Geochemistry Guide 2024

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Generic / Multi-element Ores Generic ore, concentrate and metallurgical materials compatible analytical methods with a wide dynamic range using XRF.

GO_XRF70V PYROSULPHATE FUSION / XRF BASE METAL PACKAGE (10 ELEMENTS) ELEMENTS AND LIMITS Co 0.01 - 100% Fe 0.02 - 100%

Ni 0.01 - 100% Pb 0.01 - 100%

Zn 0.01 - 100%

Cr 0.01 - 100% Cu 0.01 - 100%

Mn 0.01 - 100% Mo 0.005- 100%

W 0.02 - 100% The oxidizing borate fusion method (XRF76) is suitable for mineralized samples with sulphides, metal concentrates, metallurgical samples as well as ferro alloys, with the exception of FeSi. The default oxidizer is NaNO3, some sites offer LiNO3 to enable Na2O reporting. Please enquire on availability.

GO_XRF76 Analyte

Reported as

Standard

Extension

Extension with REE

Range

Al

Al 2 O 3 As 2 O 3 BaO Bi 2 O 3 CaO Ce 2 O₃ Co 3 O 4 Cr 2 O 3 CuO Cs 2 O Dy 2 O 3 Eu 2 O 3 Fe 2 O 3 Gd 2 O 3 F La 2 O 3 MgO Mn 3 O 4 MoO 3 Na 2 O Nb 2 O 3 Nd 2 O 3 HfO 2 K 2 O

X

X

X

0.01 - 100% 0.01 - 10% 0.01 - 40% 0.01 - 20% 0.01 - 80% 0.02 - 50% 0.01 - 100% 0.01 - 75% 0.01 - 75% 0.01 - 25% 0.02 - 10% 0.02 - 10% 0.5 - 50% 0.01 - 100% 0.02 - 10% 0.01 - 10% 0.01 - 40% 0.02 - 50% 0.1 - 80% 0.01 - 100% 0.01 - 50% 0.1 - 58% 0.01 - 50% 0.02 - 50% 0.01 - 100% 0.01 - 40% 0.01 - 100% 0.02 - 50% 0:02 - 35% 0.01 - 25% 0.1 - 100% 0.02 - 10% 0.01 - 100% 0.2 - 90% 0.01 - 20% 0.01 - 50% 0.01 - 3% 0.01 - 80% 0.01 - 1% 0.01 - 10% 0.01 - 70% 0:02 - 10% 0.01 - 70% 0.02 - 40% -10 - 100%

As Ba

Optional

Optional

Optional

X

X X X X X X

X

Bi

Ca Ce Co

X

X X X X X

Optional

Cr

X X

Cu Cs Dy Eu

Optional

Optional

Graphitic Carbon Our capabilities span the lifecycle from exploration to production with targeted analysis.

X X

F

Optional

Optional

Optional

Fe Gd

X

X

X X

GRAPHITIC CARBON PACKAGES CODE(S)

Hf

Optional

Optional

Optional

ELEMENTS/ LIMIT(S)

DESCRIPTION

MIN. SAMPLE WT. (g)

K

X

X

X X X X

GE_CSA05V GE_CSB05V GC_CSA05V

La

C graphitic (0.05%) C graphitic (0.05%)

Coulometry

0.1 0.2

Mg Mn Mo Na Nb Nd

X X

X X X

Leach;

IR Combustion IR Combustion

Per Oxidizer

Per Oxidizer

Per Oxidizer

GC_CSA06V

Total Carbon (0.01%) *Ash content (0.01-10%)

0.1 - 0.3

X

TM_AMC561_M 20 Note: High temperature carbon analyzer available at some sites for carbon concentrates requiring greater precision. Contact your customer service agent. *Ash content is not a suitable measurement of graphite purity for samples containing carbonates or other non-graphitic carbon species and is only recommended for samples >90% graphite. Gravimetric

X X X X X X

Ni

NiO P 2 O 5 PbO

X X X

X X X X X X X X X X X X X X X

P

Pb

Pr

Pr 6 O 11 Rb₂O Sb 2 O 3

Rb Sb

GC_ICP95V100 IMPURITIES FOR GRAPHITIC CARBON ELEMENTS AND LIMIT(S) Al ≥ 10 ppm

Si

SiO 2

X

X X

Sm

Sm 2 O 3

K ≥ 8 ppm Mg ≥ 3 ppm Mn ≥ 0.4 ppm Mo ≥ 4 ppm

P ≥ 20 ppm Si ≥ 30 ppm Ti ≥ 0.8 ppm

Sn

SnO 2

Ba ≥ 0.3 ppm Ca ≥ 10 ppm Co ≥ 2 ppm Cr ≥ 4 ppm Cu ≥ 10ppm

S

SO 3 SrO

X

X X

Sr Ta Th

Optional

V ≥ 1 ppm

Ta 2 O 5 ThO 2 TiO 2 U 3 O 8 V 2 O 5 WO 3 Y2O3₃

Na ≥ 5 ppm Ni 4 ≥ ppm

Zn ≥ 20 ppm Zr ≥ 0.3 ppm

Ti U

X

X

Fe ≥ 20 ppm Requires a minimum sample weight of 20 g. Note: Trace impurities are determined by lithium metaborate fusion with ICP-OES analysis on residue obtained by ashing (TM_AMC561_M). Additional impurity elements are available upon request. Graphitic carbon and impurity analysis are not available at all SGS locations, please enquire.

V

X

X

W

Y

X X

Zn

ZnO ZrO 2

X

X X

Zr

Optional Optional Optional

LOI (1000 0 C)*

Optional Optional

Optional Optional

Moisture (as received)

≥ 0.01%

54

55

*G_PHY01V or G_PHY02V

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