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| resources:eval:user-guides:circuits-from-the-lab:cn0503 [17 Nov 2021 01:08] – [Optical Path 3] Brandon Bushey | resources:eval:user-guides:circuits-from-the-lab:cn0503 [20 Sep 2022 15:24] (current) – adding nitrate demo link Brandon Bushey | ||
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| ==== Optical Path 3 ==== | ==== Optical Path 3 ==== | ||
| In optical path 3, the experiment shows nitrate detection using colorimetry. Using the API reagent found in nitrate test kits, a solution with a higher concentration of nitrate turns into a darker shade of red. As a result, the degree of absorbance of 615nm light decreases with the increasing nitrate concentration. | In optical path 3, the experiment shows nitrate detection using colorimetry. Using the API reagent found in nitrate test kits, a solution with a higher concentration of nitrate turns into a darker shade of red. As a result, the degree of absorbance of 615nm light decreases with the increasing nitrate concentration. | ||
| - | * [[resources: | + | * [[:resources: |
| ==== Optical Path 4 ==== | ==== Optical Path 4 ==== | ||
| In optical path 4, the experiment shows turbidity measurements of cloudy water made by adding a a drop of milk and de-ionized water using 530nm light. | In optical path 4, the experiment shows turbidity measurements of cloudy water made by adding a a drop of milk and de-ionized water using 530nm light. | ||
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| * [[resources: | * [[resources: | ||
| * [[resources: | * [[resources: | ||
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| ===== Schematic, PCB Layout, Bill of Materials ===== | ===== Schematic, PCB Layout, Bill of Materials ===== | ||
resources/eval/user-guides/circuits-from-the-lab/cn0503.txt · Last modified: 20 Sep 2022 15:24 by Brandon Bushey