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Adornment—Determination of Chromium(Ⅵ)—1,5-Diphenylcarbohydrazide spectrophotometric method
全国首饰标准化技术委员会(SAC/TC 256)
本标准规定了饰品中六价铬的二苯碳酰二肼分光光度测定方法。
本标准适用于饰品中六价铬的测定。
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