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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 33488.1-2017 |
Test method of pressure equipments of thermoplastics welded for chemicals—Part 1: General requirements 化工用塑料焊接制承压设备检验方法 第1部分：总则 |
China National Standards Chemicals general method |
 English PDF |
| GB/T 23952-2009 |
Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Distillation-acid-base titrations method 无机化工产品中总氮含量测定的通用方法 蒸馏-酸碱滴定法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23951-2009 |
Inorganic chemicals for industrial use - General method for the determination of residue after ignition 无机化工产品中灼烧残渣测定通用方法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23950-2009 |
Inorganic chemicals for industrial use - General method for determination of heavy metals 无机化工产品中重金属测定通用方法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23949-2009 |
Inorganic chemicals for industrial use - General method for the determination of dry residue after evaporation 无机化工产品中蒸发残渣测定通用方法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23948-2009 |
Inorganic chemicals for industrial use - General method for the determination of water insoluble matter 无机化工产品中水不溶物测定通用方法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23947.2-2009 |
Inorganic chemicals for industrial use - General method for the determination of arsenic content - Part 2: Gutzeit method 无机化工产品中砷测定的通用方法 第2部分：砷斑法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23947.1-2009 |
Inorganic chemicals for industrial use - General method for determination of arsenic - Part 1: Silver diethyldithiocarbamate photometric method 无机化工产品中砷测定的通用方法 第1部分：二乙基二硫代氨基甲酸银光度法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23946-2009 |
Inorganic chemicals for industrial use - General method for the determination of lead content - Atomic absorption spectrometry 无机化工产品中铅含量测定通用方法 原子吸收光谱法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23945-2009 |
Inorganic chemicals for industrial use - General method for the determination of chloride content - Visible turbidimetric method 无机化工产品中氯化物含量测定的通用方法 目视比浊法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23944-2009 |
Inorganic chemicals for products use - General method for the determination of aluminium - Chromazurol S-spectrophotometric method 无机化工产品中铝测定的通用方法 铬天青S分光光度法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23943-2009 |
Inorganic chemicals for industrial use - General method for the determination of chromium(Ⅵ) content - 1,5-diphenylcarbohydrazide spectrophotometric method 无机化工产品中六价铬含量测定的通用方法 二苯碳酰二肼分光光度法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23845-2009 |
Inorganic chemicals for industrial use - General method for the determination of bromide 无机化工产品中溴化物测定通用方法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23844-2009 |
Inorganic chemicals for industrial use - General method for the determination of sulphate - Visible turbidimetric method 无机化工产品中硫酸盐测定通用方法 目视比浊法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23842-2009 |
General method for the determination of silicon content of inorganic chemicals - Reduced molybdosilicate spectrophotometric method 无机化工产品中硅含量测定通用方法 还原硅钼酸盐分光光度法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23841-2009 |
Inorganic chemicals for industrial use - General method for the determinations of cadmium - Atomic absorption spectrometry 无机化工产品中镉含量测定的通用方法 原子吸收分光光度法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23773-2009 |
Inorganic chemicals for industrial use - General method for determination of ammonium content - Nessler’s reagent colorimetric method 无机化工产品中铵含量测定的通用方法 纳氏试剂比色法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23772-2009 |
Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Nessler’s reagent colorimetric method 无机化工产品中总氮含量测定的通用方法 蒸馏-纳氏试剂比色法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 23767-2009 |
General method for measuring solid chemicals fire limits in gaseous oxidants 固体化工产品在气态氧化剂中燃烧极限测定的通用方法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 22596-2008 |
Water treatment chemicals - General method for determination of iron content 水处理剂 铁含量测定方法通则 |
China National Standards Chemicals general method |
English PDF |
| GB/T 22054-2008 |
Chemicals general method for determination of distillation characteristics of organic liquids(other than petroleum products) 有机液体（除石油产品）蒸馏特性测定通用方法 |
China National Standards Chemicals general method |
English PDF |
| GB/T 20432.1-2006 |
Photography―Photographic-grade chemicals―Test methods―Part 1: General 摄影 照相级化学品 试验方法 第1部分: 总则 |
China National Standards Chemicals general method |
English PDF |
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