Browse Standards

气体分析 气体中微量水分的测定 第3部分：光腔衰荡光谱法

Gas analysis—Determination of moisture in gases—Part 3:The method of cavity ring-down spectroscopy

蜡烛及配件 安全技术要求

Candles and accessories—Safety technical requirements

阳离子染料 染腈纶时配伍指数的测定

Cationic dyes—Determination of compatible index in acrylic dyeing

气体分析 动态法制备校准用混合气体 第7部分：热式质量流量控制器

Gas analysis—Preparation of calibration gas mixtures using dynamic methods—Part 7:Thermal mass-flow controllers

荧光增白剂 紫外吸收和荧光强度的测定

Fluorescent whitening agents—Determination of UV-absorption and fluoristrength

分散染料 相对强度的测定 分光光度法

Disperse dyestuffs—Determination of relative strength—Spectrophotometer method

染料 大颗粒的测定 单层滤布过滤法

Dyestuffs—Determination of large particles—Filter method of single layer filter cloth

水溶性染料溶解度和溶液稳定性的测定

Determination of application solubility and solution stability of water-soluble dyes

化妆品中苔黑醛和氯化苔黑醛的测定 液相色谱-串联质谱法

Determination of atranol and chloroatranol in cosmetics—Liquid chromatography-tandem mass sepcetrometry

电子气体 惰性稀有气体

Electronic gas—Noble gas

电子气体中酸度的测定 第1部分：傅里叶变换红外光谱法

Determination of acidity in electronic gas—Part 1: Fourier transform infrared spectroscopy

工业用甲醇

Methanol for industrial use

纯氦、高纯氦和超纯氦

Pure helium，hing purity helium and ultra purity helium

甲烷

Methane

甲醇纯度及其微量有机杂质的测定 气相色谱法

Determination of purity and trace organic impurities of methanol—Gas chromatography

洗涤剂中乙二胺四乙酸（EDTA）、氮川三乙酸（NTA）和二乙烯三胺五乙酸（DTPA）的测定 高效液相色谱法

Determination of ethylenediamine tetraacetic acid, nitrilotriacetic acid and diethylenetriamine pentaacetic acid in detergent—High performance liquid chromatography

工业用六亚甲基四胺

Hexamethylenetetramine for industrial use

气体分析 氦离子化气相色谱法

Gas analysis—Gas chromatograph with helium ionization detector

医用及航空呼吸用氧

Oxygen supplies for medicine and aircraft breathing

氢气 第2部分：纯氢、高纯氢和超纯氢

Hydrogen—Part 2:Pure hydrogen, high purity hydrogen and ultra purity hydrogen