Chinese Standard: GB/T 20432.13-2007

Photography—Photographic-grade chemicals—Test methods—Part 13:Determination of pH

IDT  ISO 10349-13:2002

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的溶液pH(准确至±0.1 pH)测定的通用试验方法。
本方法不用于监控直接用于照相加工的复合溶液例如显影液的pH。

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