Talk:Methyl red
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[edit] Value not matching
The pH range given in this article (4.4-6.2) does not match with the value given in PH indicator (4.4-6.3). Could somebody check the real figure and make the corresponding correction? Thanks. - LR4087 13:36, 24 October 2006 (UTC)
[edit] Extinction coefficient
Can someone please add the extinction coefficient to the methyl red site? —Preceding unsigned comment added by 138.9.24.209 (talk) 22:02, 8 April 2008 (UTC)