condition mean min max 12pM Fe 17.898600000000002 14.7852 21.012 58pM Fe 32.99499285714286 26.742085714285714 39.2479 233pM Fe 36.9739 36.9739 36.9739 1160pM Fe 36.43155892857143 17.947742857142856 54.915375 Dark 35.49858066666667 30.0318 40.965361333333334 Light 28.815627692307693 28.815627692307693 28.815627692307693 Phloroglucinol 40.973 40.973 40.973