Technical Calibration Buffer pH 4.01 w/ COA (500 mL) HI5004-R

In stock
HI5004-R is a premium quality pH 4.01 technical calibration buffer that is NIST traceable and supplied with a Certificate of Analysis that has been dyed red for easy buffer identification. 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 /- 0.01 pH @ 25°C
  • Temperature chart of the actual pH value at various temperatures printed on each bottle
HI5004-R is a premium quality pH 4.01 technical calibration buffer made from high purity salts and deionized water for analytical use according to ISO 3696/BS3978, using balances checked with certified weight and Class A glassware, in a temperature-controlled environment checked with certified thermometers. Reported values are accurate to /- 0.01 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs). certificate of Analysis

The HI5004-R is supplied with Certificate of Analysis

  • Product code
  • Lot number
  • Mean lot value
  • SRMs that were used
  • Manufacturing date
  • Expiration date

Color coded label and dyed solution for easy pH buffer value identification

  • Easy to identify different buffer values