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Volumetric flasks (PFA) Class A

Class A, with screw cap, PFA

Volumetric flasks, PFA, Class A, with screw cap.

Features

  • Highly transparent
  • Ring mark individually calibrated to `In´
  • Class A tolerances according to DIN EN ISO 1042
  • The PFA screw cap guards against contamination
  • Outstanding chemical resistance, can be used with strong oxidants, highly concentrated acids and alkalis, hydrocarbons, and ketones
  • With laser-engraved lot number and batch certificate. Thermal stress up to 121 ºC (autoclaving) does not permanently exceed the tolerance limit
  • To preserve the ring mark, do not clean at temperatures exceeding 60 ºC

The advantages of PFA

  • Long-term maintenance of low-concentration reference materials in PFA containers
  • No memory effects
  • Practically no carryover, no cross-contamination due to the extremely hydrophobic, anti-adhesive and smooth surfaces
  • High thermal stability, from -200 °C to +260 °C
  • Chemical inertness against nearly all chemicals
  • Good transparency and dimensional stability, suitable for volumetric instruments
  • Easy to clean
  • Use of high purity raw materials

Technical specifications

Code Volume (ml) Tolerance  (± ml) Height (mm) Thread (GL) Qty
VB/50107097 10 0,04 90 18 1
VB/50107197 25 0,04 115 18 1
VB/50107297 50 0,06 150 18 1
VB/50107397 100 0,10 180 18 1
VB/50107497 250 0,15 235 25 1
VB/50107597 500 0,25 270 25 1

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