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

GroLine pH 4.01 Calibration Buffer (500 mL) – HI7004-050

SGD 33.00

Please call for stock update

groline hydroponics ph ec ppm meter

HI7004-050 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. 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 bottle.

  • Supplied with Certificate of Analysis

  • Accuracy of ±0.02 pH @ 25℃
  • Temperature chart of the actual pH value at various temperatures printed on each bottle