Universal indicator test papers pH 1-11, for use in laboratory, food service, education, environmental, cosmetics, industrial and water treatment.<
Range pH 1 to 11 in clear colour coded steps. Colour chart is on the side of the plastic dispenser. Box of 10 books with twenty strips. 5m of 6mm paper.
Universal indicator test paper pH 1-14, for use in laboratory, food service, education, environmental, cosmetics, industrial and water treatment.
Range pH 1 to 14 in clear colour coded steps.
Colour chart is on the side of the plastic dispenser.
5m of 6mm paper.
Universal indicator test papers pH 1-14, for use in laboratory, food service, education, environmental, cosmetics, industrial and water treatment.<
This test paper covers the range pH1 to 14. Box of 10 books each of 20 leaves, 65 x 10mm. 12 colour matches are printed on each book cover.
Red Litmus test papers, will turn blue in basic solutions, for use in education and industry.
Range pH 8-5, colour change. 10 books each with 20 strips.
Blue Litmus test papers, will turn red in acidic solutions, for use in education and industry.
Neutral Litmus test papers, will turn red in acidic solutions, and blue in acidic solutions. For use in education and industry.
Colour change to red or neutral. 10 books each with 20 strips.
Cobalt Chloride test papers can quickly and economically measure the presence of relative humidity in the atmosphere. The paper is directly exposed
Heat sensitive, colour change blue to pink with moisture. Depending upon humidity, papers may be pink on receipt and will need drying before use. Box of 10 books.