Determination of iodine in geothermal water samples – preliminary ICP-MS method validation results | Zendy

Anna Mika | Zendy; Katarzyna Wątor | Zendy; Ewa Kmiecik | Zendy; Klaudia Sekuła | Zendy

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Determination of iodine in geothermal water samples – preliminary ICP-MS method validation results

Author(s) -

Anna Mika,

Katarzyna Wątor,

Ewa Kmiecik,

Klaudia Sekuła

Publication year - 2018

Publication title -

water science and technology water supply

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 39

eISSN - 1607-0798

pISSN - 1606-9749

DOI - 10.2166/ws.2018.186

Subject(s) - inductively coupled plasma mass spectrometry , correlation coefficient , geothermal gradient , iodine , chemistry , linearity , inductively coupled plasma , accuracy and precision , mass spectrometry , chromatography , analytical chemistry (journal) , statistics , mathematics , geology , plasma , physics , organic chemistry , quantum mechanics , geophysics

Iodine is a microelement which occurs in natural water in different concentrations dependent on water type, origin and total dissolved solids concentration. The objects of research were natural geothermal water. In this paper, the fitness of the inductively coupled plasma mass spectrometry (ICP-MS) method for iodine determination in water with higher temperatures was tested and selected methodological problems were discussed. Basic method parameters (precision, accuracy, linearity, uncertainty) were determined. Calculated statistical parameters of the validated method fulfil the assumed criteria. The received results (correlation coefficient equal to 0.999) show that the linearity of the ICP-MS method is good. The accuracy was expressed as recovery (R) and according to the literature is at an acceptable level. The results of precision assessments (RSD) also correspond to the literature data.

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