Hanna Hi7004L Buffer Ph 4 500ml

$16.99

Description

This pH 4.01 calibration solution is NIST traceable and comes with a Certificate of Analysis. The solution has the lot number and expiration date clearly marked on the label and has an air tight, tamper-proof seal. Hanna’s line of calibration buffers have been specially formulated to expire 5 years from the date of manufacture for a sealed bottle.

Hanna HI7004L/C Offers
pH 4.01 calibration solution manufactured in accordance with ISO 3696/BS3978 standards using deionized water, high purity salts, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are traceable to NIST Standard Reference Materials (SRMs).

Features

Supplied with Certificate of Analysis
Color coded label for easy pH buffer value identification
Solution does not contain any dyes that may stain the reference cell of a pH electrode