共 50 条
- [46] POLAROGRAPHIC-DETERMINATION OF KJELDAHL NITROGEN JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1982, 65 (01): : 178 - 180
- [47] POLAROGRAPHIC-DETERMINATION OF OPIANIC ACID KHIMIKO-FARMATSEVTICHESKII ZHURNAL, 1976, 10 (07): : 144 - 148
- [48] INDIRECT POLAROGRAPHIC-DETERMINATION OF PHOSPHORUS JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1983, 38 (09): : 1247 - 1250