كيمياء تحليلية سلام عليكم أرجو المساعدة

وعليكم السلام​

Diazotization of aromatic amine (paracetamol) and coupling the product (p-aminophenol) with phenols or aromatic amines to give colored compound used in colorimetric methods for assay of paracetamol in pharmaceutical preparations, as in following example​

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See the attached articles for more details, especially No.1​

 

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