condition mean min max 12pM Fe 33.123525 31.62375 34.6233 58pM Fe 36.379999999999995 35.3058 37.4542 233pM Fe 37.3294 37.3294 37.3294 1160pM Fe 27.72178273809524 22.381408333333333 33.062157142857146 Dark 30.548136666666668 21.5426 39.553673333333336 Light 30.73868953846154 30.73868953846154 30.73868953846154 Phloroglucinol 20.354 20.354 20.354