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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 14849.11-2016 |
Methods for chemical analysis of silicon metal—Part 11：Determination of chromium content—1,5-Diphenylcarbohydrazide spectrophotometric method 工业硅化学分析方法 第11部分：铬含量的测定 二苯碳酰二肼分光光度法 |
China National Standards hydrazide |
 English PDF |
| GB 23200.22-2016 |
National food safety standards—Determination of maleic hydrazide residue in nuts and nut products Liquid chromatography 食品安全国家标准 坚果及坚果制品中抑芽丹残留量的测定 液相色谱法 |
China National Standards hydrazide |
English PDF |
| GB/T 31931-2015 |
Zinc or zinc alloy coating on steel sheets or strips—Determination of hexavalent chromium content—1,5-Diphenylcarbohydrazide (diphenylcarbazide) spectrophotometric method 钢板及钢带 锌及锌合金镀层中六价铬含量的测定 二苯碳酰二肼分光光度法 |
China National Standards hydrazide |
English PDF |
| GB/T 28019-2011 |
Adornment - Determination of Chromium（Ⅵ）- 1, 5-Diphenylcarbohydrazide spectrophotometric method 饰品 六价铬的测定 二苯碳酰二肼分光光度法 |
China National Standards hydrazide |
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 hydrazide |
English PDF |
| GB/T 19611-2004 |
Tobacco and tobaccoproducts--Determination of maleic hydrazide residues UV Spectrophotometer method 烟草及烟草制品 抑芽丹残留量的测定 紫外分光光度法 |
China National Standards hydrazide |
English PDF |
| GB/T 15555.5-1995 |
Solid waste--Determination of total chromium--1，5-Diphenylcarbohydrazide spectrophotometric method 固体废物 总铬的测定 二苯碳酰二肼分光光度法 |
China National Standards hydrazide |
English PDF |
| GB/T 15555.4-1995 |
Solid waste--Determination of chromium(VI)--1，5-Diphenylcarbohydrazide spectrophotometric method 固体废物 六价铬的测定 二苯碳酰二肼分光光度法 |
China National Standards hydrazide |
English PDF |
| GB/T 7467-1987 |
Water quality--Determination of chromium(Ⅵ)--1，5 Diphenylcarbohydrazide spectrophotometric method 水质 六价铬的测定 二苯碳酰二肼分光光度法 |
China National Standards hydrazide |
English PDF |
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