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Merck
CN

Movement away from phenolphthalein in laxatives.

JAMA (2009-05-07)
James Murphy
MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Phenolphthalein, ACS reagent
Sigma-Aldrich
Phenolphthalein solution, 0.5 wt. % in ethanol: water (1:1)