condition mean min max 12pM Fe 186.51725 118.007 255.0275 58pM Fe 197.39957142857145 160.428 234.37114285714287 233pM Fe 113.08800000000001 113.08800000000001 113.08800000000001 1160pM Fe 97.00337321428572 75.993175 118.01357142857142 Dark 398.333701 328.663402 468.004 Light 308.61226153846155 308.61226153846155 308.61226153846155 Phloroglucinol 35.069 35.069 35.069