"1213-7103" . . "\u010Cmel\u00EDk, Ji\u0159\u00ED" . "\u00DAprava vzorku pro stanoven\u00ED aniont\u016F v d\u016Fln\u00ED vod\u011B s vysok\u00FDm obsahem \u017Eeleza"@cs . "CZ - \u010Cesk\u00E1 republika" . "5"^^ . "5"^^ . "\u00DAprava vzorku pro stanoven\u00ED aniont\u016F v d\u016Fln\u00ED vod\u011B s vysok\u00FDm obsahem \u017Eeleza" . "Reliable analysis of anions in mine waters with high iron and sulfate contents is important for their characterization. However, both traditional and LC methods failed in direct anion analysis. The article describes two sample pretreatments - alkalization and cation exchange. The pretreated water samples were analyzed by potentiometric titration, spectrophotometry, ion chromatography with conductivity detector in suppressed regime and HPLC with diode array detector using indirect UV detection at 260 nm. Both the sample pretreatments enable determination of some anions, the former procedure being more suitable for the purpose. Potentiometric titration and spectrophotometry seem to be the most suitable due to low detection limits for all the selected anions ranging from 0.4 to 1.8 mg l-1. The application of ion chromatography and liquid chromatography with diode array detector for the purpose is also possible. However, due to very high detection limits of samples pretreated by cation exchange (26-121 mg l-1) and low recoveries of samples pretreated by alkalization ({17 %) for all the selected anions, HPLC-DAD is not suitable for analysis of real samples. Validation and analytical characteristics of the methods are given and discussed."@en . . . "Kur\u00E1\u0148, Pavel" . . "Spolehliv\u00E9 stanoven\u00ED aniont\u016F v d\u016Fln\u00EDch vod s vysok\u00FDm obsahem \u017Eeleza a s\u00EDran\u016F je d\u016Fle\u017Eit\u00E9 pro jejich charakterizaci, tradi\u010Dn\u00ED metody zde v\u0161ak selh\u00E1vaj\u00ED. Tento \u010Dl\u00E1nek popisuje dva mo\u017En\u00E9 zp\u016Fsoby p\u0159ed\u00FApravy - alkalizaci a iontovou v\u00FDm\u011Bnu. Upraven\u00E9 vzorky byly analyzov\u00E1ny potenciometrickou titrac\u00ED, spektrofotometricky, iontovou chromatografi\u00ED a HPLC s DAD s nep\u0159\u00EDmou detekc\u00ED p\u0159i 260 nm . Potenciometrick\u00E9 titrace a spektrofotometrie se zdaj\u00ED b\u00FDt nejvhodn\u011Bj\u0161\u00ED vzhledem k n\u00EDzk\u00E9 detek\u010Dn\u00ED limity pro v\u0161echny vybran\u00E9 anionty v rozmez\u00ED od 0,4 do 1,8 mg l - 1 . Pou\u017Eit\u00ED iontov\u00E9 chromatografie a kapalinov\u00E9 chromatografie s detektorem diodov\u00E9ho pole je tak\u00E9 mo\u017En\u00E9. Nicm\u00E9n\u011B vzhledem k velmi vysok\u00FDm detek\u010Dn\u00EDmm limit\u016Fm u vzork\u016F upraven\u00E1ch iontovou v\u00FDm\u011Bnou (26 a\u017E 121 mg l - 1 ) a n\u00EDzk\u00E9 v\u00FDt\u011B\u017Enosti u vzork\u016F upraven\u00FDch alkalizace ( { 17 %) u v\u0161ech vybran\u00FDch aniont\u016F, HPLC - DAD nen\u00ED vhodn\u00E1 pro anal\u00FDzu re\u00E1ln\u00FDch vzork\u016F. Valida\u010Dn\u00ED a v\u00FDkonnostn\u00ED charakteristiky metody jsou uvedeny a diskutov\u00E1ny ."@cs . . . "3"^^ . . "\u00DAprava vzorku pro stanoven\u00ED aniont\u016F v d\u016Fln\u00ED vod\u011B s vysok\u00FDm obsahem \u017Eeleza"@cs . . "Pretreatment in Determination of Anions in Mine Waters with High Iron Contents"@en . "RIV/44555601:13520/13:43885375" . "Spolehliv\u00E9 stanoven\u00ED aniont\u016F v d\u016Fln\u00EDch vod s vysok\u00FDm obsahem \u017Eeleza a s\u00EDran\u016F je d\u016Fle\u017Eit\u00E9 pro jejich charakterizaci, tradi\u010Dn\u00ED metody zde v\u0161ak selh\u00E1vaj\u00ED. Tento \u010Dl\u00E1nek popisuje dva mo\u017En\u00E9 zp\u016Fsoby p\u0159ed\u00FApravy - alkalizaci a iontovou v\u00FDm\u011Bnu. Upraven\u00E9 vzorky byly analyzov\u00E1ny potenciometrickou titrac\u00ED, spektrofotometricky, iontovou chromatografi\u00ED a HPLC s DAD s nep\u0159\u00EDmou detekc\u00ED p\u0159i 260 nm . Potenciometrick\u00E9 titrace a spektrofotometrie se zdaj\u00ED b\u00FDt nejvhodn\u011Bj\u0161\u00ED vzhledem k n\u00EDzk\u00E9 detek\u010Dn\u00ED limity pro v\u0161echny vybran\u00E9 anionty v rozmez\u00ED od 0,4 do 1,8 mg l - 1 . Pou\u017Eit\u00ED iontov\u00E9 chromatografie a kapalinov\u00E9 chromatografie s detektorem diodov\u00E9ho pole je tak\u00E9 mo\u017En\u00E9. Nicm\u00E9n\u011B vzhledem k velmi vysok\u00FDm detek\u010Dn\u00EDmm limit\u016Fm u vzork\u016F upraven\u00E1ch iontovou v\u00FDm\u011Bnou (26 a\u017E 121 mg l - 1 ) a n\u00EDzk\u00E9 v\u00FDt\u011B\u017Enosti u vzork\u016F upraven\u00FDch alkalizace ( { 17 %) u v\u0161ech vybran\u00FDch aniont\u016F, HPLC - DAD nen\u00ED vhodn\u00E1 pro anal\u00FDzu re\u00E1ln\u00FDch vzork\u016F. Valida\u010Dn\u00ED a v\u00FDkonnostn\u00ED charakteristiky metody jsou uvedeny a diskutov\u00E1ny ." . "13520" . "P(1M0554)" . . . . "5" . "\u00DAprava vzorku pro stanoven\u00ED aniont\u016F v d\u016Fln\u00ED vod\u011B s vysok\u00FDm obsahem \u017Eeleza" . . . . . "107" . "Pretreatment in Determination of Anions in Mine Waters with High Iron Contents"@en . "000324159200008" . . "Pila\u0159ov\u00E1, V\u011Bra" . . "Chemick\u00E9 listy" . "112800" . "RIV/44555601:13520/13:43885375!RIV14-MSM-13520___" . "http://www.chemicke-listy.cz/common/article-vol_107-issue_5-page_381.html" . "Jano\u0161, Pavel" . "Krej\u010Dov\u00E1, Michaela" . . "matrix treatment; HPLC-DAD; mine water"@en . "[F57FCAA05D2A]" .