Chinese Standard: GB/T 20432.4-2006

Photography—Photographic-grade chemicals—Test methods—Part 4:Determination of residue after ignition

IDT  ISO 10349-4:1992

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灼烧残渣测定的通用试验方法。
注： 对于许多化学品，这个残渣常被用于重金属及铁含量的分析。

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