Chemistry: electrical and wave energy – Processes and products
Patent
1986-12-17
1988-06-14
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
204 446, 204 47, C25D 350, C25D 352
Patent
active
047509775
ABSTRACT:
Platinum black is electrochemically plated onto a conductive substrate, such as a platinum electrode, by positioning a counter electrode and the conductive substrate in a platinum(IV) ion plating solution. An electric current is passed through the counter electrode, substrate and plating solution for a predetermined period of time. The plating solution and conductive substrate are subjected to ultrasonic agitation while the plating is carried out. The plating solution preferably includes chloroplatinic acid and lead ion.
REFERENCES:
patent: 4152233 (1979-05-01), Chand
A. M. Feltham and M. Spiro, "Platinized Platinum Electrodes", 71 Chem. Rev. 177-193 (1971).
S. I. Uspenskii and M. A. Shluger, "The Effect of Ultrasonics on Cu Electrodeposition", 2 Elektrokhimiya 243 (1966), English language abstract only.
S. R. Rich, "Improvement in Electroplating Due to Ultrasonics", 42 Plating 1407-1411, and title page (1955).
F. I. Kukoz and L. A. Kokoz, "Formation of Nonporous Galvanic Deposits of Platinum in an Ultrasonic Field", 39 Zh.Prikl.Khim 705-707 (1966).
V. Cupr, "The Use of Ultrasonic Waves in Electrochemistry", 32 Chem. Listy 215-218 (1938). Czech article and English translation.
Bacharach, Inc.
Kaplan G. L.
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