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Rocklabs Certified Reference Materials

Rocklabs is the world-leading producer of highquality certified reference materials (CRMs) for the gold, silver, platinum, and palladium minerals industries.

Accuracy that leaves chance in the dust.

Rocklabs is the world-leading producer of high-quality certified reference materials (CRMs) for the gold, silver, platinum, and palladium minerals industries.
Used by laboratories and exploration companies worldwide, our reference materials are an accurate and reliable way to determine quality assurance and control management in conjunction with sample testing.
CRMs (also known as laboratory standards), are pulverised rock with known mineral content, suitable for analysis by fire assay or aqua regia digest.
The final values are always assigned by an independent statistician, and a certificate, which includes details of the production and characterisation of the reference material, is issued with all sachets and jars.
Our professional team of chemists, geologists and statisticians are on hand to advise on the use of reference materials and the analysis of results to enable you to make better mining decisions.

Certificates & Specifications

Reference Materials Certified for Pt, Pd and Au

Material	Assigned Values & 95% Confidence Intervals			Packaging	Stock Level
	Platinum (ppm)	Palladium (ppm)	Gold (ppm)		(2.5kg jar)
PK3	4.291 (+/- 0.046)	6.028 (+/- 0.094)	5.038 (+/- 0.051)	50g sachets, 2.5kg jars	Low
PG04	0.903 (+/- 0.007)	1.196 (+/- 0.014)	1.004 (+/- 0.008)	30g & 50g sachets, 2.5kg jars	High
PD05	0.430 (+/- 0.005)	0.596 (+/- 0.006)	0.519 (+/- 0.004)	2.5kg jars	Low
PD06	0.424(+/- 0.004)	0.590 (+/- 0.008)	0.507 (+/- 0.004)	30g & 50g sachets, 2.5kg jars	High

Reference Materials Certified for Au and Ag

Material	Matrix Type	Assigned Values & 95% Confidence Intervals		Packaging	Stock Level
		Gold (ppm)	Silver (ppm)		(2.5kg jar)
AgAuBlank	Oxide	<0.002	<0.2	50g sachets only	High
SL107	Sulphide (3.2% S)	5.069 (+/- 0.03)	30.1 (+/- 0.4)	30g & 50g sachets, 2.5kg jars	High
SN104	Sulphide (3.3% S)	9.182 (+/- 0.057)	46.7 (+/- 0.6)	50g sachets, 2.5kg jars	Low
SN118	Sulphide (3.3% S)	8.917 (+/- 0.055)	49.9 (+/- 0.9)	30g & 50g sachets, 2.5kg jars	High
SP89*	Sulphide (3.5% S)	18.46 (+/- 0.08)	84.4 (+/- 1.1)	30g & 50g sachets, 2.5kg jars	Low
SP132	Sulphide (3.5% S)	18.2 (+/- 0.1)	84 (+/- 1.5)	30g & 50g sachets, 2.5kg jars	High
OxQ132*	Oxide	34.69 (+/- 0.22)	128.5 (+/- 1.9)	50g sachets only	Low
OxQ153	Oxide	34.78 (+/- 0.23)	128.0 (+/- 1.1)	30g & 50g sachets, 2.5kg jars	High
SQ130	Sulphide (10% S)	39.47 (+/- 0.31)	158.6 (+/- 2.8)	30g & 50g sachets, 2.5kg jars	High

