condition mean min max 12pM Fe 13.30967 11.176639999999999 15.4427 58pM Fe 10.838385714285714 10.6279 11.04887142857143 233pM Fe 17.0293 17.0293 17.0293 1160pM Fe 7.868691607142857 7.441595714285714 8.2957875 Dark 10.556769333333333 4.46112 16.652418666666666 Light 10.556903076923076 10.556903076923076 10.556903076923076 Phloroglucinol 7.5028 7.5028 7.5028