Labware and Lab Supplies Products & Reviews

These 200 mL Class A PYREX® Lifetime Red volumetric flasks have the capacity mark etched as a fine line through a narrow red band into clear glass, making a filler unnecessary and giving high legibility, accuracy and permanence. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 13 Standard Taper glass stoppers. For replacement stoppers…

These 25 mL Class A PYREX® Lifetime Red volumetric flasks have the capacity mark etched as a fine line through a narrow red band into clear glass, making a filler unnecessary and giving high legibility, accuracy and permanence. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 9 Standard Taper glass stoppers. For replacement stoppers s…

These 250 mL Class A PYREX® Lifetime Red volumetric flasks have the capacity mark etched as a fine line through a narrow red band into clear glass, making a filler unnecessary and giving high legibility, accuracy and permanence. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 16 Standard Taper glass stoppers. For replacement stoppers…

These 2L Class A PYREX® Lifetime Red volumetric flasks have the capacity mark etched as a fine line through a narrow red band into clear glass, making a filler unnecessary and giving high legibility, accuracy and permanence. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 27 Standard Taper glass stoppers. For replacement stoppers see…

These 50 mL Class A PYREX® Lifetime Red volumetric flasks have the capacity mark etched as a fine line through a narrow red band into clear glass, making a filler unnecessary and giving high legibility, accuracy and permanence. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 9 Standard Taper glass stoppers. For replacement stoppers s…

These 500 mL Class A PYREX® Lifetime Red volumetric flasks have the capacity mark etched as a fine line through a narrow red band into clear glass, making a filler unnecessary and giving high legibility, accuracy and permanence. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 19 Standard Taper glass stoppers. For replacement stoppers…

These 10 mL PYREX® volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Supplied with No. 9 Standard Taper glass stoppers. For replacement stoppers see No. 7650. The graduation line is sharp and permanent and large white block letters make the inscription…

These 100 mL PYREX® volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Supplied with No. 13 Standard Taper glass stoppers. For replacement stoppers see No. 7650. The graduation line is sharp and permanent and large white block letters make the inscriptio…

These 1L PYREX® volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Supplied with No. 22 Standard Taper glass stoppers. For replacement stoppers see No. 7650. The graduation line is sharp and permanent and large white block letters make the inscription ea…

These 200 mL PYREX® volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Supplied with No. 13 Standard Taper glass stoppers. For replacement stoppers see No. 7650. The graduation line is sharp and permanent and large white block letters make the inscriptio…

These 25 mL PYREX® volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Supplied with No. 9 Standard Taper glass stoppers. For replacement stoppers see No. 7650. The graduation line is sharp and permanent and large white block letters make the inscription…

These 250 mL PYREX® volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Supplied with No. 16 Standard Taper glass stoppers. For replacement stoppers see No. 7650. The graduation line is sharp and permanent and large white block letters make the inscriptio…

These 2L PYREX® volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Supplied with No. 27 Standard Taper glass stoppers. For replacement stoppers see No. 7650. The graduation line is sharp and permanent and large white block letters make the inscription ea…

These 50 mL PYREX® volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Supplied with No. 9 Standard Taper glass stoppers. For replacement stoppers see No. 7650. The graduation line is sharp and permanent and large white block letters make the inscription…

These 500 mL PYREX® volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. Supplied with No. 19 Standard Taper glass stoppers. For replacement stoppers see No. 7650. The graduation line is sharp and permanent and large white block letters make the inscriptio…

Brand: PYREX® Flask Style: Volumetric Capacity: 100 mL Neck Style: Short

The upper bulb, located between the stopper and the capacity graduation is approximately one-tenth the flask rated capacity. The 2L size upper bulb is only one-twentieth capacity. The additional bulb assists in the mixing of liquids or powders when shaken.

The upper bulb, located between the stopper and the capacity graduation is approximately one-tenth the flask rated capacity. The 2L size upper bulb is only one-twentieth capacity. The additional bulb assists in the mixing of liquids or powders when shaken.

These 2L Class A PYREX® mixing volumetric flasks have an upper bulb, located between the Standard Taper stopper and the capacity graduation to assist in the mixing of liquids or powders when shaken.. This bulb is approximately one-twentieth capacity the flask. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 27 Standard Taper glass st…

The upper bulb, located between the stopper and the capacity graduation is approximately one-tenth the flask rated capacity. The 2L size upper bulb is only one-twentieth capacity. The additional bulb assists in the mixing of liquids or powders when shaken.

These 200 mL PYREX® volumetric flasks have wide necks and are used in determining phosphoric acid in mixed fertilizer.

These 200 mL PYREX® volumetric flasks have wide necks and are used in determining phosphoric acid in mixed fertilizer.

Of rugged mold blown construction, this 60 mL PYREX® flask is calibrated in accordance with ASTM specifications. U.S. Bureau of Mines Technical Paper 323B, No. 30.41; A.A.S.H.O. No. T 72; and third edition, page 538. Reference: ASTM D-88 and E-102.

Bottle has a protective PVC coating for longer product life and safety. Protective coating helps prevent glass from shattering and reduces spills. Autoclavable (121°C) and resistant to thermal shock. Bottle features a tubular sidearm outlet for attachment of flexible tubing. The tubulation is not coated to allow easy connection of standard size tubing.

Bottle has a protective PVC coating for longer product life and safety. Protective coating helps prevent glass from shattering and reduces spills. Autoclavable (121°C) and resistant to thermal shock. Bottle features a tubular sidearm outlet for attachment of flexible tubing. The tubulation is not coated to allow easy connection of standard size tubing.