condition mean min max 12pM Fe 39.41485 28.4904 50.339299999999994 58pM Fe 46.55639285714285 20.4694 72.64338571428571 233pM Fe 43.4239 43.4239 43.4239 1160pM Fe 37.07675595238095 26.848828571428573 47.30468333333333 Dark 19.485419666666665 14.3438 24.627039333333332 Light 13.204662307692308 13.204662307692308 13.204662307692308 Phloroglucinol 11.16209 11.16209 11.16209