Naphthionic sentence example

naphthionic
  • The most important is naphthionic acid, I-amino-4sulphonic acid, produced by heating a-naphthylamine and sulphuric acid to 170-180° C. with about 3% of crystallized oxalic acid.
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  • The most important is naphthionic acid, I-amino-4sulphonic acid, produced by heating a-naphthylamine and sulphuric acid to 170-180° C. with about 3% of crystallized oxalic acid.
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