Feature standard ground-joint glass stoppers that are with convenient ring-shape top for easy operation and closed tip for smooth stopper-in & stopper-out, these Erlenmeyer flasks are applicable for impeding evaporation of volatile contents. The Iodine flasks are for assigned use of iodine determination, e.g., the content of unsaturated fatty acids in oils and fats.

· Made of borolicate 3.3 glass material, autoclavable

· Supplied with standard ground-joint glass stoppers that are with convenient right top for easy operation

· Feature white printed graduations and writing area

· Uniform wall thickness, enables ideal heat conductivity