共找到 150 条与 气相色谱用对照品 甲苯 相关的标准,共 10

Chemical reagents Gas chromatography reference substance Toluene

Chemical reagents Gas chromatography reference substance Chlorobenzene

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

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

Chemical reagents Gas chromatography reference substance chloroform

本文件规定了食品级润滑油中苯、甲苯、氯苯、对二甲苯和邻二甲苯的顶空进样 - 气相色谱 质谱测定方法。 本文件适用于食品级润滑油中含量不低于 0.1 mg/kg 的苯、甲苯、氯苯、对二甲苯和邻二甲苯的 测定

Determination of benzene, toluene, chlorobenzene, p-xylene and o-xylene in food grade lubricants by headspace gas chromatography-mass spectrometry

This method is for determining trace hydrocarbon impurities in high purity p-xylene. The lower limit of detection for any single component

Impurities in, and Purity of, High Purity p-Xylene by GC

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

本标准规定了烟用水基胶中苯、甲苯及二甲苯的测定方法-气相色谱-质谱联用法。 本标准适用于烟用水基胶中苯、甲苯及二甲苯含量的测定

Determination of benzene,toluene and xylene in water-borne adhesives for cigarette-Gas chromatography-mass spectrometry method

Packaging. Gas chromatographic determination of benzene, toluene, ethylbenzene, m-, p- and o-xylene, isopropylbenzene, styrene, alpha-methylstyrene, benzaldehyde in the air..

Chemical reagents Gas chromatography reference substance acetone

Gaseous emission measurement; gas chromatographic determination of benzene@ toluene and xylene

本标准规定了甲基苯丙胺的气相色谱-质谱(GC-MS)定性分析和气相色谱…C〕、高效液相色谱(HPLC)定量分析″本标准适用于毒品案件固体样品中甲基苯丙胺的定性定量检验鉴定

GC,HPLC and GC-MS examination methods for methylamphetamine in suspected drug

Chemical reagents Gas chromatography reference substance n-octane

Chemical reagents Reference substance for gas chromatography n-heptane




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