• Biological Products

 

Francelab is offering a wide range of sera, cell culture media for Research and Development and Quality Control laboratories in the field of Lifesciences and Biopharmaceuticals.

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Phenol Red

Phenol red is used as a pH indicator. The sodium salt of phenol red is used widely in culture media to identify changes from neutral to acidic pH values. A solution of phenol red will have a yellow color at a pH of 6.4 or below and a red color at a pH of 8.2 and above.