Model: R1404 | UPC: 800837005120

pH 4.01 Buffer Solution for electrode calibration and care. Color-coded for easy identification.


REED R1404 Offers

The pH 4.01 Buffer Solution is manufactured and ready to use in accordance with and traceable to NIST publication 260-53 (PB 248-127) to ensure quality and accuracy. The label includes a table to display what the pH value should be given the buffer solution temperature.

What’s included with the REED R1404

  • REED R1404 Buffer Solution, 4.01 pH


  • 4.01 pH Buffer Solution (25°C)
  • 16.9 fl oz (500ml) bottle with viewing strip and childproof cap
  • Color-coded red for easy identification
  • ±0.020pH accuracy
  • Certificate of Analysis available upon request