| NOUN | potassium dichromate | - | |
NOUN article.ind sg | pl
21 translations
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Usage Examples English
- Other popular bleach solutions use potassium dichromate (a hexavalent chromium) or permanganate.
- In 1852, Talbot discovered that gelatine treated with potassium dichromate, a sensitiser introduced by Mungo Ponton in 1839, is made less soluble by exposure to light.
- Like other chromium(VI) compounds (chromium trioxide, sodium dichromate), potassium dichromate has been used to prepare "chromic acid" for cleaning glassware and etching materials.
- Zenker is usually made with 50g of mercuric chloride, 25g of potassium dichromate, 10g of sodium sulfate (decahydrate) and distilled water to complete 1000 ml.
- If magnesium isn't a very fine powder it can be passivated with linseed oil or potassium dichromate. The passivated magnesium flash powder is stable and safe to store.
- By varying the amount of platinum versus palladium and the addition of oxidizing chemicals such as hydrogen peroxide and potassium dichromate or potassium chlorate, the contrast and "color" of the final image can be modified.
- Many routes are known including the hydrolysis of isobutyronitrile with alkalis and the oxidation of isobutanol with potassium dichromate in the presence of sulfuric acid.
- A potentiometer or a redox indicator is usually used to determine the endpoint of the titration, as when one of the constituents is the oxidizing agent potassium dichromate.
- Golgi's staining is achieved by impregnating aldehyde fixed nervous tissue with potassium dichromate and silver nitrate. Cells thus stained are filled by microcrystallization of silver chromate.
- In the process of oxidizing the organic substances found in the water sample, potassium dichromate is reduced (since in all redox reactions, one reagent is oxidized and the other is reduced), forming Cr3+.
- The standards used include potassium dichromate (isosbestic points at 339 and 445 nm), bromothymol blue (325 and 498 nm) and congo red (541 nm).
- Its organic synthesis involves dissolving aniline, "p"-toluidine, and "o"-toluidine in sulfuric acid and water in a roughly 1:1:2 ratio, then adding potassium dichromate.
- However, wool has thio groups (-SH) from the cystine amino acid, which act as reducing agent and can reduce hexavalent chromium of potassium dichromate to trivalent form.
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Contains translations by TU Chemnitz and Mr Honey's Business Dictionary (German-English only).
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