The processes,characters and uses about the short chain and oligomeric agricultural ammonium polyphosphate are described by condensation method between phosphoric acid and urea.

　
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  • 重點(diǎn)介紹磷酸與尿素縮合法生產(chǎn)農用短鏈低聚磷酸銨的生產(chǎn)方法、性質(zhì)、用途。
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