共 50 条
- [23] THE DIRECT DETERMINATION OF AVAILABLE PHOSPHORUS IN FERTILIZERS BY THE QUINOLINIUM PHOSPHOMOLYBDATE METHOD JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1959, 42 (03): : 567 - 568
- [25] Insoluble phosphoric acid in acid phosphates and fertilizers - Some sources of error in its determination INDUSTRIAL AND ENGINEERING CHEMISTRY, 1923, 15 : 1037 - 1038
- [27] DIFFERENTIAL PHOTOMETRIC DETERMINATION OF IRON IN PHOSPHORITES, FERTILIZERS AND PHOSPHORIC-ACID EXTRACTION ZAVODSKAYA LABORATORIYA, 1972, 38 (11): : 1323 - 1323
- [28] SPECTROPHOTOMETRIC DETERMINATION OF ERGOT ALKALOIDS - A MODIFIED PROCEDURE EMPLOYING PARADIMETHYLAMINOBENZALDEHYDE LLOYDIA, 1963, 26 (03): : 192 - &
- [29] Direct determination of available P2O5 content of fertilizers INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1938, 10 : 0143 - 0152
- [30] DIRECT DETERMINATION OF AVAILABLE PHOSPHORUS IN FERTILIZERS - USE OF SODIUM CHLORATE TO DESTROY CITRATE JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1959, 42 (03): : 574 - 578