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- [3] PHOTOCHEMICAL DETERMINATION OF RHENIUM IN SOLUTIONS OF CONCENTRATED SULFURIC-ACID JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1984, 39 (07): : 1019 - 1021
- [4] POLAROGRAPHIC-DETERMINATION OF NITRATE IN CONCENTRATED SULFURIC-ACID SOLUTIONS JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1976, 71 (02): : 221 - 228
- [6] CHARACTERISTICS OF AROMATIC SULFO ACID-EXTRACTION BY ORGANIC-SOLVENTS FROM CONCENTRATED-SOLUTIONS OF SULFURIC-ACID IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA, 1983, 26 (01): : 78 - 81
- [8] POTENTIOMETRIC DETERMINATION OF BENZENESULFONIC ACID IN ITS MIXTURES WITH SULFURIC-ACID ZAVODSKAYA LABORATORIYA, 1973, (02): : 155 - 155
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