Skip to product information
1 of 1

HANNA INSTRUMENTS INC

GroLine pH 4.01 Calibration Buffer (500ml x 2nos)

GroLine pH 4.01 Calibration Buffer (500ml x 2nos)

Regular price $39.00 USD
Regular price $43.00 USD Sale price $39.00 USD
Sale Sold out

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 2 units.

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°C
  • Temperature chart of the actual pH value at various temperatures printed on each bottle
 
HI7004-050 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).
View full details