phenolphthalein वाक्य
उदाहरण वाक्य
मोबाइल
- 250.0 mL of an unknown HCl solution was titrated with 14.75 mL of 0.0762 M NaOH to the phenolphthalein end point.
- Bayer also markets Phillips'Milk of Magnesia, Phillips'Chewable Tablets and Haley's MO, which do not contain phenolphthalein, the company said.
- Novartis AG recently pulled its phenolphthalein-containing Ex-Lax off U . S . shelves after the government proposed banning the ingredient due to cancer risk.
- Novartis AG recently pulled its phenolphthalein-containing Ex-Lax off U . S . shelves after the government proposed banning the ingredient because of cancer risk.
- The equivalence point occurs between pH 8-10, indicating the solution is basic at the equivalence point and an indicator such as phenolphthalein would be appropriate.
- Phenolphthalein's pH sensitivity is exploited in other applications : Concrete has naturally high pH due to the calcium hydroxide formed when Portland cement reacts with water.
- In several sources, the structure of phenol red is shown with the sulfur atom being part of a cyclic group, similar to the structure of phenolphthalein.
- Our feeling has always been that phenolphthalein has been used for almost 100 years by millions of people and that it is safe and effective when used as labeled,
- And cleaned blood stains are detected by spraying the area with a mixture of phenolphthalein and hydrogen peroxide, and then looking at the area with an ultraviolet lamp.
- FDA spokeswoman Ivy Kupec said the agency has not received " adverse event reports " from companies that market preparations containing phenolphthalein suggesting that it was causing cancer.
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