Daily Archives: April 22, 2020

From left to right solutions of 0.1 M HCl, 3 buffer solutions of pH 3.78, 3 of pH 4.00, 3 of pH 4.62 and NaOH 0.1 M after adding different amounts of bromocresol green. — It’s easy to prepare bromocresol green indicator solution. Bromocresol green or BCG is a triphenylmethane dye used as a pH indicator for titration, microbial growth media, and DNA agarose gel electrophoresis. However, its most common use is to measure blood serum albumin levels in humans and other mammals when liver […]

How to Make Bromocresol Green Indicator Solution

This entry was posted on April 22, 2020 by Anne Helmenstine (updated on February 5, 2022)

Bromcresol Purple Chemical Structure — This is the recipe for bromocresol purple, which is a common pH indicator. The final solution will be 0.04% aqueous bromocresol purple. Bromocresol Purple Ingredients Bromocresol purple indicator is an aqueous solution of powdered dye. The solid is a dark violet powder, while the indicator solution is purple. It’s important […]

Bromocresol Purple Indicator Solution Recipe

This entry was posted on April 22, 2020 by Anne Helmenstine (updated on February 5, 2022)