Product
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o-CRESOLPHTHALEIN
o-CRESOLPHTHALEIN colour pH indicator helpful for determination of calcium content
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AURIN p-ROSOLIC ACID
AURIN p-ROSOLIC ACID is yellowish or deep-red crystals with greenish metallic luster organic compound
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BROMOCRESOL PURPLE ACS GRADE
Bromocresol purple sodium salt has been also used as a pH indicator in the yeast culture media.