Analytical Sample Bundle Metadata



Type: lab data

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

Bundle Description

NGR lake sediment analysis, Ontario 1982, NTS 31D, 31E 41H, atomic absorption spectroscopy (8 elements + As + Cd + Mo + V), cold vapour (Hg), LOI at 500°C, uranium, Chemex Labs Ltd, Vancouver.

These analytical data are published in GSC OF 900.

Sample Classification (Analytical)

IndexSample CountSurveySample TypePrep Lab MaterialControl RefUnknown SourceDuplicates count
62     Control Reference Unspecified Yes  No 
1157  NGR lake sediment and water survey, NTS 31D (N½), 31E (S½), 41H/8, southern Ontario, 1982 (more) NGR lake sediment grab sample <177 micron (NGR) No  No  124 

Analytical Package Description

Laboratory: Chemex Labs Limited

Name: Chemex (NGR lake sediment) AAS (8+4), CVAAS (Hg), LOI500, U (more)

Chemex (National Geochemical Reconnaissance), lake sediment; atomic absorption spectroscopy (8 elements: Zn, Cu, Pb, Ni, Co, Ag, Mn, Fe + Cd; air-acetylene flame, decomp: 4HCl 1HNO3) + atomic absorption spectroscopy (arsenic; hydride evolution) + atomic absorption spectroscopy (molybdenum, vanadium; nitrous oxide-acetylene flame) + atomic absorption spectroscopy (mercury; cold vapour) + LOI at 500°C + neutron activation-delayed neutron counting (uranium - flux 1012 N/cm2/ s)

Analytical Suites:

1  Chemex (lake sediment) AAS (Zn, Cu, Pb, Ni, Co, Ag, Mn, Fe, Cd; air acetylene flame) – 6ml, held for 2hrs
2  Chemex AAS (As; hydride evolution) decomp: 6 ml - 4 HCL 1 HNO3
3  AAS (Mo,V (dl=5); nitrous oxide acetylene)
4  Chemex (lake and stream sediments) CVAAS (Hg)
5  Chemex (lake and stream sediments) LOI
6  Chemex (lake sediment) NADNC (U)-flux 1012, d.l.= 0.05ppm

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  V_AAS    V  ppm 5  
13  Hg_AAS    Hg  ppb 10  
14  LOI    LOI  percent 1  
15  U_NADNC    U  ppm 0.5  
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