bleaching agent उदाहरण वाक्य
उदाहरण वाक्य
- Bleaching agents that do not contain chlorine most often are based on peroxides, such as hydrogen peroxide, sodium percarbonate and sodium perborate.
- In the U . S ., the typical concentration for benzoyl peroxide is 2.5 % to 10 % for both bleaching agent.
- Palladium and nickel act as primary bleaching agents for gold; zinc acts as a secondary bleaching agent to attenuate the color of copper.
- However, despite its name, " Borateem " laundry bleach no longer contains any boron compounds, using sodium percarbonate instead as a bleaching agent.
- Palladium and nickel act as primary bleaching agents for gold; zinc acts as a secondary bleaching agent to attenuate the color of copper.
- Chlorine dioxide is a popular bleaching agent in wood pulp and has been used in recent years to disinfect thousands of water supplies in America.
- Hydrogen peroxide is by itself a strong bleaching agent and should be used only in diluted form, such as a 3 % solution in water.
- Environmentalists have been calling for the industry to abandon chlorine altogether as the bleaching agent it uses to remove the brownish color from wood pulp.
- The FDA official said the illegal cosmetics continue to be sold because of the low cost of the chemicals and the popularity of skin bleaching agents.
- Chlorine was introduced in 1889 but scientists later found that the most effective bleaching agent was hydrogen peroxide which was actually first experimented upon in 1884.