condition mean min max 12pM Fe 34.931525 32.705 37.15805 58pM Fe 27.41525 25.1923 29.6382 233pM Fe 10.61578 10.61578 10.61578 1160pM Fe 15.870479702380951 14.950430833333334 16.79052857142857 Dark 27.17294533333333 23.9624 30.383490666666667 Light 20.453626923076925 20.453626923076925 20.453626923076925 Phloroglucinol 4.7148 4.7148 4.7148