Eisco Amber Volumetric Flask, 250mL – Class A – Borosilicate Glass, Polyethylene Stopper, 14/23 Socket – QR Code Marking for Calibration Certificate

Features

• CALIBRATION QR CODE ON FLASK || Scan the QR code printed directly on the body of the flask to retrieve a PDF of the calibration batch certificate. Works best if you hold the flask over a solid black background.
• INDUSTRIAL STRENGTH || Made of high quality, heavy duty, borosilicate 3.3 glass. It is microwavable and autoclavable, and can withstand high temperatures and thermal shocks.
• 250mL CAPACITY || Flask has a 250mL capacity and features a single white graduation mark. Class A tolerance, +-0.150mL. Mouth has a 13mm inner diameter. Flask size: 3.25″ diameter x 8.88″ tall.
• POLYETHYLENE STOPPER || The flask has an NS14/23 size socket fitted with an inert, chemically-resistant polyethylene stopper. This lightweight stopper is durable and flexible, designed to provide a secure seal even after repeated use.
• CLASS A AMBER GLASS || Conforms to ISO 1042 standards. Amber glass protects the contents from UV and blue light, preventing photodegradation and other light-induced reactions.