Johnson Test Papers- Phenolphthalein Papers
Johnson Test Papers Phenolphthalein Paper are a pH paper for use in brewing to detects detergents that haven’t been properly rinsed off.
Available as 10 books of 20 strips.
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		Product description
		A book of Qualitative pH papers for use in brewing, homebrewing, food and industrial industries. 
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		Additional information
		Additional information





 
			