phenolphthalein उदाहरण वाक्य
उदाहरण वाक्य
- In a similar application, spackling used to repair holes in drywall contains phenolphthalein.
- The agency said there were more than two dozen laxatives that did not contain phenolphthalein.
- Ex-Lax with phenolphthalein has been sold in the U . S . since 1905.
- Among other chemicals the group is also considering adding the laxative ingredient phenolphthalein to its list.
- Phenolphthalein is slightly soluble in water and usually is dissolved in alcohols for use in experiments.
- It was first used as a laxative in 1953 because of its structural similarity to phenolphthalein.
- The FDA studies of phenolphthalein involved only rodents and focused primarily on dosages far exceeding human dosages,
- Novartis AG is the major manufacturer of laxatives containing phenolphthalein, with its Ex-Lax line.
- Among other chemicals, the group is also considering adding the laxative ingredient phenolphthalein to its list.
- Turmeric can be used as a substitute for phenolphthalein, as its color change pH range is similar.