TY - GEN AU - Kalis,Erwin J J AU - Weng,Liping AU - Dousma,Freerk AU - Temminghoff,Erwin J M AU - Van Riemsdijk,Willem H TI - Measuring free metal ion concentrations in situ in natural waters using the Donnan Membrane Technique SN - 0013-936X PY - 2006///0606 KW - Colloids KW - Environmental Monitoring KW - methods KW - Ions KW - Ligands KW - Mass Spectrometry KW - Metals, Heavy KW - analysis KW - Sensitivity and Specificity KW - Solubility KW - Water Pollutants N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1021/es051435v ER -