%0 Journal Article %T Natural analcime zeolite modified with 2,3,5,6-tetra(2-pyridyl)pyrazine for preconcentration and determination of trace amounts of cadmium by flame atomic absorption spectrometry %A SHokooh Saljooghi, Amir %A Zoheir Shokouh Saljoghi %J Toxicology and Industrial Health %@ 0748-2337 %D 2011