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Buffer Powder Pillows, pH 4.01 & pH 7.00, pk/2x15
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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. Colour-coded for easy identification. pH is ±0.02 at 25°C. Pack of 15 pillows of pH 4.01 (red) and 15 pillows of pH 7.00 (yellow).
- Traceable to NIST standard reference materials
- Design for use with Hach meters portfolio and other meters.
- Reliable packaging