condition mean min max 12pM Fe 17.916975 0.0 35.83395 58pM Fe 36.50642142857143 0.0 73.01284285714286 233pM Fe 142.69299999999998 142.69299999999998 142.69299999999998 1160pM Fe 68.61488235714286 0.7599397142857143 136.46982500000001 Dark 28.287581666666668 19.9096 36.66556333333333 Light 20.60194076923077 20.60194076923077 20.60194076923077 Phloroglucinol 2.3766350000000003 2.3766350000000003 2.3766350000000003