Johnson
Johnson Universal pH Indicator 1-11 (pkt)
Packaging:Pack
Quantity:
Johnson Test Papers Universal Indicator Paper pH 1 - 11, pH paper- for use in laboratory, food service, education, environmental / safety, cosmetics, industrial and water treatment.
- pH 1 - 11
- 10 books per pack (20 strips per book)
- Colour comparison chat included
- Made in United Kingdom