condition mean min max 12pM Fe 14.097059999999999 11.22912 16.965 58pM Fe 10.31105 9.5267 11.0954 233pM Fe 5.47862 5.47862 5.47862 1160pM Fe 7.004472619047619 4.892686666666666 9.116258571428572 Dark 7.556803666666667 6.21085 8.902757333333334 Light 6.321773846153846 6.321773846153846 6.321773846153846 Phloroglucinol 7.22743 7.22743 7.22743