condition mean min max 12pM Fe 51.144625 47.79385 54.4954 58pM Fe 35.5512 30.8509 40.2515 233pM Fe 34.075900000000004 34.075900000000004 34.075900000000004 1160pM Fe 30.654653571428575 24.45285 36.856457142857145 Dark 31.56704 30.7684 32.36568 Light 27.531435384615385 27.531435384615385 27.531435384615385 Phloroglucinol 38.196933333333334 38.196933333333334 38.196933333333334