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SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF CHLORIDE AND RESIDUAL CHLORINE IN WATER WITH MERCURY THIOCYANATE METHOD

Jin Qiu

Abstract

Simultaneous absorptiophotometric determination of chloride ion and residual chlorine in water with mercury thiocyanate method was studied. Beer′s law is obeyed in the range of 2～100μg/10ml for chloride ion. The method was applied to the determination of chloride ion and residual chlorine in water samples with satisfactory results.

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Key concepts: Chlorine, Chloride, Thiocyanate, Mercury (programming language), Chemistry, Residual, Potassium thiocyanate, Ion