| 摘要 |
PCT No. PCT/FR96/01233 Sec. 371 Date Aug. 19, 1998 Sec. 102(e) Date Aug. 19, 1998 PCT Filed Aug. 2, 1996 PCT Pub. No. WO97/12836 PCT Pub. Date Apr. 10, 1997Nickel hypophosphite is prepared by ion exchange on a carboxylic between nickel sulphate and hypophosphorous acid. The product thus obtained, both in the form of an aqueous solution and of a crystalline salt, is intended in particular for the preparation of chemical nickel plating baths.
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