共找到 150 条与 气相色谱用对照品 甲醇 相关的标准,共 10

1含量(CH3OH), 2密度(20℃), 3与水混合试验 合格 4蒸发残渣, 5水分(H2O), 6酸度(以 H+计), 7碱度(以 OH-计), 8易炭化物质 合格 9羰基化合物(以 CO 计), 10还原高锰酸钾物质

Chemical reagent — Reference material for gas chromatography — Methanol

Chemical reagents Gas chromatography reference substance n-butanol

1含量(C3H8O),w /% ≥ 99.90 2密度(20℃),ρ/(g/mL) 0.784~0.786 3蒸发残渣,w /% ≤ 0.001 4与水混合试验 合格 5酸度(以 H+计),b

Chemical reagent — Reference material for gas chromatography — Isopropanol

Chemical reagents Gas chromatography reference substance Toluene

1含量(C2H5OH),w/% ≥ 99.9 2密度(20℃),ρ/(g/mL) 0.789~0.791 3与水混合试验 合格 4蒸发残渣,ω/% ≤ 0.0005 5酸度(以 H+计),b/(mmol/g) 

Chemical reagent — Reference material for gas chromatography — Ethanol

Chemical reagents Gas chromatography reference substance chloroform

1含量(CH2Cl2),w/% ≥ 99.90 2色度/黑曾单位 ≤ 10 3密度(20℃),ρ/(g/mL) 1.320~1.330 4蒸发残渣,w/% ≤ 0.002 5酸度(以 H+计),b/(mmol/g

Chemical reagent — Reference material for gas chromatography — Dichloromethane

Food products.Method for determining methyl alcohol by gas chromatography

Schválení ST SEV 2104-80 doporu?ilo federální ministerstvo paliv a energetiky. Zpracovatel a oborové normaliza?ní st?edisko: ?stav pro v?zkum a vyu

Natural gas. Determination of methanol by gas chromatography

含量(C4H8O),w/% 色度/黑曾单位 密度(20℃),ρ/(g/ml) 折光率() 与水混合试验 蒸发残渣,w/% 水分(H2O),w/% 酸度(以H+计),b/(mmol/g) 还原高锰酸钾物质(以O计),w/% 易炭化物质 丙酮(CH3COCH3),w/% 甲醇

Chemical reagent — Reference material for gas chromatography — 2-Butanone

Reagents. Methanol. Determination of methanol content. Gaschromatographic method

Methanol for technical purposes. Determination of ethanol content by gaschromatographic method

Chemical reagents Gas chromatography reference substance Chlorobenzene

Chemical reagents Gas chromatography reference substance acetone

Methanol poison, technical. Gas chromatographic method of ethyl alcohol determination




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