#08-046 Hexavalent Chromium Initial Test

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Uploaded by on Jul 22, 2008

I conduct a simple observational test of adding ferrous sulfate and lime to my water samples.

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Science & Technology

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  • What? How about a real (quantitative) test for residual hexavalent chromium? But that would cost money ;-(

  • Did you try adding another1/4tsp to the 1st batch? how much does it  take to make it totally clear?

  • I just read that ascorbic acid (vitamin c) reduces Cr(VI) to Cr(III). Have you tested that?

  • Impressive!

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