condition mean min max 12pM Fe 8.507249999999999 5.8603000000000005 11.1542 58pM Fe 4.423204285714286 3.6688385714285716 5.17757 233pM Fe 1.71353 1.71353 1.71353 1160pM Fe 2.103202 1.6802839999999999 2.52612 Dark 1.7093031 1.18853 2.2300762 Light 1.400493076923077 1.400493076923077 1.400493076923077 Phloroglucinol 2.815296666666667 2.815296666666667 2.815296666666667