why neutral formaldehyde is used in the assay of ammonium chloride
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The Assay is used to determine the Percentage Purity of a given sample. ... Assay of Ammonium Chloride: The Assay of Ammonium Chloride is a type of acid-base titration. When Ammonium Chloride reacts with Formaldehyde, HCl is liberated. The liberated HCl can neutralize by using a Standard base like NaOH.
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