condition mean min max 12pM Fe 77.156575 74.4622 79.85095 58pM Fe 47.901385714285716 40.66407142857143 55.1387 233pM Fe 20.9003 20.9003 20.9003 1160pM Fe 24.073122023809525 21.956885714285715 26.189358333333335 Dark 50.73794356666667 36.00058713333333 65.4753 Light 21.90602076923077 21.90602076923077 21.90602076923077 Phloroglucinol 10.407630000000001 10.407630000000001 10.407630000000001