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标准样品工作导则（3）标准样品 定值的一般原则和统计方法
Directives for the work of reference materials - Reference materials - General and statistical principles for certification
烟花爆竹 火箭（升空类产品）
Fireworks and firecracker - Rockets (Product of aerial)
烟花爆竹 黑火药爆竹（爆竹类产品）
Fireworks and firecracker - Black powder banger (Product of firecracker)
烟花爆竹 双响（升空类产品）
Fireworks and firecrackers - Product of Aerial - Double - bang firecracker
工业碳酸氢钠
Sodium bicarbonate for industrial use
工业循环冷却水中化学需氧量(COD)的测定 高锰酸钾法
Industrial circulating cooling water - Determination of the chemical oxygen demand - Potassium permanganate method
锅炉用水和冷却水分析方法 铁的测定
Analysis of water used in boiler and cooling system - Determination of iron
工业循环冷却水中余氯的测定
Industrial circulating cooling water-Determination of residual chlorine
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 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
工业沉淀硫酸钡
Barium sulphate precipitated for industrial use
工业用季戊四醇
Pentaerythritol for industrial use
工业无水氯化铝
Anhydrous aluminium chloride for industrial use
表面活性剂 高温条件下分散染料染聚酯织物时匀染剂的抑染作用测试法
Surface active agents - Method of testing of the restraining effect of levelling agents for disperse dyes on dyeing polyester textile under high temperature conditions
工业氯酸钠
Sodium chlorate for industrial use
有机化工产品试验方法 第4部分:有机液体化工产品微量硫的测定 微库仑法
Test method of organic chemical products - Part 4: Determination of trace sulfur in organic liquid products - Microcoulometric method
化学试剂 脲(尿素)
Chemical reagent - Urea
纯氧、高纯氧和超纯氧
Pure oxygen and high purity oxygen and ultra pure oxygen
化学试剂 石油醚
Chemical reagent - Petroleum ether
化学试剂 羰基化合物测定通用方法
Chemical reagent - General method for the determination of carbonyl compounds