condition mean min max 12pM Fe 32.268924999999996 28.44545 36.0924 58pM Fe 29.987914285714286 29.3468 30.62902857142857 233pM Fe 22.4076 22.4076 22.4076 1160pM Fe 15.854601428571428 9.01356 22.695642857142857 Dark 21.702691333333334 20.21 23.195382666666667 Light 16.811295384615384 16.811295384615384 16.811295384615384 Phloroglucinol 18.461100000000002 18.461100000000002 18.461100000000002