Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Unable to precipitate nickel
Dear Sirs,
We have in recycling unit for Nickel Sludge.We have one compound bought from pigment industry which shows content of 20% Nickel as metal in spectroanalysis but when we try to precipitate the same to nickel hydroxide we are not getting the precipitate. Kindly let us know the reason and solutions.
Thanking you,
pilot chemicals - Secunderabad, Andhra Pradesh, India
2004
What is the nickel compound and where did it come from? I suspect it is heavily complexed and the complex is so strong that it inhibits the precipitation of nickel by conventional methods. This is sometimes found with electroless nickel solutions. Without adequate information no one can accurately help you and any forthcoming suggestions may be totally erroneous and hence waste your time and money.
Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK
2004
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