nitrous acid वाक्य
उदाहरण वाक्य
मोबाइल
- However, a major breakthrough in the development of the TDR mechanism came with the improved understanding of the phenomenon behind amine groups reacting with nitrous acid.
- The bottom figure shows the survival curves for inactivation of phage T4 by the DNA damaging agent methyl methane sulfonate ( MMS ) and nitrous acid.
- Meticulous kinetic studies throughout the late 1950s led scientists to believe that nitrous acid reacts with an amine by first producing a nitrous acid derivative, potentially N2O3.
- Meticulous kinetic studies throughout the late 1950s led scientists to believe that nitrous acid reacts with an amine by first producing a nitrous acid derivative, potentially N2O3.
- In this synthesis, the methyl anthranilate successively reacts with nitrous acid ( from sodium nitrite and hydrochloric acid ), sulfur dioxide, chlorine, and then ammonia to yield saccharin:
- Oxidation with nitrous acid then produces the azo compound "'4 "'from which on heating above the melting point, nitrogen gas evolves with formation of tetraphenylmethane "'5 " '.
- Nitrous acid is used to make diazides from amines; this occurs by nucleophilic attack of the amine onto the nitrite, reprotonation by the surrounding solvent, and double-elimination of water.
- Nitrogen is the most common gas in the atmosphere and several active nitrogen compounds, including nitrous acid, can damage the ozone themselves, said Konrad Mauersberger of the Max Planck Institute.
- The unusual alkyl nitrite starting material of the Barton reaction is prepared by attack of an alcohol on a nitrosylium cation generated in situ by dehydration of doubly protonated nitrous acid.
- Base on the fact that dilute nitrous acid can oxidize iodide into iodine, it can be deduced that nitrous is a faster, rather than a more powerful, oxidizing agent than dilute nitric acid.
- He believed early on that damage to the skin was not caused by the Roentgen rays, but by the ozone generated in contact with the skin, and to a lesser extent, by nitrous acid.
- Oxidation by nitrous acid has a kinetic control over thermodynamic control, this is best illustrated that dilute nitrous acid is able to oxidize I " to I 2, but dilute nitric acid cannot.
- Oxidation by nitrous acid has a kinetic control over thermodynamic control, this is best illustrated that dilute nitrous acid is able to oxidize I " to I 2, but dilute nitric acid cannot.
- Nature already does that test though pretty much-rainwater is very dilute nitric acid and nitrous acid but plant evidently grow faster when they have fertiliser too . talk ) 23 : 21, 20 February 2011 ( UTC)
- Low-pH nitrous acid treatment is an excellent method to distinguish N-sulfated polysaccharides such as heparin and HS from non N-sulfated polysacchrides such as chondroitin sulfate and dermatan sulfate, chondroitin sulfate and dermatan sulfate not being susceptible to nitrous acid cleavage.
- Low-pH nitrous acid treatment is an excellent method to distinguish N-sulfated polysaccharides such as heparin and HS from non N-sulfated polysacchrides such as chondroitin sulfate and dermatan sulfate, chondroitin sulfate and dermatan sulfate not being susceptible to nitrous acid cleavage.
- Also with Miller's approval, the lower deck ports were periodically washed with nitrous acid to reduce the risk of mould, windsails were installed to encourage a flow of fresh air below decks and the crew's hammocks were ordered to be aired three times a week.
- A simplified three-step process for artificial divicine synthesis : ( 1 ) The benzyl group of 2-amino-5-benzyloxy-4-hydroxypyrimidine is removed by acid hydrolysis, yielding 2-amino-4, 5-dihydroxypyrimidine . ( 2 ) This intermediate is then treated with nitrous acid to yield the slightly soluble orange product, 2-amino-6-nitrosopyrimidine-4, 5-diol ( 3 ) which is then reduced with sodium dithionite to yield divicine.
- अधिक वाक्य: 1 2
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