condition mean min max 12pM Fe 0.8950689999999999 0.700573 1.089565 58pM Fe 0.6551454999999999 0.483758 0.826533 233pM Fe 0.58385 0.58385 0.58385 1160pM Fe 1.2916348214285716 0.8349525 1.748317142857143 Dark 1.4740341333333333 0.758937 2.1891312666666667 Light 1.3868233846153846 1.3868233846153846 1.3868233846153846 Phloroglucinol 6.973809999999999 6.973809999999999 6.973809999999999