共找到 150 条与 气相色谱用对照品 正庚烷 相关的标准，共 10 页
Chemical reagents Reference substance for gas chromatography n-heptane
Chemical reagents Gas chromatography reference substance n-octane
Chemical reagents Gas chromatography reference substance n-hexane
本标准规定了化学试剂 高效液相色谱用试剂 正庚烷的性状、规格、试验、检验规则和包装及标志。 本标准适用于化学试剂 高效液相色谱用试剂 正庚烷的检验
Chemical reagent— n-Heptane for high performance liquid chromatography
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
本篇规定了作业场所空气中正庚烷浓度的直接进样-气相色谱测定方法。 本篇适用于作业场所空气中正庚烷浓度的测定
Workplace air.Determination of n-heptane.Gas chromatographic method
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
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
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
AIR QUALITY. WORKPLACE ATMOSPHERES. DETERMINATION OF ALIPHATIC HYDROCARBONS (N-HEXANE, N-HEPTANE, N-OCTANE, N-NONANE) IN AIR. CHARCOAL TUBE/SOLVENT DESORPTION/GAS CHROMATOGRAPHIC METHOD.
