Volumetric Flask

The strength of these flasks has been increased appreciably through machine-blown bodies. Sealed, heavy-beaded, heavy-tubing necks are tooled for snap-cap fit. Graduation line is sharp, permanent and large; white block letters make the inscription easy to read. 1 mL and 2 mL sizes are…

…is easy with wide-mouth, volumetric flasks Superior strength, durability and safety from heavy, uniform walls Quick identification with large, permanent, easy-to-read markings Flat interior bottoms for stirring with standard stir bars Accuracy - graduated to Class A volumetric tolerances

…make the inscription easy to read. The 1 mL and 2 mL sizes are test tube shaped.  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.

Permanent graduation line Machine-blown bodies Heavy-beaded, heavy-tubing necks are tooled for polyethylene stopper Stopper is made with a closed bottom and is of linear, high-density polyethylene to conform to Standard Taper stopper dimensions

These borosilicate glass volumetric flask sizes comply with requirements for Type 1, Class A "Unserialized flasks". They are supplied with a standard taper penny head glass stopper. Calibrated "to contain" at 20°C. Reference: ASTM E288 and Federal Specifications NNN-F-289. …

…Height dimension is for flask only, without stopper. The accuracy of volumetric ware depends on the care used in calibrating it, using the correct type of ware for the application, handling the ware properly and ensuring the ware is clean. Calibration of volumetric ware is usually done at…

…(4997L15 to L65) Flasks have marking spots on all sizes 10 mL and larger. The 2 mL size is test tube shaped; all other sizes are conventional flask shape. The 5 mL and larger sizes are designed from requirements for Type 1, Class A “unserialized” flasks of Federal Specification…

Accuracy of standard glass flasks combined with the break resistance of plastic Leakproof No meniscus to confuse readings Gravimetrically calibrated individually TC/TD at 20°C, then marked with a permanent color graduation line. Oval marking spot has additional line at 203 mL level for BOD and…

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Batch certified.

Amber stained volumetric flasks are manufactured per ASTM E-288 Class A Serialized glassware specifications. Calibrated to contain (TC), these flasks feature white enamel printing and diamond etched graduation line. Our flasks feature heavy-duty and uniform wall thickness and a wide mouth design for…

NIST Traceable Barrel-shaped glass stopper Meets ASTM Standard E 694 and E 288 Designed from Federal Specification NNN-F-289, Type 1, Class A Serial number, marking spot and stopper

…is easy with wide mouth, volumetric flasks Superior strength, durability and safety from heavy, uniform walls Quick identification with large, permanent, easy-to-read markings Flat interior bottoms for stirring with standard stir bars Accuracy - graduated to Class A volumetric tolerances

Molded to class B tolerance in translucent polypropylene with a mixing chamber at the top and a tooled neck. Each flask is individually calibrated. Supplied complete with polypropylene stoppers and have the material and temperature characteristics printed in green.

…to the following tolerances: 1 mL: ±0.01 mL; 2 mL: ±0.015 mL; 5 and 10 mL: ±0.02 mL; 25 mL: ±0.03 mL 1, 2 and 5 mL flasks take Standard Taper 8 stopper; 10 and 25 mL flasks take Standard Taper 9 stopper For micro-chemical work, sizes 1 through 5 mL are designed in accordance with the…

Calibrated "to contain" (TC) at 20°C, these Class A, borosilicate glass, wide mouth flasks are designed to provide pipette access along with facilitating filling and sampling. Unique flat bottom interior permits use of a standard stir bar. The heavy wall thickness gives greater…

Calibrated "to contain" at 20°C Accuracy tolerances approximately twice those specified for Class A

…1 mL: ±0.01 mL; 2 mL: ±0.015 mL; 5 and 10 mL: ±0.02 mL; 25 mL: ±0.03 mL 1, 2 and 5 mL flasks take Standard Taper 8 stopper; 10 and 25 mL flasks take Standard Taper 9 stopper For micro-chemical work, sizes 1 through 5 mL are designed in accordance with…

Capacity: 500mL Tolerance: ±0.20mL Rubber Stopper Size: 9 Approx. Height: 264mm

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included.

These PYREX VISTA volumetric flasks are designed for use by customers that do not require the precision accuracy of our Class A capacity flasks. The shape, body and wall are the same as regular flasks but display the large blue marking spot and designation "PYREX VISTA" unique to the PYREX…

Calibrated "to contain"; tolerances are within Class B specifications With marking spot and polyethylene snap cap