共 50 条
- [1] COMPARISON OF METHODS FOR DETERMINING SODIUM IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1981, 64 (03): : 704 - 708
- [2] PRELIMINARY COMPARISON OF METHODS FOR DETERMINING SODIUM IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1980, 63 (03): : 551 - 553
- [3] COMPARISON OF POTASSIUM CONTENT OF FERTILIZERS BY ATOMIC ABSORPTION AND SODIUM TETRAPHENYLBORON JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1967, 50 (01): : 5 - &
- [5] COLLABORATIVE STUDY OF AUTOMATED METHOD FOR K2O IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1971, 54 (03): : 646 - +
- [6] COLLABORATIVE STUDY ON AN AUTOMATED METHOD FOR K2O IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1970, 53 (03): : 456 - &
- [7] AUTOMATED FLAME PHOTOMETRIC DETERMINATION OF K2O IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1975, 58 (05): : 923 - 927
- [8] COMPARISON OF POTASSIUM CONTENT OF FERTILIZERS BY ATOMIC ABSORPTION AND SODIUM TETRAPHENYLBORON (STPB) JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1966, 49 (06): : 1277 - +
- [9] COLLBORATIVE STUDY ON A MODIFIED STPB METHOD FOR K2O IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1969, 52 (03): : 566 - +
- [10] FLAME PHOTOMETRIC-DETERMINATION OF K2O IN FERTILIZERS - COLLABORATIVE STUDY JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1983, 66 (05): : 1242 - 1250