Corning Pyrex 5640-6L Borosilicate Glass 6L +/- 2.0mL Flat Bottom Class A Heavy Duty Volumetric Flask, with Glass Standard Taper Stopper

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Price: $389.45 $339.23   

Product Feature

• Capacity: 6000mL; height 550mm; outer diameter: 230mm; tolerance: +/- 2.0mL
• Made from borosilicate glass code 7740
• Flat bottom volumetric flask has a No. 38 standard taper stopper made from pennyhead glass - and a long neck style
• Flask provides improved lab convenience - broad selection - and precise volume measurement
• Manufactured to Class A tolerances as established by ASTM E-694 - ASTM E-542 - and ASTM E-288

Product Description

These PYREX 6L volumetric flasks provide improved lab convenience - broad selection - and precise volume measurement. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 38 standard taper glass stoppers. The graduation line is sharp and permanent and large white block letters make the inscription easy to read. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E-694 for volumetric ware - ASTM E-542 for calibration of volumetric ware - and ASTM E-288 for volumetric flasks. Material: borosilicate glass code 7740. Capacity: 6000mL. Flask style: volumetric. Flask shape: flat bottom. Top style: standard taper stopper. Neck style: long. Stopper style: pennyhead glass. Standard taper stopper number: No. 38. Flask feature: heavy duty. Accuracy class: Class A. Feature: reusable. Tolerance: +/-2.0mL. Height: 550mm. Outer diameter: 230mm. Corning #: 5640-6L.

Corning Pyrex 5640-6L Borosilicate Glass 6L +/- 2.0mL Flat Bottom Class A Heavy Duty Volumetric Flask, with Glass Standard Taper Stopper Review

Compared to using a 1L or 2L flask, this allows a single batch to be prepared with fewer measurements and greater accuracy. The flask appears sturdy and stable. The product picture shows a smaller flask size. The bottom is larger than illustrated, similar in proportion to a 1L flask.

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