Principles and practice of agricultural analysis. Volume 2 (of 3), FertilizersNote 98 — PART FIRST. PRELIMINARY TREATMENT AND PHOSPHATES. (continued 3)Reading editionZeitschrift für angewandte Chemie, 1891, Ss. 279, et seq.◇Copy noteReturn to PART FIRST. PRELIMINARY TREATMENT AND PHOSPHATES. (continued 3)