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Aim: To perform the limit test for iron for the given sample. Requirements: Nessler cylinder, 2ml bulb pipette, 20% w/v iron-free citric acid, thioglycolic acid, ammonia solution, iron standard solution (20 ppm Fe), glass rods, red-litmus paper. Principle: In this experiment, the test color (purple) obtained by the reaction of iron impurities with mercaptoacetic acid …
Aim: To perform limit test for sulphates for the given sample. Requirements: Nessler cylinders, glass rod, 1ml bulb pipette, 2 ml graduate pipette, 5 M acetic acid, sulphate standard solution (10 ppm SO4), test sample, barium chloride solution, ethanolic sulphate standard solution (10 ppm SO4), 1ml graduate pipette. Principle: In this experiment, the test opalescence/turbidity …
Aim: To perform limit test for chlorides for the given sample. Requirements: Nessler cylinders, glass rod, measuring cylinders, 1ml bulb pipette, 10 ml bulb pipette, dilute nitric acid, 0.1 M silver nitrate, chloride standard solution (25 ppm Cl), test sample. Principle: In this experiment, the test opalescence obtained by the reaction of chloride impurities with …
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To Prepare and Submit of Cresol with soap IP(20ml) Aim: To prepare and submit Solution of cresol with soap IP (20 ml) Requirements: Cresol, vegetable oil, potassium hydroxide, purified water, beaker, water bath, measuring cylinder. Principle: It is also called as Lysol solution. It is used as a disinfectant for floors, table-tops, working area and …
Pharm. D. First Year Question Bank: Development of Indian Pharmacopoeia & other Pharmacopeias SHORT ANSWERS (2 Marks) 1. What is Pharmacopoeia? Mention all the editions of Indian Pharmacopoeia. 2. Give the significance of Pharmacopoeias. 3. Enlist various Pharmacopoeias. 4. List the editions of Indian Pharmacopoeia chronologically. 5. Mention the contents of National Formulary of India. …
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Introduction There are generally two types of sugar namely reducing and non-reducing sugar based on their reducing property. All the monosaccharides are reducing sugars as they have free anomeric carbon in their structure (free aldehyde group or a free ketone group) that can reduce cupric salt. However, in the disaccharides, the monosaccharide unit is linked together …
Cerimetry or cerimetric titration, also known as cerateoximetry.It is a redox titration in which a Fe2+-1,10-phenanthroline complex (ferroin) color change indicates the endpoint. (Ferroin) can be reversibly discolored in its oxidized form upon titration with a Ce4+ solution. Standard solutions can be prepared from different Ce4+ salts, but often cerium sulfate is chosen. Procedure: Since …