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DANIEL MCTAVISH
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DANIEL MCTAVISH
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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B25/00—Phosphorus; Compounds thereof
C01B25/16—Oxyacids of phosphorus; Salts thereof
C01B25/18—Phosphoric acid
C01B25/20—Preparation from elemental phosphorus or phosphoric anhydride
C—CHEMISTRY; METALLURGY
C05—FERTILISERS; MANUFACTURE THEREOF
C05B—PHOSPHATIC FERTILISERS
C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
C05B1/04—Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
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Inorganic Chemistry
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FR474380D1914-04-171914-04-17
Improvements in the manufacture of phosphoric acid and phosphates
ExpiredFR474380A
(en)