1997
DOI: 10.1016/s0009-2541(96)00139-8
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The influence of dissolved organic carbon, suspended particulates, and hydrology on the concentration, partitioning and variability of trace metals in two contrasting Wisconsin watersheds (U.S.A.)

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Cited by 120 publications
(93 citation statements)
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References 27 publications
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“…A 2.5-ft 2 polysulfone spiral-wound capsule (Millipore Prep-Scale, Bedford, MA, USA), coupled with Teflon plumbing to a Teflon diaphram pump was employed. A detailed mass balance was applied to each sample to verify good recovery, and concentration factors (6)(7)(8) were kept low to minimize colloid aggregation. All samples were stored in the dark at 4ЊC until analysis.…”
Section: Filtration (Metals)mentioning
confidence: 99%
“…A 2.5-ft 2 polysulfone spiral-wound capsule (Millipore Prep-Scale, Bedford, MA, USA), coupled with Teflon plumbing to a Teflon diaphram pump was employed. A detailed mass balance was applied to each sample to verify good recovery, and concentration factors (6)(7)(8) were kept low to minimize colloid aggregation. All samples were stored in the dark at 4ЊC until analysis.…”
Section: Filtration (Metals)mentioning
confidence: 99%
“…We analyzed hydrometric and total organic carbon (TOC) concentrations observed during 9 sampling occasions in 2008 and 2009 along with continuous groundwater and streamflow measurements. TOC was chosen over other solutes because several studies have recognized the RZ as the dominant TOC source (Hinton et al, 1998;Fiebig et al, 1990;Bishop et al, 1990;Dosskey and Bertsch, 1994) and because TOC is a key controlling factor for stream water quality (Hruška et al, 2003;Shafer et al, 1997;Erlandsson et al, 2008) that is sensitive to climatic change . Moreover, the assessment of riparian TOC exports can provide much needed insights into the mechanisms that control contributions of inland waters to the global carbon cycle (Öquist et al, 2009;Battin et al, 2009;Cole et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…A "cross-over" 16 point (C e ) between these two relationships is identified as the intersection where a switch occurs 17 between either colloidal or truly dissolved concentrations dominating the filtered fraction. 18 …”
Section: Relationships Between Filtered Colloidal and Truly Dissolvementioning
confidence: 99%
“…A loss of material occurs when M r <1; contamination occurred when M r > 1. For 18 most analytes, M r ranged from 0.85-0.98 (mean, M r , 0.93±0.1), demonstrating good recovery of 19 macronutrients, metals and trace elements during the cross-flow ultrafiltration process. There 20 appeared to be a 15% contamination of Si which may have arisen from the regenerated cellulose 21 membrane, and around 30% loss for Ce, Fe and Al during cross-flow ultrafiltration (see 22 Discussion section for further details).…”
mentioning
confidence: 94%