DURACAL Buffer pH 9.21, 3 x 500 ml

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Каталожен номер: 238919

DURACAL buffers are guaranteed to be stable for 5 years(*) from the date of production. Conventional pH buffers change their pH value due to air diffusion during storage and use. Duracal buffers do not change their pH value during storage or use. The unique dosing bottle allows sensor calibration in the bottle without reservoir contamination.

The addition of buffer preservatives prevents contamination by bacteria and fungi while retaining high buffer capacity for fast stable calibrations.


  • Certified traceable to N.I.S.T.
  • Easy-to-use CALPACKT dosing bottle allows sensor calibration
  • Economical since only the quantity required for calibration is dispensed from the CALPACK bottle
  • Guaranteed 5 year pH buffer lifetime(*)

For automatic buffer recognition simply use IEC 746/Technical Buffer (*) The shelf life is dependend on Buffer type. Contact us for more details.


  • 500mlVolume of bottle


  • pHBuffer type
  • 9.21pH/ORP value


  • BlueBuffer colour

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