Ferrozine detection limits

[kaizadp]

tempest-exp-feom-ConnorSULI/2-code/ferrozine_samples.R

Line 143 in 6b902a7

mutate(flag = case_when(ppm_calculated < 5 ~ "below detection"),

from the calibration curve, it looks like we can't trust data below 5 ppm (mg/L). so I have used 5 ppm as a cutoff for a "below detection" flag. you will need to look through the data and make a decision to drop these values.

@amyerspigg @Coloughl