Dataset used to test the functions.
A data frame with 10 columns:
- sample_name
Sample name
- dry_g
Dry g
- water_ml
Water ml
- chloride_ppm
Chloride ppm
- nitrate_ppm
Nitrate ppm
- sulfate_ppm
Sulfate ppm
- sodium_ppm
Sodium ppm
- potassium_ppm
Potassium ppm
- calcium_ppm
Calcium ppm
- magnesium_ppm
Magnesium ppm
