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NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
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GB/T 223.49-1994
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Methods for chemical analysis of iron,steel and alloy--Extraction separation-chlorophosphonazo mA spectro-photometric method for the determination of the total rare earth content |
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Issued Date: |
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Implemented Date: |
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Issued by: |
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The Standardization Administration of the People's Republic of China |
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"GB/T 223.49-1994" standard !
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GB Standard Code |
GB/T 223.49-1994 |
Standard Category |
China National Standards |
GB Standard English Title |
Methods for chemical analysis of iron,steel and alloy--Extraction separation-chlorophosphonazo mA spectro-photometric method for the determination of the total rare earth content |
GB Standard Chinese Title |
钢铁及合金化学分析方法 萃取分离-偶氮氯膦mA分光光度法测定稀土总量 |
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