共找到 150 条与 气相色谱用对照品 甲醇 相关的标准,共 10 页
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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