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

Nitrate CAL Check™ Standards – HI97728-11

$332.00

In stock

The HI97728-11 Nitrate CAL Check™ standards provide a simple solution to calibrating and validating the HI97728 Nitrate Portable Photometer that has a 0.0 to 30.0 mg/L (ppm) range of nitrate-nitrogen. 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 HI97728 photometer.

  • Supplied with Certificate of Analysis

  • Standard value of 15 ±0.050 mg/L (ppm) nitrate-nitrogen @ 25℃
  • Reusable with long shelf life stability