condition mean min max 12pM Fe 0.13200325 0.0 0.2640065 58pM Fe 0.49633442857142857 0.0 0.9926688571428571 233pM Fe 0.423355 0.423355 0.423355 1160pM Fe 0.5738080178571429 0.34655175 0.8010642857142858 Dark 1.5389561333333333 0.0 3.0779122666666665 Light 2.7151563076923075 2.7151563076923075 2.7151563076923075 Phloroglucinol 0.897513 0.897513 0.897513