Nitration sentence example

nitration
  • From meta-brombenzoicacid two nitrobrombenzoic ac i ds are obtained on direct nitration; elimination of the bromine atom and the reduction of the nitro to an amino group in these two acids results in the formation of the same ortho-aminobenzoic acid.
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  • This substance readily yields ortho-oxybenzoic acid or salicylic acid, which on nitration yields two mononitro-oxybenzoic acids.
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  • Direct nitration gives (principally) m-nitrobenzoic acid, also pseudotetragonal with a much shorter principal axis.
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  • The reaction is generally carried out in the presence of sulphuric acid, which is used to absorb the water formed during the process of nitration.
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  • Three isomers exist, the orthoand para-compounds being the chief products of the direct nitration of toluene.
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  • Bottger of Frankfort and Otto and Knop, all of whom added to our knowledge of the subject, the last-named introducing the use of sulphuric along with nitric acid in the nitration process.
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  • The solubility in ether-alcohol may be owing to a lower degree of nitration, or to the temperature conditions under which the process of manufacture has been carried on.
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  • Guncottons are examined for degree of nitration by the nitrometer, in which apparatus they are decomposed by sulphuric acid in contact with mercury, and all the nitrogen is evolved as nitric oxide, NO, which is measured and the weight of its contained nitrogen calculated.
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  • Nitration of benzoic acid gives chiefly meta-nitro-benzoic acid.
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  • It is readily brominated and nitrated; when the nitration is carried out in the presence of sulphuric acid, the nitro-groups take up the meta position with regard to the amino-groups.
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  • On nitration it gives orthoand para-nitrotoluenes - which on reduction yield the valuable toluidines, C6H4(CH3)(NH2) - and on sulphonation the parasulphonic acid is formed with a little of the ortho acid.
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  • He was walking home after an overnight stint, thinking of aromatic nitration, as she was walking into the department.
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  • The so-called collodion cottons are nitrated celluloses, but of a lower degree of nitration (as a rule) than guncotton.
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  • Meta-dinitrobenzene is formed by the direct nitration of nitrobenzene with fuming nitric acid, the product being poured into water and recrystallized from dilute alcohol.
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