SKU
HI7004-023

pH 4.01 Calibration Buffer GroLine (230 mL) HI7004-023

€12.10
In stock
HI7004-023 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°C
  • Temperature chart of the actual pH value at various temperatures printed on each bottle

Details

HI7004-023 is a high quality pH 4.01 calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +/- 0.02 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).

The HI7004-023 is supplied with Certificate of Analysis

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

Color coded label for easy pH buffer value identification

  • Easy to identify different buffer values
  • Solution does not contain any dyes that may stain the reference cell of a pH electrode

 

Specifications

pH Accuracy 

±0.02 pH pH 

Value @25°C 

4.01 

Package 

Bottles 

Size 

230 mL 

Quantity 

1 

Certificate of Analysis 

1 

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