murexide वाक्य
उदाहरण वाक्य
मोबाइल
- Murexide and methyl red are investigated as promising enhancers of sonochemical destruction of chlorinated hydrocarbon pollutants.
- The solution is then filtered from the precipitated murexide, which is washed with absolute alcohol and dried.
- Murexide in its dry state has the appearance of a reddish purple powder, slightly soluble in water.
- Alloxan was used in the production of the purple dye murexide, discovered by Carl Wilhelm Scheele in 1776.
- In addition, he studied the nature of murexide and recognized it as the ammonium salt of purpuric acid.
- Murexide results from the condensation of the unisolated intermediate uramil with alloxan, liberated during the course of the reaction.
- Murexide is the product of the complex " in-situ " multistep reaction of alloxantin and gaseous ammonia.
- Common indicators are organic dyes such as Fast Sulphon Black, Eriochrome Black T, Eriochrome Red B, Patton Reeder, or Murexide.
- Murexide is used in analytical chemistry as a complexometric indicator for complexometric titrations, most often of calcium ions, but also for,,, and rare earth metals . " Cf ."
- It may also be prepared by digesting alloxan with alcoholic ammonia at about 78 �C; the purple solid so formed is easily soluble in water, and the solution produced is indistinguishable from one of murexide.
- W . N . Hartley found considerable difficulty in obtaining specimens of murexide sufficiently pure to give concordant results when examined by means of their absorption spectra, and consequently devised a new method of preparation for murexide.
- W . N . Hartley found considerable difficulty in obtaining specimens of murexide sufficiently pure to give concordant results when examined by means of their absorption spectra, and consequently devised a new method of preparation for murexide.
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