LaMotte 7689 Nitrogen Dioxide in Air Comparator
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- Color standard for determining the concentration of nitrogen dioxide in a reacted sample of air
- Replacement comparator for use with the 7690 Nitrogen Dioxide in Air Test Kit (sold separately)
- Scale has an index of 1 to 8 and readings can be applied to the kit's conversion chart to calculate ppm
- The LaMotte 7689 Nitrogen Dioxide in Air Comparator is a replacement comparator for use with the 7690 Nitrogen Dioxide in Air Test Kit (sold separately) to determine the nitrogen dioxide concentration of a reacted sample of air. The comparator's scale has an index of 1 to 8, and readings can be applied to the kit's conversion chart to calculate ppm at various sampling times.LaMotte manufactures analytical reagents, portable water testing instrumentation, and microbiological testing products. The company, founded in 1919, is headquartered in Chestertown, MD.
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