TY - RPRT TI - The effect of membrane filtration on dissolved trace element concentrations AU - A. J. Horowitz AU - K.R. Lum AU - J.R. Garbarino AU - G.E.M. Hall AU - C. Lemieux AU - C. R. Demas PY - 1996 DO - 10.1007/bf00619288 UR - https://pubs.usgs.gov/publication/70018408 ID - 70018408 ER -