Hanna Instruments Australia
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Sales: (03) 9769 0666   |    Mon to Fri: 8:30am – 5:00pm
Hanna Instruments Australia
Sales: (03) 9769 0666   |    Mon to Fri: 8:30am – 5:00pm

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

$33.31

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

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℃ and are traceable to NIST Standard Reference Materials (SRMs). Solution does not contain any dyes that may stain the reference cell of a pH electrode.

The HI7004-050 Certificate of Analysis includes:

  • Product code
  • Lot number
  • Mean lot value
  • SRMs that were used
  • Manufacturing date
  • Expiration date
SKU HI7004/1L
Name HI7004/1L pH 4.01 Calibration Solution (1 L)
Description standard calibration buffer, dyed
Certificate of Analysis no
pH Accuracy ±0.01 pH
pH Value @ 25°C 4.01
Package bottle
Quantity 1
Size 1 L

HI7004/1L pH 4.01 Calibration Solution (1 L)

All prices are inclusive of GST and not all items are stock items, if you require an immediate solution please send an email to sales@hannainst.com.au or call us on (03) 9769 0666.


Free standard delivery:

We offer free delivery within Australia, typically arriving within 5 to 7 days. Delivery times may vary depending on the courier service and the recipient’s location.


Same-day express delivery:

Place your order before 1 PM Monday to Friday for the same-day express shipping. Delivery times may vary depending on the courier service and the recipient’s location.

Please note that we do not offer shipping to PO Box addresses.

All prices are inclusive of GST and not all items are stock items, if you require an immediate solution please send an email to sales@hannainst.com.au or call us on (03) 9769 0666.

Please note that we do not offer shipping to PO Box addresses.