Hanna Instruments Worldwide
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Contact Hanna: (65)6296-7118
Hanna Instruments Worldwide
Contact Hanna: (65)6296-7118

pH 4.01 Technical Calibration Buffer Sachets (25 x 20mL) – HI50004-02

SGD 86.00

Please call for stock update

HI50004-02 is a premium quality pH 4.01 technical calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. 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. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50004-02 is for 25 sachets containing 20 mL of buffer.

  • Supplied with Certificate of Analysis

  • Accuracy of ±0.01 pH @ 25℃
  • Temperature chart of the actual pH value at various temperatures printed on each sachet