4. Potassium bromide - a drug from the class of salts formed by a strong base and a strong acid, dissolves in water, undergoes dissociation into a potassium cation and bromine anion. Methods for testing the authenticity of such ions are unified and set out in the General Pharmacopoeia Monograph “General reactions to authenticity.”
Calculate the portions required for the detection of potassium cations and bromine anions, and clarify the analysis procedure.
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