condition mean min max 12pM Fe 80.5659 72.5938 88.538 58pM Fe 61.888264285714286 53.32892857142857 70.4476 233pM Fe 54.057633333333335 54.057633333333335 54.057633333333335 1160pM Fe 52.82683035714286 39.214275 66.43938571428572 Dark 67.94825 59.6674 76.2291 Light 68.20263846153847 68.20263846153847 68.20263846153847 Phloroglucinol 93.5331 93.5331 93.5331