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Sigma Aldrich Fine Chemicals Biosciences Phenol Red sodium salt50G
Supplier: Sigma Aldrich Fine Chemicals Biosciences P475850G
Phenol Red sodium salt is widely used as a pH indicator. At a pH of 6.4 and below phenol red SOLUTIONon will have a yellow color. At a pH of 8.2 and above it will have a red color. It is commonly used in culture media to detect neutral to acidic pH changes.
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