condition mean min max 12pM Fe 12.4663125 8.436025 16.4966 58pM Fe 20.48427142857143 10.357442857142857 30.6111 233pM Fe 41.908500000000004 41.908500000000004 41.908500000000004 1160pM Fe 33.07044297619048 4.065594285714286 62.075291666666665 Dark 68.52591666666666 16.6564 120.39543333333333 Light 121.23031746153846 121.23031746153846 121.23031746153846 Phloroglucinol 21.0456 21.0456 21.0456