condition mean min max 12pM Fe 58.210175 50.77995 65.6404 58pM Fe 35.78789285714286 30.509585714285713 41.0662 233pM Fe 29.7502 29.7502 29.7502 1160pM Fe 53.79426226190476 36.141442857142856 71.44708166666666 Dark 41.8331 24.9381 58.7281 Light 45.78262230769231 45.78262230769231 45.78262230769231 Phloroglucinol 107.6463 107.6463 107.6463