共找到 150 条与 正庚烷 相关的标准,共 10 页
本标准适用于高纯度正庚烷。备考:本品可制备为供气相层分析,质谱分析等仪器分析用标准试样,惟此时须加与试样等体积之 CNS 2008〔化学试药(硫酸)〕所规定浓硫酸于试样中充分振动 2 分钟后,静置 30 分钟,然后用肉眼检查硫酸层是否呈色
High Purity Heptance
本文件规定了化学试剂正庚烷的性状、分子式、结构式、相对分子质量和CAS号、规格、试验、检验规则和包装及标志。 本文件适用于化学试剂正庚烷的检验
Chemical reagent—n-Heptane
Zpracovatel: Chemické závody ?eskoslovensko-sovětského p?átelství, n. p., Zálu?í v Kru?n?ch horách - Luděk Laurich Pracovník ??adu pro
Asphaltenes. Precipitation ith normál heptane
Petroleum products — Gum content of fuels — Jet evaporation method — Amendment 1: Purity requirement for n-heptane
Petroleum products - Gum content of fuels - Jet evaporation method
本文件规定了自回收溶剂正庚烷的技术要求、试验方法、检验规则以及标志、包装、运输、贮存和安全等要求
Self-recycled solvent Heptane
Standard n-heptane. Specifications
Equilibrium Phase Properties of Selected Binary Systems: n-Heptane - Hydrogen Sulfide n-Heptane - Carbon Dioxide i-Butane - Nitrogen; Addendum - 1977
이 규격은 노말 헵탄 불용분을 나타내는 아스팔텐분(asphaltene)의 무게를 측정하는
Standard test method for n-heptane insolubles
This test method is useful in quantifying the asphaltene content of petroleum asphalts, gas oils, heavy fuel oils, and crude petroleum.
Standard Test Method for n-Heptane Insolubles
Standard test method for n-heptane insolubles
Standard test method for n-heptane insolubles
Standard test method for n-heptane insolubles
Vapor Phase Data for the Binary Systems of Methane with n-Butane, n-Pentane, n-Hexane, and n-Heptane
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