Borosilicate Glass Gas Measuring Tube with Sealed End and White Graduations Capacity:50mL Selectable DC voltage at 1

Selectable DC voltage at 1

PREMIUM QUALITY || Features chemical resistant blue printing - Individually calibrated to deliver (TD) precise volume - With custom foam packaging for safe transport and storage - All contents are included in a single package

then allow medium to cool and harden

Used in endothermic-dissolution demonstrations (cold packs) and as an oxidizer

blood typing trays

Borosilicate Glass Gas Measuring Tube with Sealed End and White Graduations Capacity:50mL Selectable DC voltage at 1Sealed end eudiometer tube for measuring volumes of gas collected over water, with white printed graduations for high contrast reading in physics and chemistry demos.