condition mean min max 12pM Fe 19.97485 15.488399999999999 24.4613 58pM Fe 15.686022142857144 10.026744285714285 21.3453 233pM Fe 6.48421 6.48421 6.48421 1160pM Fe 11.444089345238096 5.468435833333333 17.419742857142857 Dark 7.943812 6.41108 9.476544 Light 10.360492307692308 10.360492307692308 10.360492307692308 Phloroglucinol 101.3218 101.3218 101.3218