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Polyaluminum chloride in the basic test of fluoride with potassium fluoride or sodium fluoride can d

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2017-12-07 13:36:12

Sodium hydroxide standard titration solution: c (NaOH) about 05mol / L.5, phenolphthalein indicator solution: 10g / L ethanol solution 6, the determination of the basicity of a salt, try adding quantitative hydrochloric acid solution potassium fluoride masking aluminum from sodium hydroxide standard Titration solution titration 2, the reagent material 3, hydrochloric acid standard solution 4, potassium fluoride solution: c (HCl) about 0.5mol / L purchase of polyaluminum chloride salt alkalinity determination of both quick and easy polyaluminum chloride quality measurement techniques