Large Aliquot Injection Approach in the Electrothermal AAS Determination of Arsenic in Environmental Water Samples

Large-Volume Injection Electrothermal AAS Combined with Tungsten-treated Pyrolytic Graphite Furnace: Determination of Cadmium in Tap, Snow and River Water Samples with Phosphate Modifier

“…2 The analytical effectiveness of a Wtreated pyrolytic graphite (PG) furnace has been reported by Imai et al, which provides for the stable injection of a large volume (100 µl) of solution of Pb and As with high precision. 3,4 Recently, it was found for Cd that a sample solution was condensed at the center of the sample compartment at any volume in 10 -100 µl, and was vaporized smoothly without the formation of any bubble during the dry stage only in the Wtreated PG furnace. 5 A distribution with a higher density of Cd in the center area after dry stage was observed by an atomicabsorption measurement of small cores collected from the furnace inner wall.…”

Single drop surface modified graphite furnace atomic absorption spectrometry for large volume injection: determination of cadmium

“…In the case of As, the large volume injection was successful. 11 Although the enhancement of precision and the linear relationship would be dependent on the phenomena before pyrolysis, poor sensitivity of Pb and As would make further investigation difficult. Cadmium is favorable to the investigation of the distribution of trace levels of analyte elements in the graphite furnace because of its high sensitivity.…”