共 50 条
- [1] DIRECT DETERMINATION OF AVAILABLE PHOSPHORIC ACID IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1953, 36 (03): : 872 - 879ALLEN, HR
- [2] REPORT ON PHOSPHORIC ACID IN FERTILIZERS - DIRECT DETERMINATION OF AVAILABLE PHOSPHORIC ACIDJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1954, 37 (02): : 334 - 359JACOB, KDHOFFMAN, WM
- [3] REPORT ON PHOSPHORIC ACID IN FERTILIZERS - DIRECT DETERMINATION OF AVAILABLE PHOSPHORIC ACIDJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1955, 38 (02): : 421 - 435JACOB, KDHOFFMAN, WM
- [4] REPORT ON PHOSPHORIC ACID IN FERTILIZERS - DIRECT DETERMINATION OF AVAILABLE PHOSPHORIC ACID BY VOLUMETRIC AND PHOTOMETRIC PROCEDURESJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1953, 36 (03): : 632 - 644JACOB, KDHOFFMAN, WMSCHRAMM, FC
- [5] INSTRUMENTAL METHODS FOR THE DETERMINATION OF AVAILABLE PHOSPHORIC ACID AND POTASH IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1953, 36 (03): : 885 - 890AUSTIN, HCDENSON, WPEPPS, EA
- [6] Determination of phosphoric acid in fertilizersINDUSTRIAL AND ENGINEERING CHEMISTRY, 1924, 16 : 1180 - 1180Breckenridge, JE
- [7] A CONSTANT TEMPERATURE WATER BATH FOR USE IN DETERMINATION OF AVAILABLE PHOSPHORIC ACID IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1953, 36 (03): : 1023 - 1024SHRADER, JAALLEN, HR
- [8] DIRECT DETERMINATION OF AVAILABLE PHOSPHORIC ACID BY TITRATION OF AMMONIUM PHOSPHOMOLYBDATEJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1952, 35 (03): : 764 - 767ALLEN, HRSWIFT, EHAYS, RKAUFMAN, ZF
- [9] THE DETERMINATION OF AVAILABLE PHOSPHORIC ACIDCHEMISTRY & INDUSTRY, 1950, (50) : 799 - 801HAMENCE, JHTAYLOR, G
- [10] SPECTROPHOTOMETRIC METHOD FOR DIRECT DETERMINATION OF AVAILABLE PHOSPHORUS IN FERTILIZERS - USE OF DRY ASHING TO DESTROY CITRATEJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1965, 48 (04): : 859 - +BRAMMELL, WS