Browse Standards

化学试剂 标准滴定溶液的制备

Chemical reagent—Preparations of reference titration solutions

工业用乙醇

Ethanol for industrial use

工业硝酸钠

Sodium nitrate for industrial use

氟硅酸回收法无水氟化氢

Anhydrous hydrogen fluoride prepared by recycling fluosilicic acid

高纯工业品三氯氧磷

High purity phosphorus oxychloride of industrial use

高纯工业品三溴化硼

high purity boron tribromide for industrial use

化妆品用原料 D-泛醇

Cosmetic ingredients—D-panthenol

工业亚硝酸钠

Sodium nitrite for industrial use

工业碳酸钾

Potassium carbonate for industrial use

水处理剂 聚合硫酸铁

Water treatment chemicals—Poly ferric sulfate

工业五硫化二磷

Phosphorus pentasulfide for industrial use

黄磷生产技术规范

Production technical regulation for yellow phosphorus

化工产品中砷含量测定的通用方法

General method for determination of arsenic content of chemical products

气体中微量氧的测定 电化学法

Determination of trace oxygen in gases—Electrochemical method

气体分析 微量水分的测定 第2部分：露点法

Gas analysis—Determination of water—Part 2: Dew point method

气体分析 微量水分的测定 第1部分：电解法

Gas analysis—Determination of water—Part 1: Electrolytic method

气体分析 硫化物的测定 硫化学发光气相色谱法

Gas analysis—Determination of sulfide—Gas chromatography with sulfur chemiluminescence

化妆品中维生素B6（吡哆素、盐酸吡哆素、吡哆素脂肪酸酯及吡哆醛 5-磷酸酯）的测定 高效液相色谱法

Determination of vitamin B6 ( pyridoxine, pyridoxine hydrochloride, pyridoxine fatty acid esters and pyridoxal 5-phosphate ) in cosmetics—High performance liquid chromatography

化妆品中游离甲醇的测定 气相色谱法

Determination of free methanol in cosmetics—Gas chromatography

化妆品中镍、锑、碲含量的测定 电感耦合等离子体发射光谱法

Determination of the content of Ni,Sb and Te in cosmetics—Inductively coupled plasma optical emission spectrometry