Keywords

Aqua regia (NGR-S, alternate)



Keyword Definition

NGR aqua regia digestion for stream sediments:

Nitric acid for 30 minutes at 90°C; addition of hydrochloric acid and continued digestion at 90°C for another 90 minutes

 [method #4]



Hierarchical classification

Decomposition >> Aqueous dissolution >> Acid >> Moderate Acid >> Aqua Regia (s.l.) >> Aqua regia (NGR) >> Aqua regia (NGR-S, alternate)

Children

None


Category: Decomposition techniques

The different kinds of analytical decompositions have been classified hierarchically. Examples: “fusion”, “acid” Taken from the “Analytical_Decompositions_SHARED” database table.


Associated Analytical Suites:

IndexSuite IDSuite Name
1  219     Chemex (lake and stream sediments) AAS (8 elements; air-acetylene) (NGR aqua regia #4)

Associated Analytical Packages:

IndexPackage IDPackage Name
1  152     Chemex (URP stream sediment) AAS (8+Mo), CVAAS (Hg)
2  158     Chemex (URP stream sediment) AAS (8+Mo+Ba), CVAAS (Hg), COL(W)
3  274     Chemex (URP stream sediment) AAS (8+As+Mo), CVAAS (Hg), COL(W dl=2ppm)
4  369     Chemex (URP stream and lake sediment) AAS(8+Mo), COL(W, dl=4ppm)
5  370     Chemex (URP stream sediment) AAS (8+Mo), COL(W)
6  374     Chemex (URP stream sediment) AAS (8+As+Mo), CVAAS (Hg), COL (W, dl 4ppm)
7  378     Chemex (URP stream sediment) AAS (8+As+Mo+Sb), CVAAS (Hg), COL(W)
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