2019-10
There are two types of color developers: general color developers and special effect color developers. According to whether the chemical composition of the test...
2019-10
Product Name: Sodium m-toluidine propane sulfonate Abbreviation: TODP CAS No .: Content: 99.0% Molecular formula: C10H14NSO3Na Molecular weight: ...
2019-10
I. Requirements: 1. Organic chemistry, medicinal chemistry and other majors related to chemical synthesis, with college education or above, should not be limit...