Class A Volumetric Flask

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.

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…

…Type 1, Class A “unserialized” flasks of Federal Specification NNN-F-289 and for precision grade flasks of ASTM specification E 288. Capacity/stopper size given in listings. Standard Taper ground mouth fitted with polyethylene stopper (4997N30 to N82) 2 mL flasks are not Class A

Polymethylpentene (PMP) and polypropylene (PP) volumetric flasks are an excellent break-resistant alternative to glass. Class A per DIN EN ISO 1042. Supplied with matching PP standard taper joint stoppers.

…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.

Volumetric flasks for microchemical work, sizes 1 through 5mL, are designed in accordance with the recommendations of the Committee of Microchemical Apparatus, Analytical Division of the A.C.S. Solid Standard Taper glass stopper and hexagonal base Calibrated to contain at 20°C, in…

…and permanent 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.

These borosilicate glass volumetric flasks are provided with a plastic closed-bottom stopper which fits the Standard Taper ground zone. Stopper design prevents the neck from breaking if flask is tipped over. Calibrated "to contain" (TC) at 20°C.

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. …

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

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…

…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. Individually serialized and certified. Our volumetric flasks feature QR code integration to facilitate…

Class A, USP, certified volumetric flasks. These are supplied with a glass stopper with a dripping tip. Available in both transparent and amber color. High contrast blue enamel print on transparent flasks and white on amber flasks represent the optimum combination of resistance and readability.…

Heavy Wall Available from 5mL-1000mL Individually Certified Class A Glass Stopper included

…is sharp and permanent. 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.

Transluscent flasks are supplied with a PFA screw cap. Screw caps provide hermetic seals and help reduce the possibility of outside contamination. The product is manufactured to Class A tolerances as defined by ISO 1042 and flasks have individually calibrated graduation lines. They withstand high…

…between the blasted line and the deep amber background provides legibility without coloring of the graduation line. Calibrated to contain.  ground glass stopper is supplied with the flask. Designed from ASTM Specification E288, Class A unserialized requirements. Replacement stopper is 41900R.

…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

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. Individually serialized and certified.

…permanent 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.

Calibrated "to contain" (TC) at 20°C and amberized for light sensitive studies, 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…

Transluscent flask is supplied with tapered polypropylene stopper with an individually calibrated graduation line. The product is manufactured to Class A tolerances as defined by ISO 1042. They are supplied with an imprinted lot number and certificate. These flasks may be autoclaved to 121ºC…

…and marking spot are blasted onto glass. ground glass stopper is supplied with the flask. Designed from ASTM Specification E288, Class A unserialized requirements. Replacement ground glass stopper is 41900R. Save Valuable Shelf Space Each Square Flask Takes Up 25-30% Less Space than a Round Flask

Calibrated to Class A ASTM E-542 and E-288 Supplied with a certificate of identification Traceable to NIST standards The graduation line is sharp and permanent. Large white block letters make it easy to read. Supplied with a Standard Taper stopper.

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

KIMAX flask with a graduation ring blasted on the neck. Calibrated both "to contain" and "to deliver" (top line). With a marking spot Ground glass stopper is supplied with the flask Designed from ASTM Specification E288, Class A unserialized requirements …

Type 1, Class A borosilicate glass Calibrated "to deliver" and "to contain" with etched graduation lines and a write-on patch Made specifically for the pharmaceutical industry Meets Federal Specifications NNN-F-289 and ASTM E288

…providing an easy way to track items used during analytical testing Carefully selected to meet the Class A requirements as specified in ASTM E 288 - Standard Specification for Volumetric Flasks Supplied with a Certificate of Graduation Accuracy Suitable for ISO 9000 quality programs …

These borosilicate glass volumetric flask sizes comply with requirements for Type 1, Class A "Unserialized flasks". They feature a heavy neck to accept Standard Taper glass stoppers (not included). Calibrated "to contain" (TC) at 20°C. Reference: ASTM E288 and Federal…

…applications. Polymethylpentene (PMP) and polypropylene (PP) volumetric flasks offer a break-resistant alternative to glass. Class B per DIN EN ISO 1042. Supplied with matching PP standard taper joint stoppers. Flasks’ 10 mL size allows for accurate measurement of smaller volumes. …

Calibrated "to contain" at 20°C, the upper neck of these borosilicate glass flasks are enlarged to permit easy introduction of solids. Each flask is provided with a marking spot in addition to a serial number. NOTE: Supplied with Certificate of Compliance