condition mean min max 12pM Fe 28.288175 28.27285 28.3035 58pM Fe 28.128764285714286 25.446 30.81152857142857 233pM Fe 27.9781 27.9781 27.9781 1160pM Fe 17.046364880952382 13.284858333333332 20.807871428571428 Dark 27.23969533333333 23.244090666666665 31.2353 Light 21.991953846153848 21.991953846153848 21.991953846153848 Phloroglucinol 10.32021 10.32021 10.32021