bromothymol blue indicator

অ্যাসিড বেস ব্রোমোথাইমল ব্লু নির্দেশক জৈবিক রাসায়নিক CAS 76-59-5 রঞ্জক

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 colorless or light rose crystalline powder, which is easily soluble in alcohol, dilute alkaline solution and ammonia water, and slightly soluble in water. It turns yellow in acidic