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Volumetric flasks for precise measurement in solution preparation and dilution are available at VWR. Select models of borosilicate glass, nalgene, or other plastics that conform to Class A or Class B requirements. Amber and low actinic stained glass construction are available for light-senstive preparations. Select glass, polyethylene or PTFE stoppers, including penny head options; screw caps and snap caps are also offered. Choose from a variety of capacities, including micro flasks, with permanent color graduation lines. Purchase volumetric flasks individually or by the case.
Description:
10ml. Tolerance: +-0.02ml. [Standard Taper] ground glass stopper, number 9. Calibrated to contain. Meets requirements of NBS Circular 602. Certificate of Graduation Accuracy. ASTM Specification E288, Class A serialized.
Description:
Capacity; 400. Tol. (mL); 0.15. [standard taper] Stopper; 16. Approx. Height with Stopper (mm); 290 Wide mouth mixing bulb volumetric flasks allow easy access into the flask for applications such as dissolving tablets and other solids.
Description:
2L. Tolerance: +-0.5ml. [Standard Taper] ground glass stopper, number 27. Calibrated to contain. Meets requirements of NBS Circular 602. Certificate of Graduation Accuracy. ASTM Specification E288, Class A serialized.
Description:
Capacity (mL); 10. GPI Thread size; 13-425. Approx. Overall Height (mm); 73 Class A threaded flask has an open top phenolic cap and a PTFE-lined silicone septum for syringe access. Calibrated to contain. V-shaped bottom provides convenient sample retrieval.
Description:
To contain 100mL +/- 0.08 mL capacity. Stopper Size: 13. Calibrated to contain at 20[degree]C. Flask size complies with Federal Specifications NNN-F-289 for Type I, Class A "Unserialized flasks" and ASTM E-288. Supplied with one solid glass pennyhead stopper.
Description:
5ml. Tolerance: +-0.02ml. Stopper: 9. Calibrated to contain. Closed-bottom linear, high density polyethylene stopper. [Standard Taper] neck. Stopper has enlarged top to protect neck if flask is tipped over. NIST Circular 602.
Description:
500ml. Tolerance: +-0.2ml. [Standard Taper] Ground Glass Stopper Number: 19. Calibrated to contain. Takes up less area in refrigerators and cabinets. Marking spot. ASTM Specification E288, Class A unserialized.
Description:
50ml flask with a graduation ring blasted on the neck. [Standard Taper] ground glass stopper, number 9. Tolerance: +-0.1ml. Marking spot. Calibrated to contain. Designed from ASTM specification E288, Class B requirements.
Description:
25ml. Tolerance: +-0.03ml. Snap Cap: 25. Calibrated to contain at 20[degree]C. Sealed heavy-tubing neck. Lifetime Red* graduation. Capacity mark is a fine line etched through a red band into clear glass.
Description:
100ml flask with a graduation ring blasted on the neck. [Standard Taper] ground glass stopper, number 13. Tolerance: +-0.16ml. Marking spot. Calibrated to contain. Designed from ASTM specification E288, Class B requirements.
Description:
200ml. Tolerance: +-0.10ml. Snap Cap Number: 5. Calibrated to contain. Class A accuracy but without serial number. Supplied with a polyethylene snap cap. Designed from ASTM Specification E288.