pyrogallol उदाहरण वाक्य

His lab called their newly-developed method Brain-wide Reduced Osmium staining with Pyrogallol-mediated Amplification ( BROPA ).
Herbert Bowyer Berkeley experimented with his own version of collodion emulsions after Samman introduced the idea of adding dithionite to the pyrogallol developer.
We should probably add this to the article about pyrogallol as well . talk ) 20 : 16, 29 September 2010 ( UTC)
Other developing agents in use are p-aminophenol, glycin ( N-( 4-hydroxyphenyl ) glycine ), pyrogallol, and catechol.
Epigallocatechin and gallocatechin contain an additional phenolic hydroxyl group when compared to epicatechin and catechin, respectively, similar to the difference in pyrogallol compared to pyrocatechol.

In 2005, researchers produced pyrogallol [ 4 ] arene simply by mixing a " p "-toluenesulfonic acid, in a mortar and pestle.
For phenol, the aldehyde most often used is simple formaldehyde, while larger aldehydes, like acetaldehyde, are usually required in condensation reactions with resorcinol and pyrogallol.
The current legislation restricts the use of certain substances such as pyrogallol, formaldehyde, or paraformaldehyde and bans the use of others such as lead acetate in cosmetic products.
Note that pyrogallol is very nucleophilic enol-- ( an aromatic enol, but still an enol )-- so another pyrogallol molecule will then attack this Michael acceptor.
Note that pyrogallol is very nucleophilic enol-- ( an aromatic enol, but still an enol )-- so another pyrogallol molecule will then attack this Michael acceptor.