Browse Standards

化学试剂 分子吸收分光光度法通则(紫外和可见光部分)

Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible)

食品添加剂 丁酸乙酯

Food additive - Ethyl butyrate

食品添加剂 天然薄荷脑

Food additive - Natural menthol

食品添加剂 乙酸异戊酯

Food additive - Isoamyl acetate

食品添加剂 乳酸乙酯

Food additive - Ethyl lactate

食品添加剂 乳化香精

Food additive - Emulsion flavoring

工业氯酸钾

Potassium chlorate for industrial use

高纯氢氧化钠

High - purity sodium hydroxide

表面活性剂 游离碱度或游离酸度的测定 滴定法

Surface active agents - Determination of free alkalinity or free acidity - Titrimetric method

工业用氢氧化钠 氯酸钠含量的测定 邻-联甲苯胺分光光度法

Sodium hydroxide for industrial use - Determination of sodium chlorate content - O-Tolidine spectrometric method

烟花爆竹 烟火药中硝酸盐含量的测定

Fireworks and firecrackers - Determination of nitrates content in pyrotechnic composition

烟花爆竹 烟火药中铁含量的测定

Fireworks and firecrackers - Determination of ferrum content in pyrotechnic composition

烟花爆竹 烟火药中铋含量的测定

Fireworks and firecrackers - Determination of bismuth content in pyrotechnic composition

烟花爆竹 烟火药中铝含量的测定

Fireworks and firecrackers - Determination of aluminum content in pyrotechnic composition

烟花爆竹 烟火药中高氯酸盐含量的测定

Fireworks and firecrackers - Determination of perchlorates content in pyrotechnic composition

烟花爆竹 储存运输安全性能检验规范

Fireworks and firecrackers - Specification for storage and transportation safety inspection

化学试剂 甲醇

Chemical reagent - Methanol

化学试剂 六水合氯化镁(氯化镁)

Chemical reagent - Magnesium chloride hexahydrate

化学试剂 氯化铵

Chemical reagent - Ammonium chloride

化学试剂 五水合硫代硫酸钠(硫代硫酸钠)

Chemical reagent - Sodium thiosulfate pentahydrate