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2 answers

In my labs I always used chromic acid, and it is an easy very accurate test.

2007-01-11 02:18:38 · answer #1 · answered by Anonymous · 0 0

it's a lot easier to see and be accurate. you should always run both a positive and negative control to insure accuracy

2007-01-11 14:55:23 · answer #2 · answered by shiara_blade 6 · 0 0

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