condition mean min max 12pM Fe 40.729625 34.499849999999995 46.9594 58pM Fe 46.005300000000005 41.5733 50.4373 233pM Fe 55.354 55.354 55.354 1160pM Fe 37.183175 32.3542 42.01215 Dark 44.047016666666664 23.4606 64.63343333333333 Light 45.295585384615386 45.295585384615386 45.295585384615386 Phloroglucinol 27.0548 27.0548 27.0548