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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4702.17-2016 |
Chromium metal─Determination of oxygen, nitrogen and hydrogen content─Inert gas fusion thermal infrared detection method and conductivity method 金属铬 氧、氮、氢含量的测定 惰性气体熔融红外吸收法和热导法 |
China National Standards Chromium metal─Determination nitrogen |
 English PDF |
| GB/T 4702.7-2016 |
Chromium metal─Determination of nitrogen content─Distillation-nessler reagent spectrophotometric method 金属铬 氮含量的测定 蒸馏分离-奈斯勒试剂分光光度法 |
China National Standards Chromium metal─Determination nitrogen |
English PDF |
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