dithionite वाक्य
उदाहरण वाक्य
मोबाइल
- Confusion between dithionate and dithionite is commonly encountered, even in manufacturers'catalogues.
- The method commercially used by Flexplay and SpectraDisc employs methylene blue reduced by sodium dithionite.
- In aqueous phase nickel or cobalt salts can be reduced, for example, by sodium dithionite.
- While most bleaches are oxidizing agents, a fewer number are reducing agents such as sodium dithionite.
- In contrast to hydrogen peroxide, which oxidizes the chromophores, dithionite reduces these color-causing groups.
- Dithionite reacts with oxygen, so efficient use of dithionite requires that oxygen exposure be minimized during its use.
- Dithionite reacts with oxygen, so efficient use of dithionite requires that oxygen exposure be minimized during its use.
- The decomposition of dithionite produces reduced species of sulfur that can be very aggressive for the corrosion of steel and stainless steel.
- It can be prepared from subtitution using either sodium dithionite or sodium sulfide with sodium hydroxide to introduce the thiol functional group.
- Herbert Bowyer Berkeley experimented with his own version of collodion emulsions after Samman introduced the idea of adding dithionite to the pyrogallol developer.
- Sodium dithionite is usually used as a reducing chemical in such experiments ( E?~ " 420 mV at pH 7 ).
- The reduction of the dinitrobenzidine compound can also proceed with tin ( II ) chloride instead of iron powder or with sodium dithionite in methanol.
- Raman spectroscopy and single-crystal X-ray diffraction studies of sodium dithionite in the solid state reveal that sodium dithionite exists in different forms.
- Raman spectroscopy and single-crystal X-ray diffraction studies of sodium dithionite in the solid state reveal that sodium dithionite exists in different forms.
- In one anhydrous form, the dithionite ion has C geometry, almost eclipsed with a 16?O-S-S-O torsional angle.
- Sodium dithionite ( Na 2 S 2 O 4 ), also known as sodium hydrosulfite, is the other main reagent used to brighten mechanical pulps.
- 2, 6-Diphenylphenol is nitrated with diluted nitric acid to 4-Nitro-2, 6-diphenylphenol and subsequently reduced with sodium dithionite to the amine.
- A mixture of haemoglobin S ( Hb S ) in a reducing solution ( such as sodium dithionite ) gives a turbid appearance, whereas normal Hb gives a clear solution.
- The weak S-S bond causes the dithionite anion to dissociate into the [ SO 2 ] " radical anion in aqueous solution, which has been confirmed by ESR spectroscopy.
- The "'Marschalk reaction "'is the sodium dithionite promoted reaction of a phenolic anthraquinone with an aldehyde to yield a substituted phenolic anthraquinone after the addition of acid.
- अधिक वाक्य: 1 2
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