Browse Standards

工业循环冷却水和锅炉用水中硫酸盐的测定

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

工业循环冷却水及水垢中铜、锌的测定　原子吸收光谱法

Industrial circulating cooling water and scale-Determination of copper，zinc-Atomic absorption spectrometric method

工业循环冷却水中钙、镁含量的测定　原子吸收光谱法

Industrial circulating cooling water - Determination of calcium, magnesium - Atomic absorption spectrometric method

工业循环冷却水和锅炉用水中溶解氧的测定

Water for industrial circulating cooling system and boiler -Determination of dissolved oxygen

表面活性剂 含水量的测定

Surface active agents - Determination of water content

化纤用氢氧化钠　氯化钠含量的测定 分光光度法

Sodium hydroxide for chemical fiber use - Determination of sodium chloride content - Spectrometric method

化纤用氢氧化钠　氢氧化钠含量的测定

Sodium hydroxide for chemical fiber use - Determination of sodium hydroxide content

表面活性剂 防水剂 防水力测定法

Surface active agents - Determination of water repellency of waterprooting agents

无机化工产品中汞含量测定的通用方法 无火焰原子吸收光谱法

Inorganic chemical for industrial use - General method for mercury content-Flameless atomic absorption spectrometric method

无机化工产品中氟含量测定的通用方法 离子选择性电极法

Inorganic chemical for industrial use - General method for determination of fluorine content-Ion selective electrode method

表面活性剂 油包水乳液贮藏稳定性的测定

Surface active agents - Determination of storage stability of water-in-oil emulsion

工业循环冷却水和锅炉用水中固体物质的测定

Water for industrial circulating cooling system and boiler - Determination of solids matter

工业循环冷却水和锅炉用水中铜的测定

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

工业用乙酸酯类试验方法

Test method of acetates for industrial use

锅炉用水和冷却水中油含量的测定

Water for boiler and cooling system-Determination of mineral oil

工业循环冷却水和锅炉用水中硅的测定

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

液相色谱法术语 柱色谱法和平面色谱法

Terms of liquid chromatography - Column chromatography and planar chromatography

化学试剂 电位滴定法通则

Chemical reagent - General rule for potentiometric titration

化学试剂 还原高锰酸钾物质测定通则

Chemical reagent - General rule for the determination of permanganate-reducing substances

化学试剂 比旋光本领(比旋光度)测定通用方法

Chemical reagent - General method for the determination of specific optical rotatory power（specific optical rotation）