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- [4] DETERMINATION OF COBALT IN IRON AND STEEL BY A SOLVENT EXTRACTION-SPECTROPHOTOMETRIC METHOD USING 2-NITROSO-5-DIMETHYLAMINOPHENOL JAPAN ANALYST, 1971, 20 (12): : 1507 - &
- [5] NEW EXTRACTION-SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF PHOSPHATE CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1978, 56 (13): : 1729 - 1738
- [6] EXTRACTION-SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF SILICO TRACES DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1992, 45 (03): : 61 - 64
- [7] EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF COBALT AND NICKEL IN CONC SODIUM-CHLORIDE SOLUTIONS FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1977, 284 (03): : 206 - 207