Class A Volumetric Flask with Plastic Stopper

Class A volumetric flasks, with a fitted polyethylene stopper and calibrated to contain. Made by Bomex from borosilicate glass with a heavy tubing neck. Each flask has a single, permanent graduation line etched into the neck of the flask, and its capacity has been printed on the side. Meets ASTM E-288 Class A Specifications.

*200ml flask is Sibata brand with a green snap cap

Capacity:	Dimensions(OD x H):	Tolerance:	Markings:	Stopper:
10ml	36 x 90mm	±0.02ml	White	White polyethylene stopper
25ml	37 x 110mm	±0.03ml	White	White polyethylene stopper
50ml	49 x 140mm	±0.05ml	White	White polyethylene stopper
200ml*	75 x 210mm	±0.15ml	White	Green Plastic Snap Cap
250ml	80 x 220mm	±0.15ml	Blue	White polyethylene stopper
500ml	100 x 265mm	±0.25ml	White	White polyethylene stopper
2000ml / 2L	160 x 375mm	±0.6ml	Brown	White polyethylene stopper

Volumetric flasks are a must have for any chemistry lab to accurately manufacture or mix standard solutions. For solutions prepared by weight/volume ratios, a volumetric flask will fit on a standard triple beam or digital balance. They can also be used to compliment your kitchen as an oil or vinegar dispenser.

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