HI77400P is a set of premium quality pH 4.01 and 7.01 calibration buffer solutions. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI77400P is for pH 4.01 and pH 7.01 with each containing 20 mL of buffer.
Color coded label for easy pH buffer value identification
Accuracy of +/- 0.01 pH @ 25°C
Temperature chart of the actual pH value at various temperatures printed on each sachet
pH 4.01 and 7.01 Calibration Buffer Sachets
HI77400P is a set of premium quality pH 4.01 and 7.01 calibration buffers 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 +/- 0.01 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).
Convenience of individual packaging
Ideal for users that do not calibrate frequently
Ideal for field use due to portability
Every sachet is as fresh as the day it was packaged
Light block packaging prevents oxidation from UV light that could alter the buffer value
Each sachet marked with lot number and expiration date.
Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet.
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
Don't Forget!
Add your reagents or accessories now to save time and money later!
Check out these products:
