共找到 150 条与 气相色谱用对照品 丙酮 相关的标准,共 10

Chemical reagents Gas chromatography reference substance acetone

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

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

Reagents. Acetone. Determination of acetone content. Gas chromatoyraohic method

Chemical reagents Gas chromatography reference substance Chlorobenzene

Chemical reagents Gas chromatography reference substance Toluene

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

本标准规定了呼出气中丙酮浓度的气相色谱测定方法。 本标准适用于接触丙酮的工人呼出气中丙酮浓度的测定

Exhaled air.Determnation of acetone.Gas chromatographic method

本标准规定了测定尿中丙酮的顶空-气相色谱法。 本标准适用于职业接触人员尿中丙酮的测定

Determination of acetone in urine headspace-gas chromatography

Chemical reagents Gas chromatography reference substance n-octane

Chemical reagents Reference substance for gas chromatography n-heptane

Chemical reagents Gas chromatography reference substance n-butanol

1含量(C6H12),w/% ≥ 99.90 2密度范围(20℃),ρ/(g/mL) 0.778~0.779 3结晶点,t/℃ ≥ 6.0 4蒸发残渣,w/% ≤ 0.002 5苯(C6H6),w/% 

Chemical reagent — Reference material for gas chromatography — Cyclohexane

Chemical reagents Gas chromatography reference substance n-hexane

This International Standard specifies a gas chromatographic method for the determination of acetone, acetonitrile, propan- 2-01 and methanol

Ethylene and propylene for industrial use - Determination of acetone, acetonitrile, propan-2-ol and methanol - Gas chromatographic method




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