condition mean min max 12pM Fe 41.081925 39.1033 43.06055 58pM Fe 31.758728571428573 27.692257142857144 35.8252 233pM Fe 30.6479 30.6479 30.6479 1160pM Fe 27.88323392857143 19.692625 36.07384285714286 Dark 30.488083333333332 28.1156 32.860566666666664 Light 29.852816153846153 29.852816153846153 29.852816153846153 Phloroglucinol 35.6306 35.6306 35.6306