Liquid purification or separation – Processes – Chemical treatment
Patent
1989-12-22
1991-09-17
Silverman, Stanley S.
Liquid purification or separation
Processes
Chemical treatment
210694, 210724, 204 49, 204DIG13, C02F 172, C02F 158
Patent
active
050492861
ABSTRACT:
An improved process for purifying a nickel plating bath including a pyridine composition as an additive and which bath contains a breakdown product of the pyridine composition. The process has the following steps:
REFERENCES:
patent: 3122490 (1964-02-01), Strauss
patent: 4067785 (1978-01-01), Pluss et al.
patent: 4120859 (1978-10-01), Pluss et al.
patent: 4696749 (1987-09-01), Habermann et al.
The Merck Index, 10th Ed. (1983), p. 7545.
Nickel and Chromium Plating, J. K. Dennis, T. E. Such, John Wiley & Sons, pp. 143 and 109 (1972).
McCarthy Neil M.
Mueller Richard P.
OMI International Corporation
Silverman Stanley S.
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