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,...
The Sodium Azide Solution is a clear liquid chemical that is classified as hazardous and toxic. This chemical has an assay of 4.90 - 5.10 %. It is a N.I.S.T. traceable solution and is composed of purified water. This...
Snug-fitting lid prevents accidental separation if dropped
Use in mechanical freezers or liquid nitrogen tanks to –196°C
Constructed of sturdy cardboard with moisture-repellent coating
Designed with small holes on...