We have prepared the following tool to estimate the concentration of phosphate in your water sample based on the Nix sensor “Red” reading. Enter your reading in the appropriate box and it will automatically calculate the corresponding concentration of phosphate and let you know if the reading for your sample is above the recommended limit for a healthy stream. If you know the geographic coordinates (latitude and longitude—remember to use a “-ve” sign with longitude to indicate the western hemisphere), please enter them into the table so that your results can be mapped.
Time rod spent in 10mL of acetone

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