Hanna Instruments Worldwide
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Contact Hanna: (65)6296-7118
Hanna Instruments Worldwide
Contact Hanna: (65)6296-7118

Calcium Hardness Checker® HC Calibration Check Set – HI720-11

$50.00

In stock

The Calcium Hardness Checker® HC Calibration Check Set – HI720-11 provides a simple solution to validating the Calcium Hardness Checker® HC – HI720. This high-quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiration date for traceability when certifying the Checker® HC.

  • Supplied with Certificate of Analysis

  • Standard value of 75 ±5 ppm nitrite @ 25℃
  • Reusable with long shelf life stability