[Research advance in slurry introduction for graphite furnace atomic absorption spectrometry].

ABSTRACT

Slurry introduction graphite furnace atomic absorption spectrometry combining the significant advantages of the solid and liquid sampling methods is already considered as a mature technique. It was widely utilized for metal determination in trace and even ultra trace analysis in organic and inorganic complicated matrix, even for routine analysis. Methodology of the analysis of various materials using slurry furnace atomic absorption spectrometry was reviewed in the present paper in late 10 years. Techniques of slurry preparation (liquid media, stabilizing agents, mass/volume ratio, particle size and slurry homogenization systems), the chemical modification, background correctors, calibration, precision and trueness of analysis were described in detail. The developing trend has also presented. Eighty one references were cited.