High-performance syringe is gas-tight, liquid-tight, and for use in liquid and gas chromatography. Luer-Lock Tip. May also be used for corrosive liquids and gases, sterile solutions, and radioactive materials. Annealed, borosilicate glass barrel is optically-smooth, with Teflon^®-coated plunger. Inert, leak-tight seal provided by machined Teflon^® tip. Sample loss in pressure applications is less than 3 µl/hour at 7 atmospheres. Needle not included.