:1981 EN Propan-2-ol for industrial use — Methods of testPart 1:General 现行 暂无
ISO 1385-1:1977 EN Phthalate esters for industrial use — Methods of testPart 1:General 现行 暂无
ISO 1388-1:1981 EN Ethanol for industrial use — Methods of testPart 1:General 现行 暂无
ISO 1388-2:1981 EN Ethanol for industrial use — Methods of testPart 2:Detection of alkalinity or determination of acidity to phenolphthalein 现行 暂无
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