Talk:Bromothymol blue
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Place bromothymol blue in a jar with a plant. Bromothymol blue is then "exposed" to carbon dioxide (exhale into jar). Bromothymol Blue is now yellow color. During photosynthesis, the plant takes in carbon dioxide and gives out oxygen. will bromothhymol blue turn blue again
I'm not so sure that stomach contents will be blue; the pH of the stomach should make them yellow, surely? Brythain 01:53, 11 May 2007 (UTC)
[edit] Ingestion
"Ingesting BTB will color urine brightly blue for a day and will also color stomach content similarly. "
I've removed the above sentence from the article for two reasns. First, the claim is unsourced. Second, putting something like this into an article without warnings regarding health effects (toxic/carconigen) is a terrible idea. What if someone decides to test this? Besides, the information isn't necessary or even relevant to the rest of the article.--Bfesser 02:49, 18 June 2007 (UTC)
