Number | Name | Date | Kind |
---|---|---|---|
2500727 | Whittaker | Mar 1950 | |
3130063 | Millman et al. | Apr 1964 | |
4002487 | Conley | Jan 1977 | |
4374203 | Thompson et al. | Feb 1983 |
Entry |
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Amberlite Ion Exchange Resins Laboratory Guide, Rohm and Haas Company, Philadelphia, Sep. 1979. |
Hawley; G. Gessner, The Condensed Chemical Dictionary, Ninth Edition, Van Nostrand Reinhold Company, New York, 1977, pp. 38 and 471. |