Ontology highlight
ABSTRACT:
SUBMITTER: Yong L
PROVIDER: S-EPMC2040127 | biostudies-literature | 2006 Nov
REPOSITORIES: biostudies-literature
Yong Li L Armstrong Kristie C KC Dansby-Sparks Royce N RN Carrington Nathan A NA Chambers James Q JQ Xue Zi-Ling ZL
Analytical chemistry 20061101 21
A new method for pretreating blood samples for trace Cr analysis is described. The advanced oxidation process (AOP with H2O2 and 5.5-W UV irradiation for 60 min) is used to remove biological/organic species for subsequent analysis. Prior to the AOP pretreatment, acid (HNO3) is used at pH 3.0 to inhibit the enzyme catalase in the blood samples. Catalytic adsorptive stripping voltammetry at a bismuth film electrode gives a Cr concentration of 6.0 +/- 0.3 ppb in the blood samples. This concentratio ...[more]