condition mean min max 12pM Fe 19.513524999999998 17.6348 21.392249999999997 58pM Fe 22.79897857142857 21.0656 24.532357142857144 233pM Fe 21.4263 21.4263 21.4263 1160pM Fe 13.141578214285715 10.287385 15.995771428571429 Dark 14.863241333333335 12.8952 16.831282666666667 Light 11.280056923076923 11.280056923076923 11.280056923076923 Phloroglucinol 17.5981 17.5981 17.5981