Improved assay for bismuth in biological samples by atomic absorption spectrophotometry with hydride generation.

Determination of trace amounts of total arsenic in environmental samples by hydride generation flow injection-AAS using a mixed acid as a pretreatment agent.

A method is described for the determination of total arsenic by hydride generation-atomic absorption spectrophotometry using a mixed acid as a pretreatment. Hydride generation is done by the flow-injection method. The authors investigated in detail the temperature and time of decomposition using inorganic, organic arsenic and environmental standard samples, pretreated with nitric-perchloric-sul...

Arsenic and antimony determination in refined and unrefined table salts by means of hydride generation atomic absorption spectrometry–comparison of sample decomposition and determination methods

An evaluation was made of different digestion methods for the determination of arsenic and antimony in table salt samples prior to hydride generation atomic absorption spectrometric analysis. Microwave acid digestion, classical wet digestion, dry ashing, and fusion were applied to the decomposition of salt samples and optimum conditions were investigated. Samples were decomposed by changing hea...

Determination of Arsenic in Biological Material by Hydride Generation Atomic Absorption Spectrometry Method

A hydride generation atomic absorption spectrometry method for arsenic determination in biological material was prepared. The samples were digested in muffle furnace at 550oC. The ash was dissolved in 4.5 N hydrochloric acid and the final solution was diluted in 10% hydrochloric acid. The arsenic was determined using a Perkin-Elmer atomic absorption spectrometer equipped with electrodeless disc...

Speciation of Arsenic(W) and Arsenic(V) in Sediment Extracts by High-Performance liquid Chromatography-Hydride Generation Atomic Absorption Spectrophotometry

Determination of inorganic arsenic in marine food samples by hydrochloric acid distillation and flow-injection hydride-generation atomic absorption spectrometry.

A simple, rapid, and reliable method was developed for determination of inorganic As in biological samples such as fish fillet. Inorganic AS was distilled from the sample as AsCl3 with HCl. The separated inorganic AS was determined by flow-injection hydride-generation atomic absorption spectrometry after prereduction with KI and HCl. The influences of various concentrations of KI, ascorbic acid...