Analytical Package Metadata

Chemex (URP stream sediment) AAS (8+As+Mo), CVAAS (Hg), COL (W, dl 4ppm)



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Download analytical data for this package in one of three formats, depending on the desired convention for treating values below the lower detection limit:

Analytical Package Description

Laboratory: Chemex Labs Limited

Chemex (Uranium Reconnaissance Program) stream sediments; atomic absorption spectroscopy (8 elements: Zn, Cu, Pb, Ni, Co, Ag, Mn, Fe; air-acetylene flame) + atomic absorption spectroscopy (arsenic hydride generation) + atomic absorption spectroscopy (molybdenum; nitrous oxide-acetylene flame) + colorimetry (tungsten-detection limit 4 ppm, using pyrosulfate and dithiol) + flameless spectroscopy (mercury)

Analytical Suites:

IndexName
1  Chemex (lake and stream sediments) AAS (8 elements; air-acetylene) (NGR aqua regia #4)
2  Chemex (lake and stream sediments) AAS (As; hydride generation)
3  Chemex (lake and stream sediments) AAS (Mo; nitrous oxide-acetylene)
4  Chemex (stream sediments) COL (W)- using pyrosulfate and dithiolcarbonate (dl = 4ppm)
5  Chemex (lake and stream sediments) CVAAS (Hg)

Analytical Methods:

IndexColumn NameSuite OrderMethod OrderSuite RepeatQuantityUnitsDetermination Limit
1  Zn_AAS    Zn  ppm 2  
2  Cu_AAS    Cu  ppm 2  
3  Pb_AAS    Pb  ppm 2  
4  Ni_AAS    Ni  ppm 2  
5  Co_AAS    Co  ppm 2  
6  Ag_AAS    Ag  ppm 0.2  
7  Mn_AAS    Mn  ppm 5  
8  Fe_AAS    Fe  percent 0.02  
9  As_AAS    As  ppm 1  
10  Mo_AAS    Mo  ppm 2  
11  W_Col    W  ppm 4  
12  Hg_AAS    Hg  ppb 10  

Associated Analytical Sample Bundles:

IndexBundle IDBundle NameYear
1  210454     NGR-0064-1978-BC-SS-1   1979
2  210457     NGR-0065-1978-BC-SS-1   1979
Date modified: