AG-AU-ORE1 | Carlin-Type Gold Ore CRM | 8.9 ppm Au | 32mm XRF Sample Cup

Enhance your XRF calibration and gold exploration workflows with this certified reference material (CRM) prepared in a 32mm XRF sample cup, sealed with 6-micron polypropylene film. Each unit ships from the USA and is in stock, ready for immediate dispatch to your lab or field site.

This CRM, MBH-AU-ORE1-21-P, represents a Carlin-type gold ore and is certified for 8.9 ppm gold (Au) via 30g fire assay. Rich in arsenic, pyrite, and arsenopyrite, this ore is ideal for geochemical calibration, especially for gold pathfinder elements like As, Sb, Tl, Ba, W, and Hg.

Prepared for Direct XRF Analysis
Each sample is pre-packaged in a sealed 32mm cup, perfect for benchtop or handheld XRF analyzers. The included 6μm polypropylene window is compatible with light-element analysis, but may be replaced by the end-user for custom applications.

Key Features:

Ships from the USA
In Stock Now
XRF-Ready CRM with Proven Geological Relevance

Certified Chemical Composition

Major Elements (wt%)

Element	Certified Value	Oxide	Certified Value
Al	2.90	Al₂O₃	5.48
Ca	2.39	CaO	3.35
Fe	1.64	Fe₂O₃T**	2.35
K	0.60	K₂O	0.72
Mg	0.85	MgO	1.41
Mn	0.0066	MnO	0.0085
P	0.062	P₂O₅	0.143
Si	36.8	SiO₂	78.8
Ti	0.167	TiO₂	0.278

*Number of observations
**Total expressed as ferric iron Fe₂O₃

Minor and Trace Elements (mg/kg)

Element	Certified Value	Element	Certified Value	Element	Certified Value
Ag	0.21	Hg	11.4	Sm	3.6
As	1079	Hf	3.9	Sn	2.6
Au*	8.9	Ho	0.47	Sr	35
Ba	2311	La	23.7	Ta	0.38
Bi	0.199	Li	30.5	Tb	0.43
Cd	0.96	Lu	0.19	Te	0.29
Ce	41	Mo	10.4	Th	5.6
Co	4.5	Nb	5.5	Tl	17.7
Cr	45	Nd	19.5	U	4.9
Cs	3.76	Ni	30	V	136
Cu	29.9	Pb	6.9	W	32
Dy	2.47	Pr	5.2	Y	15.1
Er	1.34	Rb	33.6	Yb	1.23
Eu	0.70	S	1.65	Zn	90
Ga	6.4	Sb	106	Zr	153
Gd	3.1	Sc	4.3

*Au determined by fire assay (30g sample)

Indicative Values (mg/kg)

Element	Value	Element	Value	Element	Value
Be	0.6	C	1.03 wt%	Ge	0.1
In	0.05	Na	400	Re	0.008
Se	1.5	Tm	0.2

Available as powder pressed into a 32mm sample cup. XRF Film provided is 6um XRF grade polypropylene. End user may swap film to the film of their liking. Amount of sample: 10g.

Certificate of Analysis

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