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New Avantor® J.T.Baker® premium conductive and non-conductive robotic tips deliver superior quality and reliable performance for results you can trust.
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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:
Wide mouth mixing bulb volumetric flasks allow easy access into the flask for applications such as dissolving tablets and other solids. Mixing bulb in neck accommodates approximately one tenth of the flasks total volume. Stopper included
Description:
900ml Flask calibrated both to contain and to deliver. Graduation & marking spot blasted onto glass. Ground glass stopper # 22 incl. Designed from ASTM Specification E288, Class A unserialized requirements. Repl stopper 41900R.
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:
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:
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:
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:
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:
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:
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:
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.
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:
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:
500ml. [Standard Taper] interchangeable ground glass stopper, size 19. Tolerance: +-0.2ml. Calibrated to contain at 20[degree]C. Resistant to mechanical and thermal shock. Meets Type 1, Class A, NNN-F-289 and ASTM E288.
Description:
1000ml. Tolerance: +-0.6ml. Polypropylene Screw Cap: 28mm. Cap is leakproof. Calibrated to contain/deliver at 20[degree]C. Graduation line. No meniscus. Autoclavable. ASTM E288-83. ISO Standard 384.
Description:
100ml. Tolerance: +-0.08ml. Stopper: 13. 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:
50ml. Tolerance: +-0.05ml. [Standard Taper] Ground Glass Stopper Number: 9. Calibrated to contain. Takes up less area in refrigerators and cabinets. Marking spot. ASTM Specification E288, Class A unserialized.
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