Number | Name | Date | Kind |
---|---|---|---|
3150177 | Kluge | Sep 1964 | |
3184508 | Kaasenbrood | May 1965 | |
3846298 | Plura et al. | Nov 1974 | |
3903158 | Fuentes et al. | Sep 1975 | |
4345099 | Young et al. | Aug 1982 |
Number | Date | Country |
---|---|---|
146268 | Dec 1978 | JPX |
Entry |
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Redemann et al., Ind. and Eng. Chem, vol. 50, No. 4, (1958), pp. 633-636. |
"Determination of Biuret in Urea by Ion Exchange Resing," Soil and Plant Food, vol. 3, No. 3, Jan. 1958, pp. 142-144, Takahashi and Yoshida. |
"Determination of Biuret in Urea and Mixed Fertilizers" Analytica Chemica Acta., vol. 41, (1968), pp. 113-120, Geurts, Steele and Brinkman. |
Rohm and Haas Product Bulletin "Amberlite" IRA-400, Bulletin IE-16-56, revised Apr. 1956. |