U.S. Pharmacopeia

Alcohol, Aldehyde-free

Lot N: XXXXXX

Description: acc. to chapter Reagent Specifications of USP

Procedure: Dissolve 2.5 g of lead acetate in 5 mL of water, add the solution to 1000 mL of alcohol contained in a glass-stoppered bottle, and mix. Dissolve 5 g of potassium hydroxide in 25 mL of warm alcohol, cool the solution, and add it slowly, without stirring, to the alcohol solution of lead acetate. After 1 hour shake the mixture vigorously, allow it to stand overnight, decant the clear liquid, and recover the alcohol by distillation

Ref N: USP355

Performance test: passes test

Expiry date: XXXXXX

The reagent is specially intended for use in testing USP and monographs. This solution was

produced according USP specifications using USP reagent quality components and water meeting

the USP monograph requirement for Purified Water.

Instruction for use

The solution bottle should be open for the minimum time required to dispense the solution.

After use, the bottle should be tightly recapped and under normal laboratory conditions.

This certificate relates solely to the lot number given above.

Certification date: XXXXXXXXXX

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