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Alternate to use of K2CrO7 as a reagent?




We are currently using Potassium Dichromate as reagent, which is hexavalent chrome which is hazardous for environment.

I want to know the alternate compound which is cost effective?

Wasi Shareef
Mechanical Engineer - Karachi, Sind, Pakistan
2004



There is no across-the-board substitute for potassium dichromate (or anything else); it depends on exactly what you are using it for: Cooling water additive, corrosion resistant coating for aluminum, post dip after phosphate treatment, etc.

Please give us your application.

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha

finishing.com - Pine Beach, New Jersey

Ted is available for instant help
or longer-term assistance.

2004



Hi,

My application for using this solution is to clean the inner surface of capillary silica fiber. Is there any substitution for this solution? Thanks

Pei-Yu Chung
- Gainesville, Florida
February 16, 2009



February , 2009

Hi, Pei-Yu. Sorry, I'm not familiar with capillary silica fiber and what the dichromate removes.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha

finishing.com - Pine Beach, New Jersey

Ted is available for instant help
or longer-term assistance.





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