Details
HI775-11 is a high-quality set of calibration standards that allows users to validate the Freshwater Alkalinity Checker
® HC - HI775 . The HI 775-11 includes one sealed cuvette for zero ppm CaCO
3 and one cuvette that is tinted to an equivalent 100 +/- 10 ppm CaCO
3 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 HI727-11 is supplied with Certificate of Analysis
![certificate of analysis](http://hannainst.com/media/wysiwyg/products/solutions/Soulution-Certificate-of-Analysis.jpg)
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Expiration date
![checker 1 2 3](http://hannainst.com/media/wysiwyg/products/solutions/Checker1_2_3.jpg)