Class A Borosilicate Glass Graduated Cylinder with Hexagonal Base, White Graduations Subcategory_Iodine Flasks This single sensor can take

This single sensor can take the place of several voltmeters in your classroom

or home use

Pack of 50 solid rubber stoppers in assorted sizes provides acid and alkali resistance for comprehensive laboratory vessel sealing applications

Pack of 24 rimless light-wall test tubes holds 25mL with marking spots and 18 x 150mm dimensions for sample identification in laboratory use

Used to track the red-to-yellow transition between pH 4

Class A Borosilicate Glass Graduated Cylinder with Hexagonal Base, White Graduations Subcategory_Iodine Flasks This single sensor can takeHigh contrast white printed graduations remain legible against dark or colored solutions, with a hexagonal base that resists rolling during benchtop titration work.