Detail publikace

Simultaneous Determination of Inorganic Arsenic, Antimony, Selenium and Tellurium by ICP-MS in Environmental Waters Using SPE Preconcentration on Modified Silica.

SOMMER, L. MACHÁT, J. URBÁNKOVÁ, K. MOOS, M.

Originální název

Simultaneous Determination of Inorganic Arsenic, Antimony, Selenium and Tellurium by ICP-MS in Environmental Waters Using SPE Preconcentration on Modified Silica.

Typ

článek v časopise - ostatní, Jost

Jazyk

angličtina

Originální abstrakt

This paper deals with a simplified multielement profiling of inorganic arsenic, antimony, selenium and tellurium in the form of 75As, 82Se, 121Sb and 125Te by ICP-MS for amounts less than 10 ug/L. Internal standards such as 72Ge and 209Bi were successfully used for the suppression of both influence of macro elements Na+, K+, Ca2+, Mg2+ or Al3+, and interference of limited concentrations of heavy metal ions. Modified silica sorbents Separon SGX C18, C8, CN, NH2, RPS and Phenyl were tested for the preconcentration of As, Sb, Se and Te (0.25-5 ug/L) in the form of ion associates with cationic surfactants from 50-250 mL sample volume. 1-etoxycarbonyl-pentadecyltrimethylammonium bromide (Septonex 0.005 mol/L) was suitable for this purpose in the presence of 4-(2-pyridylazo) resorcinol, 2-pyrrolidinecarbodithioate and 8-hydroxyquinoline-5-sulphonic acid. The quantitative retention occurred at pH 7 and the mixture of acetone with ethanol in ratio 1:1 in the presence of 0,1 mol/L HCl was used for the quantitative elution. Organic solvents and the excess of acid were removed by evaporation prior to the determination by ICP-MS. The determination of the above trace metalloids in various kinds of water with enrichment factor till 50 times on silica Separon SGX C18 and the above reagents were compared with the standard addition method.

Klíčová slova

arsenic, antimony, selenium, tellurium, solid-phase extraction (SPE), ICP-MS, waters

Autoři

SOMMER, L.; MACHÁT, J.; URBÁNKOVÁ, K.; MOOS, M.

Rok RIV

2011

Vydáno

12. 7. 2011

Nakladatel

Taylor and Francis

ISSN

1029-0397

Periodikum

International Journal of Environmental Analytical Chemistry

Ročník

91

Číslo

11

Stát

Spojené království Velké Británie a Severního Irska

Strany od

1077

Strany do

1087

Strany počet

10

BibTex

@article{BUT50325,
  author="Lumír {Sommer} and Jiří {Machát} and Kristýna {Urbánková} and Martin {Moos}",
  title="Simultaneous Determination of Inorganic Arsenic, Antimony, Selenium and Tellurium by ICP-MS in Environmental Waters Using SPE Preconcentration on Modified Silica.",
  journal="International Journal of Environmental Analytical Chemistry",
  year="2011",
  volume="91",
  number="11",
  pages="1077--1087",
  issn="1029-0397"
}