| conc_to_meq | R Documentation | 
Function to convert chemical data from mg/L to meq/L
conc_to_meq(
  df,
  magnesium = "Magnesium, dissolved",
  calcium = "Calcium, dissolved",
  sodium = "Sodium, dissolved",
  potassium = "Potassium, dissolved",
  chloride = "Chloride, total",
  sulfate = "Sulfate, total",
  alkalinity = "Alkalinity, total (lab)"
)
df | 
 data frame in wide format i.e, column names are major ions  | 
magnesium | 
 magnesium  | 
calcium | 
 calcium  | 
sodium | 
 sodium  | 
potassium | 
 potassium  | 
chloride | 
 chloride  | 
sulfate | 
 sulfate  | 
alkalinity | 
 Total Alkalinity  | 
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