Products & Reviews

These 10 mL PYREX® microvolumetric flasks are calibrated to Class A tolerances. They are designed for microchemical work. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, has been added. Uses a No. 9 Standard Taper PYREX® stopper. For replacement stoppers, see No. 7650. The graduation line is sharp and permanent. The white markings are easy to read. Reference: ASTM E-237.

These 2 mL PYREX® microvolumetric flasks are calibrated to Class A tolerances. They are designed for microchemical work in accordance with the recommendations of the Committee of Microchemical Apparatus, Analytical Division of the A.C.S. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, has been added. Uses a No. 8 Standard Taper PYREX® stopper. For replacement stoppers, see No.…

These 25 mL PYREX® microvolumetric flasks are calibrated to Class A tolerances. They are designed for microchemical work. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, has been added. Uses a No. 9 Standard Taper PYREX® stopper. For replacement stoppers, see No. 7650. The graduation line is sharp and permanent. The white markings are easy to read. Reference: ASTM E-237.

These 5 mL PYREX® microvolumetric flasks are calibrated to Class A tolerances. They are designed for microchemical work in accordance with the recommendations of the Committee of Microchemical Apparatus, Analytical Division of the A.C.S. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, has been added. Uses a No. 8 Standard Taper PYREX® stopper. For replacement stoppers, see No.…

These 1 mL PYREX® microvolumetric flasks are calibrated to Class A tolerances and individually serialized and supplied with a Certificate of Identification and Capacity. They are designed for microchemical work in accordance with the recommendations of the Committee of Microchemical Apparatus, Analytical Division of the A.C.S. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, ha…

These 10 mL PYREX® microvolumetric flasks are calibrated to Class A tolerances and individually serialized and supplied with a Certificate of Identification and Capacity. They are designed for microchemical work. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, has been added. Uses a No. 9 Standard Taper PYREX® stopper. For replacement stoppers, see No. 7650. The graduation lin…

These 2 mL PYREX® microvolumetric flasks are calibrated to Class A tolerances and individually serialized and supplied with a Certificate of Identification and Capacity. They are designed for microchemical work in accordance with the recommendations of the Committee of Microchemical Apparatus, Analytical Division of the A.C.S. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, ha…

These 25 mL PYREX® microvolumetric flasks are calibrated to Class A tolerances and individually serialized and supplied with a Certificate of Identification and Capacity. They are designed for microchemical work. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, has been added. Uses a No. 9 Standard Taper PYREX® stopper. For replacement stoppers, see No. 7650. The graduation lin…

These 5 mL PYREX® microvolumetric flasks are calibrated to Class A tolerances and individually serialized and supplied with a Certificate of Identification and Capacity. They are designed for microchemical work in accordance with the recommendations of the Committee of Microchemical Apparatus, Analytical Division of the A.C.S. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, ha…

These 10 mL PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. The heavy duty, wide mouth facilitates filling and mixing. Supplied with interchangeable No. 13 Standard Taper PYREX® ground glass stopper. For replacement stoppers, see No. 7650. The graduation line is sharp and permanent.