共 50 条
- [2] SPECTROPHOTOMETRIC DETERMINATION OF ELEMENTARY SULFUR IN SULFURIC-ACID INDUSTRIAL LABORATORY, 1986, 52 (04): : 296 - 297
- [3] RAPID DETERMINATION OF SELENIUM IN ANODIC AND SULFURIC ACID SLUDGES INDUSTRIAL LABORATORY, 1965, 31 (05): : 668 - &
- [5] ATOMIC-ABSORPTION SPECTROPHOTOMETRIC DETERMINATION OF ULTRAMICRO AMOUNTS OF SELENIUM(IV) AND TOTAL SELENIUM IN SULFURIC-ACID FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1981, 308 (05): : 448 - 451
- [6] SELENIUM SLURRIES EXTRACTION IN SULFURIC-ACID PRODUCTION KHIMICHESKAYA PROMYSHLENNOST, 1983, (02): : 98 - 101
- [7] SPECTROPHOTOMETRIC DETERMINATION OF MONOSACCHARIDES WITH THYMOL IN CONCENTRATED SULFURIC-ACID DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1988, 41 (06): : 39 - 42
- [8] SPECTROPHOTOMETRIC DETERMINATION OF SALICYLALDEHYDE USING CONCENTRATED SULFURIC-ACID FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1979, 294 (01): : 43 - 44