Topic: Red P Method For Methamphetamine
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How could you use red cabbage extract as a quantitative method fo...
You will get a color change across the entire pH range. I would call this qualitative. You could "standardize" your red cabbage juice using a pH probe or other pH indicator. Percission would still be an issue..... Read More »
Source: http://answers.yahoo.com/question/index?qid=20080128161743AAGhKvP
