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- [3] PHOTOMETRIC DETERMINATION OF FLUOSILICIC ACID IN HYDROFLUORIC ACID INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1945, 17 (06): : 372 - 373
- [5] PHOTOMETRIC DETERMINATION OF COBALT WITH VIOLURIC ACID ZHURNAL ANALITICHESKOI KHIMII, 1971, 26 (12): : 2406 - +
- [7] PHOTOMETRIC-DETERMINATION OF HYDROXYETHYLENEDIPHOSPHONIC ACID INDUSTRIAL LABORATORY, 1980, 46 (10): : 1008 - 1009
- [8] PHOTOMETRIC DETERMINATION OF COBALT WITH PHOSPHOMOLYBDIC ACID INDUSTRIAL LABORATORY, 1970, 36 (08): : 1148 - &