Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 18996-2021 |
Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride 银合金首饰 银含量的测定 氯化钠或氯化钾容量法(电位滴定法) |
China National Standards silver—Volumetric |
English PDF |
GB/T 17832-2021 |
Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using potassium bromide 银合金首饰 银含量的测定 溴化钾容量法(电位滴定法) |
China National Standards silver—Volumetric |
English PDF |
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