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Forum index » Science and Technology » Engineering » Chemical
Qualitative determination of Cr III from steel plates
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naomiuh@yahoo.com
science forum beginner


Joined: 11 Oct 2005
Posts: 3

PostPosted: Tue Oct 11, 2005 12:15 pm    Post subject: Qualitative determination of Cr III from steel plates Reply with quote
Hallo,
I have to develop a method of determination of Cr III on chromatated
(E-Passivated)steel plates. For Cr VI there is a method developed (ISO
3613) based on DPC (diphenylcarbazide) solution (place a drop of DPC
solution on a chromatated plate and if Cr VI is present a red-violet
colour apears), a similar method I would have to develop for Cr III.
Does anyboday can give me any sugestions?
Thanks is advance
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