共找到 150 条与 气相色谱用对照品 正辛烷 相关的标准，共 10 页
Chemical reagents Gas chromatography reference substance n-octane
Chemical reagents Reference substance for gas chromatography n-heptane
Chemical reagents Gas chromatography reference substance n-hexane
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
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
Chemical reagents Gas chromatography reference substance n-butanol
本标准规定了用气相色谱法分析原油中正辛烷及以前烃组分的试剂材料、仪器设备、取样方法、操作步骤、定性定量方法、精密度。 本标准适用于测定原油中正辛烷及以前烃组分的含量,对含水原油指均相乳状液原油
Gas Chromatography for Analysis of n-Octane and Previous Hydrocarbon Components in Crude Oil
本标准规定了用气相色谱法分析原油中正辛烷及以前烃组分的方法、试剂材料、仪器设备、取样方法、操作步骤、定性定量方法、精密度。 本标准适用于测定原油中正辛烷及以前烃组分的含量，对含水原油指均相乳状液原油
Determination of octane and hydrocarbon components before octane in crude petroleum.Gas chromatography
Gas Chromatography for Analysis of n-Octane and Previous Hydrocarbon Components in Crude Oil
Standard method for analysis of high - purity n-Hepane and Isooctane by capillary gas chromatography
Standard method for analysis of high - purity n-Hepane and Isooctane by capillary gas chromatography
1.1 This test method covers and provides for the analysis of high-purity (greater than 99.5 % by volume) n -heptane and isooctane (2,2
Standard method for analysis of high - purity n-Hepane and Isooctane by capillary gas chromatography
3.1 This test method is used for specification analysis of high-purity
Standard Test Method for Analysis of High-Purity
1.1 This test method covers and provides for the analysis of high-purity (greater than 99.5 % by volume) n-heptane and isooctane (2,2
Standard Test Method for Analysis of High-Purity
