Hanna 4.0 Calibration Solution

Starting At: $1.02

SKU: TST-HI-4CS-B

HI7004M is a premium quality pH 4.01 calibration solution. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are airtight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of calibration buffers has been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

Accuracy of +/- 0.01 pH @ 25°C.
Temperature chart of the actual pH value at various temperatures printed on each bottle.
Air-tight seal.

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Hanna Instruments

Overview

HI7004M is a premium quality pH 4.01 calibration solution. 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).

Features:

Airtight bottle with tamper-proof seal
- Ensures quality and freshness of solution
Each bottle marked with lot number and expiration date.
- Hanna buffers are specially formulated to have an expiration of 5 years from the manufacture for an unopened bottle.
Color coded label for easy pH buffer value identification
- Easy to identify different buffer values
- The solution does not contain any dyes that may stain the reference cell of a pH electrode