condition mean min max 12pM Fe 32.230575 29.629649999999998 34.8315 58pM Fe 29.083035714285714 28.09417142857143 30.0719 233pM Fe 35.6556 35.6556 35.6556 1160pM Fe 23.082233928571426 22.320942857142857 23.843525 Dark 29.383539999999996 23.6024 35.16468 Light 27.90796923076923 27.90796923076923 27.90796923076923 Phloroglucinol 18.197633333333332 18.197633333333332 18.197633333333332