PROCESS CONTROL ANALYSIS
Battery metals / critical metals
Gold, platinum and palladium CODE
ELEMENT LIMIT(S)
DESCRIPTION
Minerals and metals that are supporting climate change and the energy transition
Au
Variable wt, Fire assay, ICP-OES finish
GC_FAI35V10
0.02 ppm - 20% 0.02 ppm - 20% 0.02 ppm - 20% 0.02 ppm - 20% 0.02 ppm - 20% 0.02 ppm - 20%
Pt
Copper Copper can occur as oxide, sulphide and metallic forms in mineral deposits and metallurgical products so there are a variety of different analytical techniques available.
Pd Au
Variable wt, Fire assay, AAS finish
GC_FAA35V10
Pt
Pd
Exploration grade copper methods CODE LIMIT(S)
Platinum group elements CODE
DESCRIPTION
ELEMENT LIMIT(S)
DESCRIPTION
Aqua regia – ICP-OES Aqua regia – ICP-MS 4-Acid digest – ICP-OES
GE_ICP21B20 GE_IMS21B20 GE_ICP40Q12 GE_ICP90A50
0.5 ppm - 1% 0.5 ppm - 1% 0.5 ppm - 1% 10 ppm - 5%
30 g, Fire assay nickel sulphide collection, ICP-OES
GC_FAI41V10
Au
≥ 0.02 ppm ≥ 0.13 ppm ≥ 0.02 ppm ≥ 0.02 ppm ≥ 0.02 ppm ≥ 0.02 ppm
Ir
Pd
Fusion – ICP-OES
Pt
Rh Ru
Ore-grade copper methods CODE
LIMIT(S)
DESCRIPTION
This method is not available in all SGS laboratories; please contact your SGS customer service agent.
GO_ICP21B100 GO_ICP42Q100
0.01 - 30% 0.01 - 30%
Aqua regia digest – ICP-OES 4-Acid digest – ICP-OES
CODE
ELEMENT LIMIT(S)
DESCRIPTION
Ir
0.02 ppm 0.02 ppm 0.02 ppm 0.02 ppm 0.05 ppm
Concentrate-grade copper methods CODE LIMIT(S)
Pd
30 g, Fire assay nickel sulphide collection, ICP-MS
GC_FAM42V10
Pt
DESCRIPTION
Rh Ru
S hort iodide titratio n Electrogravimetry
GC_CON13V GC_CON03V*
15 - 60% 5 - 95%
This method is not available in all SGS laboratories. Samples can be analyzed for Osmium by neutron activation. Please contact your SGS customer service agent
*These methods can be done at party or umpire quality.
Mineral selective copper methods CODE LIMIT(S)
DESCRIPTION
Cu oxide method, citric acid leach, AAS
GC_AAS70D200 GC_AAS71C50 GC_AAS74C50 GC_AAS75D100 GC_AAS01D250
≥ 0.002% ≥ 0.001% ≥ 0.001% ≥ 0.001% ≥ 0.001%
Cu H2SO4 soluble, AAS Cu acetic acid soluble, AAS
CN soluble Cu, AAS
Metallic Cu, AgNO3 leach, AAS
36
37
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