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ICP-oTOF-MS ANALYSIS OF PLATINUM IN ALGAE AND HOSPITAL WASTEWATER
Authors: Bendakovská Lenka | Krejčová Anna | Černohorský Tomáš | Zvoníčková Kateřina
Year: 2014
Type of publication: článek v odborném periodiku
Name of source: Chemické listy
Publisher name: Česká společnost chemická
Place: Praha
Page from-to: S154-S159
Titles:
Language Name Abstract Keywords
cze ICP-oTOF-MS ANALÝZA PLATINY V ŘASÁCH A NEMOCNIČNÍCH VODÁCH Hmotnostní spektrometrie s ionizací v indukčně vázaném plazmatu s ortogonálním průletovým detektorem (ICP-oTOF-MS) a optická emisní spektrometrie s buzením v indukčně vázaném plazmatu (ICP-OES) byly hodnoceny za účelem jejich dalšího použítí pro stanovení platiny v řasách z bioakumulačních pokusů a v odpadních nemocničních vodách. řasa; Parachlorella kessleri; biokoncentrační factor; ICP-oTOF-MS; ICP-OES; nemocnicční odpadní vody
eng ICP-oTOF-MS ANALYSIS OF PLATINUM IN ALGAE AND HOSPITAL WASTEWATER The ICP-oTOF-MS (orthogonal time-of-flight inductively coupled plasma mass spectrometry) and ICP-OES (inductively coupled plasma optical emission spectrometry) methods were evaluated with regard to their possible use for determination of Pt in hospital wastewater and algae Parachlorella kessleri gained from laboratory growth experiments. A way of sample preparation of algae prior analysis was optimised. For the ICP-oTOF-MS method (internal standard Rh 10 mu g L-1), instrumental LODs (limits of detection) were obtained on isotopes Pt-194 195 196 0.0241-0.0338 mu g L-1, procedural LODs for algae samples 0.121-0.169 mg kg(-1) and for WWTP (wastewater treatment plant) samples 0.0525-0.0845 mu g L-1. The ICP-oTOF-MS method was proved to be suitable for monitoring of Pt in algae and wastewater samples. The ICP-OES (Pt 214.42 nm) procedural LOD for algae samples 2.38 mg kg(-1) (instrumental LOD 4.76 mu g L-1) did not meet concentrations in algae from growth experiments. Pt in the WWTP wastewaters samples was followed without any preconcentration step. Lower concentrations were found in the WWTP output than in the input. Based on Pt in algae growth experiments, BCFs (bioconcentration factors) were estimated according to Pt species presented: 440-610 ((NH4)(2)PtCl6), 690-1440 (the WWTP input) and 2510-2930 (the WWTP output), all in L kg(-1). alga; Parachlorella kessleri; bioconcentration factor; ICP-oTOF-MS; ICP-OES; hospital wastewater

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