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GB 11900-1989

GB 11900-1989, Total:2 items.

In the international standard classification, GB 11900-1989 involves: Water quality.

中华人民共和国环境保护部, GB 11900-1989

• GB 11900-1989 Water quality-Determination of trace amounts of arsenic-Spectrophotometric method with silver salt

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, GB 11900-1989

• GB/T 11900-1989 Water quality--Determination of trace amounts of arsenic--Spectrophotometric method with silver salt

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