condition mean min max 12pM Fe 469.65650000000005 414.969 524.344 58pM Fe 306.08292857142857 222.392 389.77385714285714 233pM Fe 109.444 109.444 109.444 1160pM Fe 143.6712017857143 103.967975 183.37442857142858 Dark 493.2910333333333 343.527 643.0550666666667 Light 330.6963153846154 330.6963153846154 330.6963153846154 Phloroglucinol 6.54402 6.54402 6.54402