Photography—Photographic-grade chemicals—Test methods—Part 5:Determination of heavy metals and iron content
IDT ISO 10349-5:1992
全国感光材料标准化技术委员会(SAC/TC 102)
GB/T 20432的本部分规定了照相级化学品重金属和铁含量测定的通用试验方法。
注： 如果单独分析重金属或者是铁，只需准备一个稀释的标准溶液(8.1)。
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