Analytical Suite Metadata

Chemex (lake and stream sediment) AAS (Sb; hydride evolution) - 3ml conc



Chemex, lake and stream sediment; atomic absorption spectroscopy (antimony; hydride evolution) - [500mg, 3ml conc]

General Methodology:

Antimony was determined as described by Aslin (1976).  A 500 mg sample is placed in a test tube; 3 ml concentrated HNO3 and 9 ml concentrated HCl are added and the mixture is allowed to stand overnight at room temperature.  The mixture is heated slowly to 90oC and maintained at this temperature for at least 90 minutes.  The solution is cooled and diluted to 10 ml.  A 400 μL aliquot of this test solution is removed and diluted to 10 ml with 1.8 M HCl. The antimony in an aliquot of this dilute solution is then determined by hydride evolution - atomic absorption spectrometry.

Reference:

Aslin, G.E.M. (1976).  The determination of arsenic and antimony in geological materials by flameless atomic absorption spectrophotometer. Journal of Geochemical Exploration v6, p321-330.

Instrument: unstated

Sample material: solid

Sample weight: unstated


Analytical Technique:

Hierarchical classification

Technique >> Spectroscopy >> Electromagnetic radiation >> Visible-ultraviolet >> Atomic >> Absorption >> Hydride

Children

None


Analytical Decomposition:

Hierarchical classification

Decomposition >> Aqueous dissolution >> Acid >> Moderate Acid >> Aqua Regia (s.l.) >> Aqua Regia (s.s.)

Children

None


Analytical Methods:

IndexMethod OrderMethod IDQuantityDetection Limit
1  1017     Sb_AAS  0.2

Associated Analytical Packages:

IndexPackage IDPackage Name
1  416     Chemex (NGR lake sediment) AAS (8+5), CVAAS (Hg), COL(W), LOI, NADNC (U-5**10)
2  417     Chemex (NGR stream sediment)  AAS (8+5), CVAAS (Hg), COL(W), LOI, NADNC (U-5**10)
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