Limit Test for Sulphates (IP)Easy Notes for Pharmacy Students | PharmaEasyNotes
📌 Introduction Limit test for sulphates ek important pharmaceutical analysis test hai jo ye ensure karta hai ki drug substance me sulphate impurities prescribed limit se zyada na ho. Ye test B.Pharm, D.Pharm aur Pharm.D exams me frequently poocha jata hai. 👉 Ye blog Limit Test Series ka next part hai, jo PharmaEasyNotes par students ke liye specially design kiya gaya hai. 🎯 Objective of Limit Test for Sulphates Drug substance me sulphate impurity detect karna Ye confirm karna ki sulphate pharmacopoeial limit ke andar hai 🧪 Principle Sulphate ions, barium chloride reagent ke sath react karke barium sulphate (BaSO₄) ka white turbidity banate hain. 📌 Reaction: SO₄²⁻ + BaCl₂ → BaSO₄ (White turbidity) 👁️ Test solution ki turbidity ko standard sulphate solution se compare kiya jata hai. 🧴 Reagents Required Barium chloride reagent Dilute hydrochloric acid Distilled water Standard sulphate solution 👉 Exam tip: Reagents ke naam short answer me bhi pooche ja sakte hain. 🔬 Procedure 🔹 T...