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- [24] COLOR REACTION BETWEEN TRINITROBENZOIC ACID + ACETONE JOURNAL OF PHYSICAL CHEMISTRY, 1964, 68 (07): : 2023 - &
- [26] DETERMINATION OF SULFONIC ACID GROUPS IN UNBLEACHED SULFITE PULPS SVENSK PAPPERSTIDNING-NORDISK CELLULOSA, 1966, 69 (09): : 322 - &
- [27] PHOTOMETRIC AND EXTRACTION PHOTOMETRIC DETERMINATION OF RHENIUM BY MEANS OF 1-MERCAPTOPROPIONIC ACID JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1976, 31 (01): : 87 - 91
- [29] Photometric determination of sulfite ions in natural and potable water using an iodine-amylose reagent INDUSTRIAL LABORATORY, 2000, 66 (07): : 425 - 427