[{"command":"settings","settings":{"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"user":{"uid":0,"permissionsHash":"d9587e6f410d2e7f476e3da6cb10a457c78ab82347f962bf83d9020620f901dd"}},"merge":true},{"command":"add_css","data":[{"rel":"stylesheet","media":"all","href":"\/modules\/contrib\/addtocal\/addtocal.css?t2408i"},{"rel":"stylesheet","media":"all","href":"\/themes\/custom\/cest2025\/css\/components\/node.css?t2408i"}]},{"command":"add_js","selector":"body","data":[{"src":"\/core\/assets\/vendor\/jquery\/jquery.min.js?v=3.7.1"},{"src":"\/core\/assets\/vendor\/once\/once.min.js?v=1.0.1"},{"src":"\/core\/misc\/drupalSettingsLoader.js?v=10.5.1"},{"src":"\/core\/misc\/drupal.js?v=10.5.1"},{"src":"\/core\/misc\/drupal.init.js?v=10.5.1"},{"src":"\/modules\/contrib\/addtocal\/addtocal.js?v=10.5.1"},{"src":"\/modules\/contrib\/addtocal\/addtocal-download.js?v=10.5.1"}]},{"command":"openDialog","selector":"#drupal-modal","settings":null,"data":"\n\u003Carticle class=\u0022node node--type-presentation node--promoted node--view-mode-modal\u0022\u003E\n      \u003Cdiv\u003ESession 14 - Hydrology and water resources\u003C\/div\u003E\n  \n      \u003Cb\u003E\u003Cspan\u003EOn-site elemental analysis of environmental waters using portable XRF\u003C\/span\u003E\n\u003C\/b\u003E\n  \n      \u003Cdiv\u003E\u003Cb\u003ECEST ID: cest2025_00461\u003C\/b\u003E\u003C\/div\u003E\n  \n        \u003Cdiv class=\u0022mb-3\u0022\u003E\n      \u003Cb\u003ERoom Aegle A | Thu 4 Sep 2025 | 16:35 - 16:45 pm\u003C\/b\u003E\n    \u003C\/div\u003E\n  \n          \n    \n  \n      \u003Cdiv class=\u0022mt-10\u0022\u003E\n            \u003Cdiv class=\u0022clearfix text-formatted field field--name-presentation-body field--type-text-long field--label-hidden field__item\u0022\u003ERapid on-site detection of metals in water is essential for timely environmental assessment, especially in remote areas or time-critical situations. In this work, we present a portable measurement system that combines preconcentration filters with a portable X-ray fluorescence (pXRF) analyzer. Filters for Mn, Co, Ni, Cu, Zn, Pb, and U were fabricated using nanoporous silicon or silicon carbide with polymeric binders, while arsenic was captured using ferrihydrite-based filters. Water samples were collected from lakes, boreholes, and wells, and measured on-site. Detection limits as low as 12\u202f\u00b5g\/L for metals and 1.3\u202f\u00b5g\/L for arsenic were achieved, depending on sample volume. Results were validated against laboratory ICP-MS analysis. The lightweight, battery-operated setup enables field deployment with total measurement times as short as 15 minutes, offering a practical tool for preliminary screening and environmental monitoring in challenging conditions.\u003C\/div\u003E\n      \u003C\/div\u003E\n  \n  \u003Cdiv class=\u0022mt-5 mb-5\u0022\u003E\n          \u003Cspan\u003E\n          \u003Cb\u003EPresenter:\u003C\/b\u003E\n                      \u003Cp\u003E\n            Dr Joakim Riikonen\n            \u003C\/p\u003E\n                  \u003C\/span\u003E\n      \u003C\/div\u003E\n\n  \u003Cdiv class=\u0022mb-5\u0022\u003E\n          \u003Cdiv class=\u0022field__label\u0022\u003E\n        Authors\n      \u003C\/div\u003E\n              \u003Cp\u003E\n          Joakim Riikonen\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Tommi Tiihonen\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Arezoo Rahmani\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Tuomo Nissinen\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Ondrej Haluska\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Konstantin Tamarov\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Toni Pennanen\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Petri Turhanen\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Jouko Veps\u00e4l\u00e4inen\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Vesa-Pekka Lehto\n        \u003C\/p\u003E\n            \u003C\/div\u003E\n\n\u003C\/article\u003E\n","dialogOptions":{"width":"700","position":{"my":"right top","at":"right top"},"closeOnEscape":true,"dialogClass":"presentation-dialog","modal":true,"title":"","classes":{"ui-dialog":"presentation-dialog"}}}]