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Buffer solutions, secondary standards

Dodávateľ: VWR Chemicals

  • Solution standardised at 25 °C, compliant with DIN 17025
  • Accurate to ±0,010 pH units (except buffer 12,454 with accuracy ±0,050)
  • Fully traceable for optimum pH calibration (traceable to NIST)
  • Supplied with detailed certificate of analysis
  • Temperature dependence data is printed on the labels as are batch number and expiry date


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Hodnota pH pH accuracy Reference temperature Pk Číslo v katalógu VWR Množstvo
1,679 ±0,010 25 °C 500 ml 84580.260
4,005 ±0,010 25 °C 500 ml 84582.260
6,865 ±0,010 25 °C 500 ml 84583.260
7,413 ±0,010 25 °C 500 ml 84584.260
9,18 ±0,010 25 °C 500 ml 84585.260
10,012 ±0,010 25 °C 500 ml 84586.260
12,454 ±0,050 25 °C 500 ml 84587.260
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