Browse Standards

工业用化工产品中以硫酸根表示的痕量硫化合物测定的通用方法 还原和滴定法

Chemical products for industrial use-General method for determination of traces of sulphur compounds, as sulphate, by reduction and titrimetry

锅炉用水和冷却水分析方法 全铝的测定

Analysis of water used in boiler and cooling system - Determination of total aluminium

表面活性剂 中、高粘度乳液的特性测试及其乳化能力的评价方法

Surface active agents - The identification of emulsion for moderate to high viscosity and the evaluation method of emulsifying capability

锅炉用水和冷却水分析方法　硬度的测定

Analysis of water used in boiler and cooling system - Determination of hardness

锅炉用水和冷却水分析方法　电导率的测定

Analysis of water used in boil and cooling system-Determination of electrical conductivity

工业循环冷却水及锅炉用水中pH的测定

Water used in industrial circulating cooling system and boiler - Determination of pH

工业用氯代甲烷类产品纯度的测定 气相色谱法

Chlorinated methanes for industrial use - Determination of purity - Gas chromatography

无机化工产品中镁含量测定的通用方法 络合滴定法

Inorganic chemical products for industrial use - General method for determination of magnesium content by complexation titration

水处理剂阻垢性能的测定 碳酸钙沉积法

Determination of scale inhibition performance of water treatment agents - Calcium carbonate precipitation method

工业循环冷却水和锅炉用水中氯离子的测定

Water for industrial circulating cooling system and boiler - Determination of chloride

锅炉用水和冷却水分析方法 苯骈三氮唑的测定

Analysis of water used in boiler and cooling system - Determination of benzotriazole

锅炉用水和冷却水分析方法 锌离子的测定 锌试剂分光光度法

Analysis of water used in boiler and cooling system - Determination of zinc - Zincon spectrophotometry

表面活性剂 纺织助剂 洗涤力的测定

Surface active agents - Textile auxiliaries - Determination of detergency

表面活性剂 乳化力的测定 比色法

Surface active agents - Determination of emulsifying power - Colorimetric method

过氧乙酸溶液

Peracetic acid solution

工业氯化铁

Ferric chloride for industrial use

工业沉淀硫酸钡

Barium sulphate precipitated for industrial use

有机化工产品中重金属的测定 目视比色法

Determination of heavy metals in organic chemical products - Visual colorimetry

工业用氟代烷烃中微量水分的测定

Determination of micro-amounts of water in industrial Fluorinated alkane

钢铁材料缺陷电子束显微分析方法通则

Guide for electron beam microananlysis of defect in steel materials