Preparation and standardisation of 0.1 M Lead Nitrate solution using Disodium Edetate and Xylenol Orange mixture as indicator used in chemical analysis of pharmaceutical ingredients.
Lead Nitrate Solution Preparation
- Dissolve 33.12 g of lead nitrate in sufficient water to produce 1000 ml.
- Standardize the solution in the following manner.
Lead Nitrate Solution Standardization
- Pipette 50.0 ml of the solution into a flask.
- Add 50 mg of xylenol orange mixture and sufficient hexamine to produce a violet-pink color.
- Titrate with 0.1 M disodium edetate to a lemon yellow endpoint.
- 1 ml of 0.1 M disodium edetate is equivalent to 0.03312 g of Pb(N03)2.
Also see:
Determination of Shelf Life of Solutions in Laboratory
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