Concept
ClearWater Nitrate + Nitrate Lab-On-Chip (LOC) sensor
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1896/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | ClearWater NO3+NO2 Sensor | ||
| Definition | A stand-alone microfluidic wet-chemical (colourimetric) nitrate and nitrite lab-on-chip (LOC) system. Designed to perform automated in-situ chemical analyses, in multiple scenarios from salt to fresh water and profiles to moorings. The instrument outputs the Nitrate+Nitrite concentration in µmol/L. It is designed to filter a water sample through a 0.45 µm filter, mix it with chemical reagents, and measure the resulting colour change using LEDs and photodiodes. The sensors carry onboard reference standards which are analysed frequently to correct for instrumental drift. The instrument can be used fully submerged or at the surface. Data can be accessed in real time via the RS232 interface or post deployment via USB download. Without calibration it samples every 5 min., with calibration every 15 min. The sample volume is 0.6 mL. It measures Nitrate+Nitrite in a range of 0-1000 µmol/L with a detection limit of 0.025 µmol/L. Depth rating 6000 m. | ||
| Date | 2023-02-03T10:05:19 | ||
| Identifier | SDN:L22::TOOL1896 | ||
| Note | accepted | ||
| Is Version Of | TOOL1896 | ||
| version | 1 | ||
| Broader | L05:181 |
nutrient analysers | |
| Related | B75:ORG01993 |
ClearWater Sensors Ltd. | |
L35:MAN0246 |
ClearWater Sensors Ltd. | ||
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