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Upcoming OREAS CRMs - October 2018

High and Low silver Epithermal Au-Cu-Ag (Mt Carlton, Australia) CRMs

Target grades for high silver epithermal CRMs are shown below (available Q1, 2019).

 OREAS

Au ppm

Cu %

Ag ppm

Description

600b

0.2

0.05

25

(replaces OREAS 600)

601b

0.8

0.1

50

(replaces OREAS 601)

602b

2.0

0.5

120

(replaces OREAS 602)

603b

5.0

1.0

300

(replaces OREAS 603)

604b

1.4

2.1

500

(replaces OREAS 604)

605b

1.7

5.0

1000

(replaces OREAS 605)

 

Certification program includes:

  • Au by 25-40g fire assay with ICP-OES or AAS finish;
  • Ag by 25-40g fire assay with ICP-OES or AAS finish (OREAS 602b to 605b only);
  • Au by aqua regia digest (15 to 40g sample) with ICP-OES or AAS finish;
  • Four acid digestion for full suite ICP-OES and ICP-MS;
  • Aqua regia digestion for full suite ICP-OES and ICP-MS.

Prices: $7.35/ 60g unit and $61.00/ 500g jar (prices in AUD).

 

Target grades for low silver epithermal CRMs are shown below (available Q1/Q2, 2019).

 OREAS

Au ppm

Cu %

Ag ppm

606

0.35

0.03

1.5

607

0.7

0.06

6

608

1.2

0.1

15

609

5.0

0.5

25

610

9.0

1.0

50

611

15.0

1.1

80

 

Certification program includes:

  • Au by 25-40g fire assay with ICP-OES or AAS finish;
  • Au by aqua regia digest (15 to 40g sample) with ICP-OES or AAS finish;
  • Four acid digestion for full suite ICP-OES and ICP-MS;
  • Aqua regia digestion for full suite ICP-OES and ICP-MS.

Prices: $7.35/ 60g unit and $61.00/ 500g jar (prices in AUD).

 

Four pegmatite Li ore (Bynoe, Australia) and concentrate CRMs (available Q1, 2019)

The lithium pegmatite ores are sourced from the Bynoe Pegmatite Field in NT, Australia. The spodumene concentrate was sourced from a lithium mine plant in Western Australia. Target grades are shown below.

 OREAS

Li2O %

Description

751

1.0

(replaces OREAS 148)

752

1.5

new grade

753

2.15

(replaces OREAS 149)

999

6.1

spodumene concentrate

Certification program includes:

  • Full elemental suite by sodium peroxide fusion with ICP-OES and ICP-MS;
  • Major elements by borate fusion with XRF;
  • Full elemental suite by 4-acid digestion with ICP-OES and MS.

Prices for OREAS 751 to 753: $3.90/ 10g unit and $300.00/ 1kg jar (prices in AUD).

Prices for OREAS 999: $4.57/ 10g unit and $457.00/ 1kg jar (prices in AUD). 

 

Five Porphyry Cu-Au-Mo (Cadia Valley, Australia) CRMs (available Q1 2019)

Two replacement CRMs (OREAS 503d and 504c) are sourced from the Cadia Valley mine operation, Australia and three new CRMs are sourced from the Northparkes mine, Australia. Target grades are shown below.

 OREAS

Cu %

Au ppm

Mo ppm

Description

503d

0.535

0.69

350

(replaces OREAS 503c)

504c

1.1

1.5

510

(replaces OREAS 504b)

505

0.32

0.55

65

new porphyry CRMs developed from Northparkes

Cu-Au ores

506

0.44

0.35

85

507

0.62

0.18

110

Certification program includes:  

  • Au by 25-40g fire assay with ICP-OES or AAS finish.
  • Au by aqua regia digest (15 to 40g sample) with ICP-OES or AAS finish;
  • Four acid digestion for full suite ICP-OES and ICP-MS;
  • Aqua regia digestion for full suite ICP-OES and ICP-MS.

 

Five new metasediment-hosted Au ore (Fosterville, Australia) CRMs (available Q1/Q2, 2019)

These orogenic "turbidite" metasediment gold ore CRMs are sourced from the Fosterville mine, Australia. Target grades are shown below.

OREAS

Au ppm

Description

232

0.87

(replaces OREAS 220)

235

1.58

(replaces OREAS 209)

237

2.2

(replaces OREAS 224)

238

3.03

(replaces OREAS 214)

239

3.54

(replaces OREAS 215)

Certification program includes:

  • Au by 25-40g fire assay with ICP-OES or AAS finish;
  • Au by 15-50g aqua regia digest with AAS or ICP finish;
  • Full elemental suite by aqua regia digestion with ICP-OES and MS analysis.

Prices: $5.34/ 60g unit and $89.00/ 1kg jar (prices in AUD).

- Craig Hamlyn

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