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Silver
CONTROL AND CONCENTRATE-GRADE ANALYSIS INSTRUMENTAL AND GRAVIMETRIC ANALYSIS CODE ELEMENT
LIMIT(S)
DESCRIPTION
EXPLORATION GRADE ANALYSIS ACID DIGESTION - INSTRUMENTATION CODE ELEMENT
GC_AAS43V100
Ag Au Ag Au Ag Ag Ag
1 - 1,000 ppm
Variable wt, 4-acid digest, AAS finish
GC_FAG32V
0.01 - 1,000 ppm
30 g, Fire assay, AAS finish (Au) gravimetric finish (Ag)
LIMIT(S)
DESCRIPTION
≥ 10 ppm ≥ 0.5 ppm ≥ 10 ppm
GE_AAS22E50 GE_AAS33E50
Ag Ag Ag
0.3 - 100 ppm 0.3 - 100 ppm 0.3 - 100 ppm
2 g, 2-Acid digest, AAS finish 2 g, 3-Acid digest, AAS finish
GC_FAG33V
30 g, Fire assay, gravimetric finish (Au, Ag)
GE_AAS42E50 2 g, 4-Acid digest, AAS finish Note: It is recommended that mineralized samples with Ag >30 ppm are analyzed using the GO_AAS21C50 method below. Silver (Ag) can also be analyzed in many multi-element packages.
GC_ACA22D100V
2 - 2,000 ppm 0.01 - 99.5%
Carbon, 1 g, ash, acid digest, extract, AAS finish 100-500 mg, Fire assay, gravimetric finish
GC_BUL36V
ORE-GRADE ANALYSIS ACID DIGESTION - INSTRUMENTATION CODE ELEMENT
LIMIT(S)
DESCRIPTION
GO_AAS21C50
Ag
1 - 300 ppm
0.5 g, 2-Acid digest, AAS finish
GRAVIMETRIC ANALYSIS CODE
ELEMENT
LIMIT(S)
DESCRIPTION
GO_FAG32V
Au Ag Au Ag Au Ag
0.01 - 100 ppm 10 - 10,000 ppm 0.5 - 10,000 ppm 10 - 10,000 ppm 0.01 - 100 ppm 10 - 10000 ppm
30 g, Fire assay, AAS finish (Au) gravimetric finish (Ag)
GO_FAG33V
30 g, Fire assay, gravimetric finish (Au, Ag)
GO_FAG52V
50 g, Fire assay, AAS finish (Au), gravimetric finish (Ag)
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