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Buffer Powder Pillows, pH 4.01 Color-coded Red, pk/250

Product #: 2226964
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pH Buffer standard solutions for laboratory and field analyses

pH Buffer Powder Pillows for pH electrode calibration. Each powder pillow prepares 50 mL of fresh buffer solution. Color-coded for easy identification (Red). pH is 4.01 ±0.02 at 25°C. Pack of 250 Powder Pillows

  • Traceable to NIST standard reference materials
  • Design for use with Hach meters portfolio and other meters.
  • Reliable packaging