dichromate वाक्य
उदाहरण वाक्य
मोबाइल
- Sodium dichromate is often required as an additive to promote oxidation in certain'types'of nitric-based acid baths.
- However, since potassium dichromate is a strong oxidizer, numerous alcohol groups can be oxidized by it, producing false positives.
- Chromate esters are the key reactive intermediates in the Jones oxidation, the mechanistically related oxidations using pyridinium dichromate or pyridinium chlorochromate.
- IIRC, you make it with a 50 / 50 mixture of concentrated sulfuric acid with a saturated solution of sodium dichromate.
- At pH 1 ) the hydrogen chromate ion is predominant in dilute solution but the dichromate ion is predominant in more concentrated solutions.
- As with other Cr VI compounds, potassium dichromate is carcinogenic and should be handled with gloves and appropriate health and safety protection.
- Representative members of this family of reagents include Collins reagent, pyridinium chlorochromate ( PCC ), and pyridinium dichromate ( PDC ).
- The black reaction consisted in fixing silver chromate particles to the neurilemma ( the neuron membrane ) by reacting silver nitrate with potassium dichromate.
- Ammonium dichromate is sometimes known as " Vesuvian Fire ", because of its use in demonstrations of tabletop " volcanoes ".
- It forms yellow, monoclinic crystals; made from ammonium hydroxide and ammonium dichromate; used in photography as a sensitizer for gelatin coatings.
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