Offered to professionals who require consistent chemical quality, Duran® Messkolben, Blue Scale, Class A, USP-conform, Individual Certificate, With One Ring Mark, PE Stopper, NS 19/26, 500 ml is a high-precision volumetric flask designed for accurate liquid measurements. Crafted from borosilicate glass 3.3, this standard ground neck flask boasts an inner diameter of 19 mm and an outer diameter of 100 mm. It features a tolerance of ± 0.2 ml and a height of 260 mm. This Class A, USP-conform flask comes equipped with a PE stopper and a ground joint conforming to NS 19/26 standards. Ideal for quantitative laboratory work, this flask ensures precise results every time.

• Category: Volumetric Flasks Class A
• Volume [ml]: 500
• Lid material: PE
• Neck type: standard ground
• UNSPSC 13.5: 41101515
• Height [mm]: 260
• Inner diameter [mm]: 19
• Ground joint [NS]: 19 / 26
• Thread: no indication
• Tolerance ± [ml]: 0.2
• Brand: DURAN®
• Outer diameter [mm]: 100
• Material: borosilicate glass 3.3