Analytical Suite Metadata

Bondar Clegg (stream sediment) DCP (Ba) – 2.5% boric acid



Bondar Clegg, stream sediment; direct current plasma emission spectroscopy (Barium) – 2.5% boric acid

General Methodology:

Barium was determined as follows: 2 mL of concentrated HCl were added to a 0.2 g sample in a pressure tube and allowed to stand 20 minutes to drive off sulphides. Then, 1 mL HNO3, 1 mL HClO4 and 2 mL HF are added and the pressure tube capped and placed in a hot water bath for one hour to allow digestion. The tube was cooled, uncapped and filled with a 2.5% boric acid solution. After shaking, the solution was transferred to a 100 mL volumetric flask and diluted by a factor of 10 with a 10% cesium chloride solution. Barium was determined by DCP spectroscopy. Detection limit = 40 ppm.

Instrument: unstated

Sample material: solid

Sample weight: unstated


Analytical Technique:

Hierarchical classification

Technique >> Spectroscopy >> Electromagnetic radiation >> Visible-ultraviolet >> Atomic >> Emission >> Direct current plasma

Children

None


Analytical Decomposition:

Hierarchical classification

Decomposition >> Aqueous dissolution >> Acid >> Strong Acid >> 4 ACID

Children

4-acid (Acme)


Analytical Methods:

IndexMethod OrderMethod IDQuantityDetection Limit
1  2199     Ba_DCP  40

Associated Analytical Packages:

IndexPackage IDPackage Name
1  426     Bondar Clegg (NGR stream sediment) AAS (8+6), DCP (Ba), CVAAS (Hg), W, LOI, F, U
2  427     Bondar Clegg (NGR stream sediment) AAS(8+6), DCP (Ba), CV(Hg), COL (W), LOI at 500°C, F, U
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