Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1980-12-30
1982-10-26
Lander, Ferris H.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 34, 71 59, 71 61, 71 63, 71 6408, 71 6410, C05G 106, C05C 900
Patent
active
043560210
ABSTRACT:
A homogeneous, zinc-containing liquid fertilizer concentrate is prepared by mixing, in aqueous solution, ammonium thiosulfate and zinc oxide. This zinc-containing concentrate is suitable for mixing with a liquid fertilizer preparation such as aqueous ammonium polyphosphate to prepare a complete zinc-containing fertilizer solution. The nutrient value of the concentrate and the fertilizer can be enhanced by the addition of a potassium salt or nitrogen solution. The long-term stability of the fertilizer solution can be improved by the addition of attapulgus clay.
REFERENCES:
patent: 3520651 (1970-07-01), Philen
patent: 3620708 (1971-11-01), Ott
patent: 3951639 (1976-04-01), Windgassen
patent: 3981713 (1976-09-01), Tucker
patent: 4210437 (1980-07-01), Windgassen et al.
patent: 4239522 (1980-12-01), Wilson
Lander Ferris H.
Phillips Petroleum Company
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