Methods for Color Matching
Comparative Colorimetric Stock Solution
Small amounts of impurities might be colored by sulfuric acid etc. contained in pharmaceuticals. This impurity is tested colorimetrically. At this time, color comparative mixture solutions are prepared by mixing three types of "colorimetric stock solution" at a fixed ratio and make a comparison.
The Japanese Pharmacopoeia, 17th Edition, Section 2.65.
For research use or further manufacturing use only. Not for use in diagnostic procedures.
Product content may differ from the actual image due to minor specification changes etc.
If the revision of product standards and packaging standards has been made, there is a case where the actual product specifications and images are different.