Info about studies

Nitrate Conversion Units:

1 ppm Nitrate = 0.22 ppm (Nitrate-N) = 16 uM Nitrate

1 uM Nitrate = 0.014 uM (Nitrate-N) = 0.063 ppm Nitrate

1 ppm (Nitrate-N) = 1 mg Nitrate-N/liter = 4.5 mg Nitrate/liter = 71 uM Nitrate