High Purity Selenium Se Powder CAS 7782-49-2, 99%
S. Blackgray non metallic. It is possible to combine with either concentrated sulfuric acid or chloroform. Its purity is 99.9%. Three options are available: 100-200 and 325.
S. Blackgray non metallic. It is possible to combine with either concentrated sulfuric acid or chloroform. Its purity is 99.9%. Three options are available: 100-200 and 325.
The C9-11 Alcohol Ethoxylate with a narrow distribution is easy to prepare and has a high deoiling efficacy. The dual turbidity characteristics of this product allow for a wide range in washing temperatures.
The water is dissolved in organic solvents. Dispersed water can be lubricated and dispersed. Polyethylene glycol Monolaurate Disperse the mineral oil or vegetable oil into water. Inorganic solvents are soluble, and water is dispersed. It is a glo