Iron Calibration Standards Checking Set, Hanna Instruments, HI721-11

HI 721-11 is a high quality calibration checking set for the validation of the Checker®HC Iron Colorimeter (90-2619-05).  The set consists of two cuvettes—a zero ppm cuvette and a cuvette that is tinted to an equivalent of  1.00 ± 0.06 ppm iron @ 25 °C.

Features:

• Standard value of 1.00 ± 0.06 ppm iron @ 25 °C
• Reusable with long shelf life stability
• Supplied with Certificate of Analysis including lot number, reference values, and expiration date for traceability
• Prepared from reagent grade chemicals in a temperature controlled environment