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Preparation and Standardization of 0.02 M Mercuric Nitrate

Preparation and standardisation of 0.02 M Mercuric Nitrate using Sodium Chloride by potentiometer.

Mercuric Nitrate Solution Preparation

•  Dissolve 6.85 g of mercuric nitrate in 20 ml of 1 M nitric acid.
•  Add sufficient water to produce 1000 ml.
•  Standardize the solution in the following manner.

Mercuric Nitrate Solution Standardization

•  Dissolve 15 mg of sodium chloride in 50 ml of water.
•  Titrate with the mercuric nitrate solution determining the endpoint potentiometrically, using a platinum or mercury indicator electrode and a mercury-mercurous sulphate reference electrode.
•  1 ml of 0.02 M mercuric nitrate is equivalent to 0.002338 g of NaCl.

Also see: Determination of Shelf Life of Solutions in Laboratory

Ankur Choudhary is India's first professional pharmaceutical blogger, author and founder of Pharmaceutical Guidelines, a widely-read pharmaceutical blog since 2008. Sign-up for the free email updates for your daily dose of pharmaceutical tips.
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