ITEM NAME:10ml Glass Test Tube Round Bottom with Glass Stopper Cap for Lab Description: - Glass Graduated Test Tube - Clear and accurate metric scale. - with plug - High quality inert 3.3 borosilicate glass - low linear coefficient of expansion and high annealing point Specification: - Scope: - scooping up a liquid or solid reagent; - heat a small amount of solid or liquid; - preparation of a small amount of gas reactor; - collect a small amount of gas; - dissolved a small amount of gas, liquid or solid solute; - in normal temperature or heated. used as a small amount of reagents reaction vessel Package Included: 1x Glass Test Tube Round bottom with glass stopper cap.In normal temperature or heated. used as a small amount of reagents reaction vessel. - heat a small amount of solid or liquid;. - High quality inert 3.3 borosilicate glass. - low linear coefficient of expansion and high annealing point.