FIELD: chemistry.
SUBSTANCE: invention relates to reagents, intended for nitration of sulphate lignin. Use of a mixture of a solution of nitric acid and dimethyl sulphoxide as a reagent for nitration of sulphate lignin in homogeneous conditions enables a reaction in homogeneous conditions and achieve acceleration of nitration.
EFFECT: technical result is homogeneity of method and faster nitration.
1 cl, 1 tbl, 4 ex
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RU2069351C1 |
