condition mean min max 12pM Fe 107.270275 98.49655 116.044 58pM Fe 119.19273571428572 107.78947142857143 130.596 233pM Fe 149.27 149.27 149.27 1160pM Fe 146.76383333333334 75.8625 217.66516666666666 Dark 200.41289999999998 199.659 201.1668 Light 203.8577 203.8577 203.8577 Phloroglucinol 182.156 182.156 182.156