Current Range of Reference Materials
The information on this page is updated daily. Please refer to the table below for the current range of Reference Materials available in stock. Local agents may carry stocks of other Rocklabs Reference Materials that are in addition to the list below.

The Certificates of Analysis for each Reference Material can be viewed by clicking on the Reference Material name in the first column.

Purchasers can get a more rapid service by going through our local agents.

If you require any information on the reference materials please contact us and we can provide the information you require or discuss with you further.

Please feel free to download a copy of our Reference Materials brochure.

Reference Materials Plotting Chart is now available for download.




Table contents last updated  //  3rd September 2010
Reference Materials Certified for Pt, Pd, Au
Assigned Values & 95% Confidence Intervals
Material Platinum (ppm) Palladium (ppm) Gold (ppm) Quantity of
2.5kg Jars available
(also available
in sachets)
PD1 0.456(+/- 0.009) 0.563 (+/- 0.011) 0.542 (+/- 0.014) >200
PK2 4.749 (+/- 0.064) 5.918 (+/- 0.111) 4.785 (+/- 0.129) >200
Reference Materials Certified for Au and Ag
Assigned Values & 95% Confidence Intervals
Material Matrix Type Gold (ppm) Silver (ppm) Quantity of
2.5kg Jars available
(also available
in sachets)
SP49 Sulphide (3.5% S) 18.34 (+/- 0.12) 60.2 (+/- 1.0) >200
SQ47 Sulphide (10% S) 39.88 (+/- 0.29) 122.3 (+/- 2.3) >200
OxQ75 Oxide 50.03 (+/- 0.38) 153.9 (+/- 2.9) >200
Reference Materials Certified for Au
Material Matrix Type Assigned Values and
95% Confidence
Intervals Gold (ppm)
Available packaging
2.5kg jars and
30g & 50g sachets
Quantity of
2.5kg Jars available
AuBlank34B Oxide <0.002 ppm 50g sachets only 2200 sachets
AuBlank35A Oxide <0.002 ppm 50g sachets only 4000 sachets
OxA71 Oxide 0.0849 (+/- 0.0022) Jars and sachets >200
OxE74 Oxide 0.615 (+/- 0.006) Jars and sachets 0
SE44 Sulphide (2.4% S) 0.606 (+/- 0.006) Jars and sachets 75
OxF65 Oxide 0.805 (+/- 0.014) Jars and sachets >200
SF45 Sulphide (2.7% S) 0.848 (+/- 0.010) Jars and sachets 0
KH1 Sulphide (3.3% S) 0.85 (+/- 0.02) 1400 x 50g sachets only sachets only
OxG70 Oxide 1.007 (+/- 0.013) Jars 2
OxG83 Oxide 1.002 (+/- 0.009) Jars and sachets >200
SG40 Sulphide (2.8% S) 0.976 (+/- 0.009) Jars and sachets >200
SG31 Sulphide (2.8% S) 0.996 (+/- 0.011) Jars 1
OxH66 Oxide 1.285 (+/- 0.012) Jars and sachets >200
SH35 Sulphide 1.323 (+/- 0.017) Jars 2
SH41 Sulphide (2.8% S) 1.344 (+/- 0.015) Jars and sachets >200
Oxi67 Oxide 1.817 (+/- 0.024) Jars and sachets 70
Si54 Sulphide (3.0%S) 1.780 (+/- 0.011) Jars and sachets >200
OxJ68 Oxide 2.342 (+/- 0.025) Jars and sachets >200
SJ53 Sulphide (3.0%S) 2.637 (+/- 0.016) Jars and sachets >200
OxK69 Oxide 3.583 (+/- 0.033) 50g sachets only 100 sachets
OxK79 Oxide 3.532 (+/- 0.026) Jars and sachets >200
SK52 Sulphide (3.2%S) 4.107 (+/- 0.029) Jars and sachets >200
HiSilK2 Siliceous (1.0% S) 3.474 (+/-0.034) Jars and sachets >200
OxL78 Oxide 5.876 (+/-0.053) Jars and sachets >200
SL51 Sulphide (3.2 % S) 5.909 (+/- 0.047) Jars and sachets >200
OxN77 Oxide 7.732 (+/- 0.058) Jars and sachets >200
SN50 Sulphide (3.3 % S) 8.685 (+/- 0.062) Jars and sachets >200
HiSilP1 Siliceous (2.0% S) 12.05 (+/-0.13) Jars and sachets >200
OxP76 Oxide 14.98 (+/- 0.08) Jars and sachets >200
SP37 Sulphide (3.5% S) 18.14 (+/-0.15) Jars and sachets >200
SQ36 Sulphide (3.5% S) 30.04 (+/-0.24) Jars and sachets >200
Certificates of Analysis for Older Reference Materials
The below certificates are for reference material which has been sold out but is still in use
OxA45 : OxA59 : OxC44 : OxC58 : OxC72 : OxD43 : OxD57 : OxD73 : OxE42 : OxE56 : OxF41 : OxF53 : OxG46 : OxG60 : OxH52 : OxH55 : OxI40 : Oxi54 : OxJ36 : OxJ47 : OxJ64 : OxK35 : OxK48 : OxK69 : OxL34 : OxL51 : OxM16 : OxN33 : OxN49 : OxN62 : OxP32 : OxP39 : OxP50 : OxP61 : SE19 : SE29 : SF23 : SF30 : SG14 : SH13 : SH24 : SI15 : SI25 : Si42 : SJ22 : SJ32 : SJ39 : SK21 : SK33 : SK43 : SL20 : SL46 : SN16 : SN26 : SN38 : SP17 : SP27 : SQ28 : SQ18

Please note that "30g" and "50g" are nominal values only. Approximately 2 grams extra are included
in each sachet so that it is easier to scoop out the nominal weight without having to scrape out the last
traces of powder in the bottom of the sachet.

The sachets are available with either Labcheck or Geocheck labels. Labcheck labels have the name of
the Reference Material (e.g. WG2) clearly stated on the label. Geocheck labels do not have the name of
the Reference Material stated on the label but do have a unique number for ready identification by the
purchaser. Jars are packed in cartons containing 6 jars (i.e. 15 kg) but the minimum order is one jar.

Customised Reference Materials
Do you have mine material or an exploration target that has an unusual matrix? We may be able to
produce a Reference Material that has a similar mineral composition to your material. We would
make this from materials known to be stable and from screened minerals that contain finely
divided gold.

The matrix-matched mineral components will be blended together and packaged in sachets or jars
(your preference) and a formal homogeneity test carried out. Samples can be sent out for consensus
testing and a formal certificate supplied if required. To obtain a quote, contact us directly or
your nearest ROCKLABS agent.
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