Test Solutions (TS)
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Tóm tắt nội dung
This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
1 USE AS INDICATORS
Certain test solutions are intended for use as detectors of a shift in solution composition (e.g., hydrogen ion, complexometric precipitation, iodometric determination, etc.).
2 VOLUMETRIC SOLUTIONS USED AS TEST SOLUTIONS
Where it is directed that a volumetric solution be used as the test solution in a qualitative procedure, standardization of the solution used as the test solution is not required.
3 SOLUTIONS PREPARED FRESH
In general, the directive to prepare a solution "fresh" indicates that the solution is of limited stability and must be prepared on the day of use.