*certificates available on request

Reference Materials Certified for Au

Material	Matrix Type	Gold (ppm) assigned values & 95% Confidence Intervals	Packaging	Stock Level (2.5kg jar)
Au Blank111	Oxide	<0.002	50g sachets only	High
OxA187	Oxide	0.080 (+/- 0.001)	30g & 50g sachets, 2.5kg jars	High
OxB186	Oxide	0.121 (+/- 0.001)	30g & 50g sachets, 2.5kg jars	High
OxC152	Oxide	0.216 (+/- 0.002)	50g sachets only	Low
OxC168	Oxide	0.213 (+/- 0.002)	50g sachets, 2.5kg jars	Medium
OxC185	Oxide	0.218 (+/- 0.002)	30g & 50g sachets, 2.5kg jars	High
SC127	Sulphide (2.0% S)	0.225 (+/- 0.002)	30g & 50g sachets, 2.5kg jars	Low
SC129	Sulphide (2.0% S)	0.231 (+/- 0.002)	30g & 50g sachets, 2.5kg jars	High
OxD157	Oxide	0.399 (+/- 0.004)	50g sachets only	Low
OxD169	Oxide	0.456 (+/- 0.004)	30g & 50g sachets, 2.5kg jars	Please enquire
OxD183	Oxide	0.453 (+/- 0.003)	30g & 50g sachets, 2.5kg jars	High
OxD184	Oxide	0.414 (+/- 0.003)	30g & 50g sachets, 2.5kg jars	High
SE125	Sulphide (2.3% S)	0.618 (+/- 0.004)	30g & 50g sachets, 2.5kg jars	High
OxE182	Oxide	0.663 (+/- 0.004)	30g & 50g sachets, 2.5kg jars	High
OxF162	Oxide	0.832 (+/- 0.008)	30g sachets only	Low
OxF165	Oxide	0.857 (+/- 0.005)	50g sachets	Low
OxF181	Oxide	0.814 (+/- 0.006)	30g & 50g sachets, 2.5kg jars	High
SF141*	Sulphide (2.5% S)	0.883 (+/- 0.008)	30g & 50g sachets, 2.5kg jars	High
OxG141	Oxide	0.930 (+/- 0.005)	2.5kg jars only	Please enquire
OxG179	Oxide	1.063 (+/- 0.009)	2.5kg jars only	Medium
OxG191	Oxide	1.093 (+/- 0.007)	30g & 50g sachets, 2.5kg jars	High
OxG180	Oxide	0.971 (+/- 0.009)	50g sachets only	High
OxG189	Oxide	0.987 (+/- 0.008)	30g & 50g sachets, 2.5kg jars	High
SG102	Sulphide (2.6% S)	0.997 (+/- 0.008)	2.5kg jars only	Low
SG113	Sulphide (2.6% S)	1.024 (+/- 0.006)	2.5kg jars only	Low
SG115	Sulphide (2.6% S)	1.017 (+/- 0.005)	30g & 50g sachets, 2.5kg jars	Medium
OxH178	Oxide	1.291 (+/- 0.008)	50g sachets, 2.5kg jars	Low
OxH188*	Oxide	1.318 (+/- 0.012)	30g & 50g sachets, 2.5kg jars	Medium
SH82*	Sulphide (2.8% S)	1.333 (+/- 0.007)	50g sachets only	Low
SH98*	Sulphide (2.7% S)	1.400 (+/- 0.008)	30g & 50g sachets, 2.5kg jars	High
Oxi164	Oxide	1.790 (+/- 0.011)	50g sachets, 2.5kg jars	Low
Oxi177	Oxide	1.811 (+/- 0.013)	30g & 50g sachets, 2.5kg jars	High
Si81	Sulphide (3.0% S)	1.790 (+/- 0.008)	30g & 50g sachets, 2.5kg jars	Low
Si96*	Sulphide (3.0% S)	1.801 (+/- 0.009)	30g & 50g sachets, 2.5kg jars	High
OxJ176	Oxide	2.385 (+/- 0.016)	30g & 50g sachets, 2.5kg jars	High
SJ111	Sulphide (3.0% S)	2.812 (+/- 0.021)	2.5kg jars only	Low
SJ121	Sulphide (3.0% S)	2.715 (+/- 0.021)	30g & 50g sachets, 2.5kg jars	High
Hi Sil K6	Sulphide (1.0% S)	3.446 (+/- 0.033)	30g & 50g sachets, 2.5kg jars	High
SK137	Sulphide (3.0% S)	4.089 (+/- 0.033)	30g & 50g sachets, 2.5kg jars	High
OxK175	Oxide	3.843 (+/- 0.023)	30g & 50g sachets, 2.5kg jars	Low
OxK197	Oxide	3.753 (+/- 0.029)	30g & 50g sachets, 2.5kg jars	High
SL136	Sulphide (3.2% S)	5.899 (+/- 0.039)	30g & 50g sachets, 2.5kg jars	High
OxL159	Oxide	5.849 (+/- 0.042)	50g sachets only	Low
OxL196	Oxide	5.818 (+/- 0.056)	30g & 50g sachets, 2.5kg jars	High
SN103	Sulphide (3.3% S)	8.520 (+/- 0.047)	50g sachets only	Low
SN124	Sulphide (3.3% S)	8.476 (+/- 0.049)	30g & 50g sachets, 2.5kg jars	Please enquire
SN135	Sulphide (3.3% S)	8.510 (+/- 0.072)	30g & 50g sachets, 2.5kg jars	High
SN117	Sulphide (3.3% S)	8.443 (+/- 0.036)	30g & 50g sachets, 2.5kg jars	Medium
OxN173	Oxide	7.668 (+/- 0.046)	30g & 50g sachets, 2.5kg jars	Low
HiSilP3*	Sulphide (2.0% S)	12.24 (+/- 0.071)	2.5kg jars	Please enquire
HiSilP5	Sulphide (2.0% S)	12.05 (+/- 0.064)	30g & 50g sachets, 2.5kg jars	High
OxP133*	Oxide	15.14 (+/- 0.08)	50g sachets only	Low
OxP158	Oxide	15.150 (+/- 0.106)	2.5kg jars only	Please enquire
OxP194	Oxide	15.10 (+/- 0.8)	30g & 50g sachets, 2.5kg jars	High
SP116	Sulphide (3.5% S)	18.091 (+/- 0.103)	50g sachets, 2.5kg jars	Please enquire
SP122	Sulphide (3.5% S)	18.044 (+/- 0.122)	50g sachets only	Low
SP133*	Sulphide (3.5% S)	18.14 (+/- 0.11)	30g & 50g sachets, 2.5kg jars	High
OxQ115	Oxide	25.22 (+/- 0.18)	50g sachets only	Low
OxQ170	Oxide	24.939 (+/- 0.182)	30g & 50g sachets, 2.5kg jars	High
SQ87*	Sulphide (3.5% S)	30.87 (+/- 0.21)	50g sachets only	Low
SQ131	Sulphide (3.5% S)	30.68 (+/- 0.23)	30g & 50g sachets, 2.5kg jars	High

*certificates available on request

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