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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 42516-2023 |
Chemical analysis method of high temperature shape memory alloy - determination of platinum content - thiourea complex precipitation method {译} 高温形状记忆合金化学分析方法 铂含量的测定 硫脲络合沉淀法 |
China National Standards Determination urea content |
 English PDF |
| GB/T 42307-2023 |
Fertilizers and soil conditioners - Determination of biuret content in urea-based fertilizers - High performance liquid chromatography {译} 肥料和土壤调理剂 尿素基肥料中缩二脲含量的测定 高效液相色谱法 |
China National Standards Determination urea content |
English PDF |
| GB/T 36859-2018 |
Determination of urea content in feed 饲料中尿素含量的测定 |
China National Standards Determination urea content |
English PDF |
| GB/T 29661-2013 |
Determination of urea content in cosmetics - Enzymatic method 化妆品中尿素含量的测定 酶催化法 |
China National Standards Determination urea content |
English PDF |
| GB/T 17418.4-2010 |
Methods for analysis of noble metals in geochemical samples - Part 4: Determination of iridium content - Preconcentration by thiourea-catalytic spectrophotometric method 地球化学样品中贵金属分析方法 第4部分：铱量的测定 硫脲富集-催化分光光度法 |
China National Standards Determination urea content |
English PDF |
| GB/T 17418.3-2010 |
Methods for analysis of noble metals in geochemical samples - Part 3: Determination of palladium content - Preconcentration by thiourea - graphite furnace atomic absorption spectrophotometric method 地球化学样品中贵金属分析方法 第3部分：钯量的测定 硫脲富集-石墨炉原子吸收分光光度法 |
China National Standards Determination urea content |
English PDF |
| GB/T 17418.2-2010 |
Methods for analysis of noble metals in geochemical samples - Part 2：Determination of platinum and rhodium content-Preconcentration by thiourea-catalytic polarographic method 地球化学样品中贵金属分析方法 第2部分：铂量和铑量的测定 硫脲富集-催化极谱法 |
China National Standards Determination urea content |
English PDF |
| GB/T 2441.9-2010 |
Determination of urea - Part 9: Methylenediurea content - Spectrophotometric method 尿素的测定方法 第9部分：亚甲基二脲含量 分光光度法 |
China National Standards Determination urea content |
English PDF |
| GB/T 2441.8-2010 |
Determination of urea - Part 8: Sulphate content - Visible turbidimetric method 尿素的测定方法 第8部分：硫酸盐含量 目视比浊法 |
China National Standards Determination urea content |
English PDF |
| GB/T 2441.6-2010 |
Determination of urea - Part 6: Water insoluble matter content - Weight method 尿素的测定方法 第6部分：水不溶物含量 重量法 |
China National Standards Determination urea content |
English PDF |
| GB/T 2441.4-2010 |
Determination of urea - Part 4: Iron content 1,10 - Phenanthroline spectrophotometric method 尿素的测定方法 第4部分：铁含量 邻菲啰啉分光光度法 |
China National Standards Determination urea content |
English PDF |
| GB/T 2441.3-2010 |
Determination of urea - Part 3: Water content - Karl Fischer method 尿素的测定方法 第3部分：水分 卡尔?费休法 |
China National Standards Determination urea content |
English PDF |
| GB/T 2441.2-2010 |
Determination of urea - Part 2: Biuret content - Spectrophotometric method 尿素的测定方法 第2部分：缩二脲含量 分光光度法 |
China National Standards Determination urea content |
English PDF |
| GB/T 2441.1-2008 |
Determination of urea - Part 1：Total nitrogen content 尿素的测定方法 第1部分：总氮含量 |
China National Standards Determination urea content |
English PDF |
| GB/T 15072.8-2008 |
Test method of precious metal alloys - Determination of copper content for gold, palladium and silver alloys - Complexometric return titration using thiourea releasing EDTA 贵金属合金化学分析方法 金、钯、银合金中铜量的测定 硫脲析出EDTA络合返滴定法 |
China National Standards Determination urea content |
English PDF |
| GB/T 2602-2002 |
Method for the urea determinationof m-cresol content of phenol products 酚类产品中间位甲酚含量的尿素测定方法 |
China National Standards Determination urea content |
English PDF |
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