Hanna 4.0 Calibration Solution

$1.04$19.95

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.

Description

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

 

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