condition mean min max 12pM Fe 47.225775 47.0045 47.447050000000004 58pM Fe 43.250635714285714 43.12007142857143 43.3812 233pM Fe 23.5787 23.5787 23.5787 1160pM Fe 31.030657142857144 30.207314285714286 31.854 Dark 16.039686666666668 12.7467 19.332673333333332 Light 21.257886153846155 21.257886153846155 21.257886153846155 Phloroglucinol 61.6707 61.6707 61.6707