B1-B9 EP standard colorimetric solution

B1-B9 EP standard colorimetric solution

10ml/tube, 9 tubes/set

Red (R1-R7)

According to the Chinese Pharmacopoeia, "colorless" refers to the color of the test solution being the same as the solvent used, while "almost colorless" refers to the corresponding color tone No.1 standard colorimetric solution diluted with water at a dilution of 1 times. According to the European Pharmacopoeia, a solution of the test sample that is consistent with water or the solvent used, or lighter than the reference solution B9, can be determined to be colorless; There are subtle differences between the two, and attention should be paid to their similarities and differences during the evaluation process

0.5 turbidity standard solutionChinese Pharmacopoeia Clarity Detection Method Turbidity Standard Solution

Specification: 100ml/bottle

0.5-4/set 100ml/bottle

Clarity check methodCompare the solution with a specified turbidity standard solution to check its clarity

Degree. Unless otherwise specified, the first method should be used for testing. The "clarification" stipulated under the variety item refers to

The clarity of the test solution is the same as that of the solvent used, or does not exceed the turbidity of the 0.5 turbidity standard solution.

Almost clear "refers to the turbidity of the test solution being between 0.5 and 1 turbidity standard solutions

Between.