共 50 条
- [32] Available phosphoric acid content of ammoniated superphosphateINDUSTRIAL AND ENGINEERING CHEMISTRY, 1932, 24 : 44 - 49Keenen, FG
- [33] EXTRACTION-PHOTOMETRIC DETERMINATION OF ARSENIC IN PHOSPHORIC-ACID AND ITS SALTSINDUSTRIAL LABORATORY, 1976, 42 (07): : 1031 - 1032LAPKINA, EDBEISEMBAEVA, GB
- [34] EXTRACTION-PHOTOMETRIC DETERMINATION OF FLUORIDE IN PHOSPHORIC-ACID AND FORAGE PHOSPHATESJOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1990, 45 (11): : 1600 - 1603KOSTADINOVA, LSELENKOVA, NGNEDELCHEVA, TK
- [35] PHOTOMETRIC METHOD FOR DIRECT DETERMINATION OF AVAILABLE PHOSPHORUS IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1961, 44 (02): : 233 - +HOFFMAN, WMJOHNSON, FJGEHRKE, CWBURCH, WGBRABSON, JA
- [36] ALKALIMETRIC DETERMINATION OF PHOSPHORIC ACID AND PHOSPHATESACTA CHEMICA SCANDINAVICA, 1953, 7 (05): : 735 - 740RANCKEMADSEN, EKJAERGARD, T
- [37] Phosphoric acid for determination of melting pointsINDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1930, 2 : 0287 - 0287Snell, FD
- [38] Contribution to the determination of phosphoric acid volumetricallyJOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1907, 29 (1/12) : 1314 - 1315Richardson, WD
- [39] On the determination of phosphoric acid as phosphomolybdic anhydrideJOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1900, 22 (10) : 652 - 658Sherman, HCHyde, HSJ
- [40] VOLUMETRIC METHOD FOR DIRECT DETERMINATION OF AVAILABLE PHOSPHORUS IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1961, 44 (02): : 229 - +HOFFMAN, WMFERRETTI, RJ