Analytical Suite Metadata

NGR BC AAS stream sediments and moss mats (Hg)

NGR British Columbia stream samples (sediments and moss mats), analysis by atomic absorption spectroscopy (AAS) for Hg.

General Methodology:

Digestion by 20 ml HNO3 and 1 ml HCl.  10% stannous sulphate added to evolve mercury vapour.  Atomic absorption spectrophotometer.  After Jonasson et al. (1973).

Jonasson, I.R., Lynch, J.J. and Trip, L.J. (1973).  Field and laboratory methods used by the Geological Survey of Canada in geochemical surveys: no. 12, Mercury in ores, rocks, soils, sediments and water.  Geol Surv. Can. Paper 73-21.

Instrument: unstated

Sample material: solid

Sample weight: 500 milligrams

Analytical Technique:

Hierarchical classification

Technique >> Spectroscopy >> Electromagnetic radiation >> Visible-ultraviolet >> Atomic >> Absorption >> Cold vapour



Analytical Decomposition:

Hierarchical classification

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


Aqua Regia (s.s.) | Lefort | Aqua Regia (Acme/BVM) | Aqua regia (NGR) | Aqua regia (NASGLP)

Analytical Methods:

IndexMethod OrderMethod IDQuantityDetection Limit
1  5849     Hg_AAS  10

Associated Analytical Packages:

IndexPackage IDPackage Name
1  310     Chemex (NGR BC stream sediment and moss mat samples, 1988)
2  311     Barringer Magenta (NGR BC stream sediment and moss mat samples, 1989)
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