China Industrial Nitrogen GB Standards Search Result |
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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 23952-2009 Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Distillation-acid-base titrations method - 英文版 |
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GB/T 23772-2009 Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Nessler’s reagent colorimetric method - 英文版 |
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GB/T 3864-2008 Industrial Nitrogen - 英文版 |
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