Eisco - 5000mL Borosilicate Volumetric Flask Class A with Hollow Glass Stopper White Print with Certificate for Analytical Chemistry Pharmaceutical and Laboratory Use

• CLASS A CERTIFIED FOR ACCURACY || Precision etched single graduation mark ensures reliable measurement with a ±1.20mL tolerance.
• INCLUDES CERTIFICATE || Each flask includes an individual work certificate confirming conformance with Class A ISO 1042 standards.
• BOROSILICATE GLASS BUILD || Made from borosilicate 3.3 glass for high thermal resistance, durability, and chemical stability.
• HOLLOW GLASS STOPPER INCLUDED || Comes with a 34/35 hollow ground glass stopper for secure sealing and repeatable use.
• AUTOCLAVABLE & LAB READY || Resistant to thermal shock; autoclavable at 121°C; ideal for preparing accurate volumes in large-scale experiments.

The Eisco 5000mL Class A volumetric flask is ideal for preparing and storing precise volumes of solutions in advanced laboratory settings. Made from borosilicate 3.3 glass, the flask features exceptional chemical resistance, low thermal expansion, and the ability to withstand high temperatures and thermal shock.

It includes a single etched graduation mark in white print, with a ±1.20mL tolerance for Class A accuracy, as well as a 34/35 hollow ground glass stopper. Each flask comes with an individual work certificate in accordance with ISO 1042. At 475mm (about 19 in) in height without stopper, and 508mm (about 20 in) with stopper, it is suitable for large-scale laboratory applications and is autoclavable at 121°C for sterilization and repeated use. Diameter at widest part of flask is approx. 228mm, or 9 inches.