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pHAST TEST pH Indicator
pHAST TEST is a ready to use surface alkalinity tester for stucco, masonry, concrete and painted surfaces.
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Phenol Liquified
Aqueous solution of phenol is weakly acidic and turns blue litmus slightly to red. Phenol is easily neutralized by sodium hydroxide forming sodium phenate or phenolate, but it being weaker than carbonic acid cannot be neutralized by sodium bicarbonate or
