nitrobenzene वाक्य
उदाहरण वाक्य
मोबाइल
- Nitrobenzene is considered a likely human carcinogen by the United States Environmental Protection Agency, and is classified by the Group 2B carcinogen which is " possibly carcinogenic to humans ".
- The modern synthesis entails reduction of nitrobenzene to phenylhydroxylamine ( C 6 H 5 NHOH ) which is then oxidized by sodium dichromate ( Na 2 Cr 2 O 7 ).
- The H + also has a larger conductivity than other ions in alcohols which have a hydroxyl group, but behaves more normally in other solvents including liquid ammonia and nitrobenzene.
- Charles E . Munroe of the Naval Torpedo Station in Newport, Rhode Island patented a formulation of guncotton colloided with nitrobenzene, called " Indurite ", in 1891.
- The reaction often requires high-boiling polar solvents such as N-methylpyrrolidone, nitrobenzene or dimethylformamide and high temperatures ( often in excess of 210 �C ) with stoichiometric amounts of copper.
- It is manufactured from fluoranthene and succinic anhydride in the presence of aluminum chloride in a nitrobenzene solution . ( US PATENT 2, 560, 425 ( 1951 To Miles Lab ) ).
- On that day, the nitrobenzene level at Harbin was recorded at 16.87 times above the national safety level, while the benzene level was increasing, but had not yet exceeded national safety level.
- Phototransformation of TNT results in the formation of nitrobenzenes, benzaldehydes, azodicarboxylic acids, and nitrophenols, as a result of the oxidation of methyl groups, reduction of nitro groups, and dimer formation .
- Haber's 1898 book " Grundriss der technischen Elektrochemie auf theoretischer Grundlage " ( Outline of technical electrochemistry based on theoretical foundations ) attracted considerable attention, particularly his work on the reduction of nitrobenzene.
- Both lawsuits cite a Feb . 29 public health report that concluded that residents may have been exposed to traces of dye and nitrobenzene from Ciba-Geigy that seeped into three wells used by the Toms River Water Co.
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