condition mean min max 12pM Fe 30.146349999999998 26.3284 33.9643 58pM Fe 20.944357142857143 19.5525 22.336214285714284 233pM Fe 32.498400000000004 32.498400000000004 32.498400000000004 1160pM Fe 22.425118690476193 11.236651666666667 33.61358571428572 Dark 16.499222666666668 10.843145333333334 22.1553 Light 14.266124692307692 14.266124692307692 14.266124692307692 Phloroglucinol 7.56644 7.56644 7.56644