Hanna Instruments' certified standards package for the HI784 Marine Ammonia Checker HC. Use to quickly calibrate and check that your Hanna Colorimeter is operating properly. One sealed cuvette with a zero ammonia value and one cuvette that is coloured to a typical ammonia value at 25°C are both included in the set.
- Standard value with pre-tinting
- With Certificate of Analysis provided
- Long-lasting and reusable
- Labelled for quality control with the product code, lot number, and expiration date
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