HI749-11 is a high-quality set of calibration standards that allows users to validate the Chromium VI Low Range Checker^®HC - HI749. The HI749-11 includes one sealed cuvette for zero ppb chromium VI and one cuvette that is tinted to an equivalent 100 +/- 5 ppb chromium VI sample @ 25^°C.  The calibration check set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.  

The HI749-11 is supplied with Certificate of Analysis

• Product code

• Lot number

• Expiration date