Friday, December 18, 2009

How i prepare the bromocresol green indicator (blue to yellow) from its powder?

Bromocresol green acid-base indicator solution:


pH Range 3.8 to 5.4, Color change Yellow to Blue





Accurately weigh 0.1 g of bromocresol green into a brown container flask. Add 14.3 ml of 0.01 M NaOH + 235.7 ml distilled and deionized water and swirl to dissolve (Lide 1991).


http://www.gsf.fi/foregs/geochem/foregs7鈥?/a>

No comments:

Post a Comment