condition mean min max 12pM Fe 77.8696 68.2039 87.5353 58pM Fe 57.17525714285714 42.146414285714286 72.2041 233pM Fe 30.543499999999998 30.543499999999998 30.543499999999998 1160pM Fe 36.996944642857144 33.624075 40.369814285714284 Dark 50.73877833333333 39.39755666666667 62.08 Light 31.11301 31.11301 31.11301 Phloroglucinol 1.619854 1.619854 1.619854