write the chemical reaction involved in ammonium chloride assay
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Ammonium chloride is assayed by indirect assay method. The sample is dissolved in water and treated with previously neutralised formaldehyde solution. ... The liberated HCl is titrated with the standard solution of NaOH using phenolphthalein as indicator, appearance of pale pink colour is the indication of endpoint.
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Ammonium chloride is assayed by indirect assay method. The sample is dissolved in water and treated with previously neutralised formaldehyde solution. ... The liberated HCl is titrated with the standard solution of NaOH using phenolphthalein as indicator, appearance of pale pink colour is the indication of endpoint.
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