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Sodium hydroxide for industrial use—Determination of sodium chloride content—Mercurimetric method
NEQ ISO 981:1973(2011)
全国化学标准化技术委员会氯碱分会(SAC/TC 63/SC 6)
本标准规定了工业用氢氧化钠中氯化钠含量测定的方法。
本标准适用于氯化钠含量(质量分数)大于0.005%的产品。
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