Solutions of ammonium sulfate, ammonium nitrate and urea, with high nitrogen and sulfur content, having low salt-out temperatures

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专利权人:

ALLIED-SIGNAL INC.

发明人:

MAYER, RICHARD E.

申请号：

US19880179820

公开号：

US5082487(A)

申请日:

1988.04.11

申请国别(地区):

美国

年份:

1992

代理人:

摘要：

Useful fertilizer solutions of high nitrogen and high sulfur content can be prepared from ammonium sulfate, ammonium nitrate and urea in water. By selecting proper ratios, low salt-out temperatures can be achieved to use optimum amounts of inexpensive urea.

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中国工程科技知识中心

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