Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1989-05-10
1990-05-22
Schor, Kenneth M.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156664, 436 55, 436 83, 134 3, C23F 100
Patent
active
049274929
ABSTRACT:
A process is disclosed for determining the dissolved zirconium content of a hydrofluoric acid-nitric acid etching bath for zirconium articles by determining the rise in temperature of a volume of the bath upon immersion therein of a known quantity of zirconium metal, immersing a known quantity of zirconium metal into a portion of the bath, measuring the rise in temperature over a predetermined period of time of said portion, determining the dissolved zirconium content of the bath as a function of the rise in temperature, and treating the bath dependent upon the dissolved zirconium content so determined to be in the bath.
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patent: 4105469 (1978-08-01), Megy et al.
patent: 4395302 (1983-07-01), Courduvelis
Schor Kenneth M.
Westinghouse Electric Corp.
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