Hydrion Insta-Chek pH Papers provide:
A direct reading pH paper with the widest range available in a single paper
A simple, single color match for all pH values
Distinct and easily matched color separations
Accurate,...
Mfr #: NSPSSCA-M | Manufacturer: North
Five (5) layer PE and EVOH constructions provides excellent chemical resistant to over 280 different chemicals including alchohols, aliphatics, aromatice, chlorines, ketones...