bromothymol blue indicator

شاخص اسید-باز آبی تیمول بلو مواد شیمیایی بیولوژیکی CAS 76-59-5 رنگ‌ها

Acid-Base Indicators Biological Chemicals Bromothymol Blue CAS 76-59-5 Dyes Introduction: Bromothymol blue is an acid-base indicator with a color change range of pH 6.0 (yellow) to 7.6 (blue). Ordinary water is neutral, with a pH of about 7, which is almost light green. Bromothymol blue is a ...