Environmentally Conscious and Economically Sound Machine Dismantling Forum > Madison, WI
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> New 200 litmus universal test papers ph 1-14 and fresh
New 200 litmus universal test papers ph 1-14 and fresh
1 Book Free = (220 sheets , 11 Books)
Manufactured by Johnson s of England these papers are of the highest quality and are used by schools, hospitals and universities up and down the country.
The box comes with a full pH 1 to pH 14 colour chart and instructions.
Simply dip the strip in the solution and check against the chart.
