u.s. pharmacopeia alcohol, aldehyde-free
TRANSCRIPT
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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