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Letter 34092
Zinc Potassium/Ammonium chloride vs
Potassium chloride/boric [Mexico]
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I wonder what are the advantages/disadvantages of using zinc
chloride plating solution that is based in Potassium
Chloride/Ammonium Chloride against Potassium Chloride/ Boric Acid.
Thanks Gracias
Guillermo Castorena
Jobshop plating - San Luis Potosi, SLP, Mexico
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Hello Guillermo,
I switched about 1 1/2 years ago and I must say I won't be going
back. Some of the everyday problems we used to see went away. The
anodes don't seem to film up, we don't have to shake them down, no
polarization, throws a bit better in the LCD areas, better temp
tolerence (although that depends on your brightener....oh yes, you
will probably have to switch brighteners...but mine was just a slide
in conversion), all around better in my experience.
I'd give it a try if you have the luxury.

Trent Kaufman
electroplater - Galva, IL
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WHAT ABOUT AMMONIUM IONS INTO EFFLUENT STREAM.
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Ajay Raina
Punjab, India
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Thanks both of you for the answers.
Indeed I am aware that potasium/ammonium chloride has operating
benefits however waste water treatment gets the negative side. That
is why I am wondering if the operating benefits overweigh the extra
costs in the water treatment.
Thanks a lot. Gracias!
Guillermo Castorena
Jobshop plating - San Luis Potosi, SLP, Mexico
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Raina has a good point and it was a concern. We monitored it
closely. It did have a slight negative effect on precipitation. We
added an aluminum sulfate mixture to our primary treatment tank and
that seemed to handle the problem.
So far, so good.
Trent Kaufman
electroplater - Galva, IL
+++++
Thanks a lot for the answers and the advice, guys!
That helped me a lot.
Gracias!
Guillermo Castorena
Jobshop plating - San Luis Potosi, SLP, Mexico
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