Analytical Package Metadata

Chemex (NGR lake sediment) AAS (8+5), CVAAS (Hg), COL(W), LOI, NADNC (U-5**10)



Analytical Package Download

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 (National Geochemical Reconnaissance), lake sediment; atomic absorption spectroscopy (8 elements +Cd + As + Mo + Sb + Ba) + atomic absorption spectroscopy (mercury; cold vapour) + colorimetry (tungsten) + LOI at 500°C + neutron activation-delayed neutron counting (uranium- 5**10 flux, Helium detector tubes, 20s)

Analytical Suites:

IndexName
1  Chemex (lake sediment) AAS (8 + Cd; air acetylene) - decomp: 4HNO3 1HCL
2  Chemex AAS (As; hydride evolution) 6ml decomp: 4 HNO3 1 HCL
3  Chemex (lake and stream sediments) AAS (Mo; nitrous oxide-acetylene)
4  Chemex (lake and stream sediments) CVAAS (Hg)
5  Chemex (lake and stream sediments) LOI
6  Chemex (lake and stream sediment) AAS (Sb; hydride evolution) - 3ml conc
7  Chemex (lake and stream sediment) COL(W)
8  Chemex (lake and stream sediment) AAS (Ba; nitrous oxide)
9  Chemex (lake and stream sediment) NADNC ( U – 5**10, He detector, 20s, d.l.=0.5)

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  Cd_AAS    Cd  ppm 0.2  
10  As_AAS    As  ppm 1  
11  Mo_AAS    Mo  ppm 2  
12  Hg_AAS    Hg  ppb 10  
13  LOI    LOI  percent 1  
14  Sb_AAS    Sb  ppm 0.2  
15  W_Col    W  ppm 2  
16  Ba_AAS  10    Ba  ppm 40  
17  U_NADNC  11    U  ppm 0.5  

Associated Analytical Sample Bundles:

IndexBundle IDBundle NameYear
1  210608     NGR-0118-1986-BC-LS-1   1987
Date modified: