HI77400P pH 4.01 and 7.01 Buffer Sachets (10 x 20mL, 5 Each)

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pH 4.01 and pH 7.01 buffer solutions in 20 mL single use sachets for pH measurement calibration. 

These premium calibration buffer solutions provide an accurate tool for pH calibration measurement at 4.01 and 7.01. Temperature chart of the actual pH value at various temperatures are printed on each sachet. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. 

  • 10 packets (5 each) of 20 mL
  • Ideal for users that do not calibrate frequently
  • Ideal for field use due to portability
  • Every sachet is as fresh as the day it was packaged
  • Light block packaging prevents oxidation from UV light that could alter the buffer value
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