共 50 条
- [41] DETERMINATION OF ELEMENTAL SULFUR, MERCAPTAN AND DISULFIDE IN PETROLEUM NAPHTHA BY DIFFERENTIAL-PULSE POLAROGRAPHY FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 1990, 337 (04): : 372 - 376
- [45] DETERMINATION OF HEAVY-METALS IN SAMPLES OF PLANT DRUGS BY DIFFERENTIAL-PULSE POLAROGRAPHY PHARMAZIE, 1995, 50 (04): : 302 - 302
- [46] DETERMINATION OF ELEMENTAL SULFUR, MERCAPTAN AND DISULFIDE IN PETROLEUM NAFTA BY DIFFERENTIAL-PULSE POLAROGRAPHY FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1989, 334 (07): : 622 - 623