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Solid fertilizers -- Determination of mineral-acid-soluble sulfate content -- Gravimetric method
Pages:
Publication date: 1992-11-25
Fertilizers - Determination of phosphorus content - Quinoline phosphomolybdate gravimetric method
Pages: 3
Publication date: 1985-09-01
Fertilizers - Extraction of phosphates soluble in mineral acids
Pages: 2
Publication date: 1984-11-01
Fertilizers - Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method
Pages: 5
Publication date: 1983-12-01
Fertilizers - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
Pages: 4
Publication date: 1981-05-01
Fertilizers - Extraction of water-soluble phosphates
Pages: 1
Publication date: 1977-08-01