Volumetric flasks, class A, PFA with screw cap

Lieferant: Corning Life Sciences

CORN5650P-250EA 1535.37 EUR
CORN5650P-250 CORN5650P-50 CORN5650P-100 CORN5650P-100_BR CORN5650P-10 CORN5650P-500 CORN5650P-25
Volumetric flasks, class A, PFA with screw cap
Kolben Messkolben
Made of PFA, translucent, with PFA screw cap.

  • With an individually calibrated graduation line
  • Recommended routine cleaning up to 60 °C will preserve graduations
  • Exposure to temperatures above 60 °C may affect accuracy

These reusable flasks are manufactured to Class A tolerances as defined by ISO 1042.

The accuracy of volumetric ware depends on the care used in calibrating it, using the correct type of ware for the application, handling the ware properly and ensuring the ware is clean. Calibration of volumetric ware is usually done at 20 °C and the ware should be used at approximately this temperature. Refrigerated liquids should be allowed to come to room temperature before measuring them. Under normal use and care, the calibration of volumetric ware will not change. Do not expose volumetric ware to excessive heat, defined as temperatures approaching the Corning-defined upper service limit. The polymers from which the Corning line is manufactured have unique thermal characteristics. The polymer temperature capability is described above.

It is important to recognise the difference in specifications regarding DIN and ASTM standards. For reference, ASTM Class A and B specifications are more precise than DIN Class A and B specifications, respectively.

Screw caps provide hermetic seals and help reduce the possibility of outside contamination. The flasks have individually calibrated graduation lines. They withstand high temperatures and are resistant to a variety of aqueous solutions and organic solvents. These flasks may be autoclaved to 121 °C without affecting the graduation tolerance. Height dimension listed is for flask only, without screw cap.
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