Clarkdale Slag Project · Due Diligence

Ground slag XRF — full element suite

Thermo Fisher Scientific Niton XL5 · Ground Slag Sample · 2023-12-12 · values in ppm, ±2σ

ThermoFisher Scientific
Niton XL5
Reading
Ground Slag Sample	Mode
		Elements	Al	Ag	As	Au	Ca	Co	Cr	Cu	Fe	Hg	In	Ir	Mn
results in ppm	Soils	Result		9	399		59035	746	27	3365	256555	37			301
		+/-2σ		5	6		399	102	11	25	216	9			25
	Mining	Result	933		355	12	64938	839	69	3925	225521	50			249
		+/-2σ	331		8	6	644	106	22	34	288	7			34
	Precious Metals	Result	<DL			841		5306	815	27664	805410		150	6447	1343
		+/-2σ				84		442	143	377	861		50	276	178
		Elements	Mo	Nb	Ni	P	Pb	S	Si	Sn	Sr	Ti	V	Zn	Zr
	Soils	Result	14		<DL		272	2820		96	229	581	30	17174	86
		+/-2σ	1				5	309		6	2	44	12	33	3
	Mining	Result	21	11	41	224	293	4770	14144	123	263	974	70	18283	101
		+/-2σ	1.5	1	14	96	6	63	159	6	2	95	27	63	2
	Precious Metals	Result	2645	1262	819		2330					6503	2043	133796
		+/-2σ	83	73	162		99					540	283	705

Three instrument modes (Soils, Mining, Precious Metals) run on the same ground slag sample. <DL = below detection limit. Handheld XRF quantifies base metals only — it cannot quantify rare-earth elements.

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