The OREAS® range of CRMs includes: gold, gold-silver, gold-copper-(molybdenum), copper, copper-gold-uranium, copper-molybdenum, iron, nickel sulphide and laterite, zinc oxide, Zn-Pb-Ag sulphide and oxide, polymetallic (Au-Cu-Zn-Pb-Ag), platinum group elements, tungsten, uranium, Rare Earth Elements (REE), manganese, phosphate, copper concentrates, gold gravity circuit concentrates, polymetallic concentrates (Zn-Pb-Ag, Cu- Au(Ag), Ni-Co), tailings and related metallurgical materials, tin, molybdenum, chromium, phosphorous, lithium, graphite, niobium-tantalum, multi-element lithogeochem and numerous barren (blank) materials.  

Yes, we are accredited to ISO 9001:2015 for our Quality Management System including evelopment, manufacturing, certification and supply of CRMs. We adhere to and in many nstances exceed the recommendations in ISO Guides 30, 31, 32, 33, 17034, 35, 3207, 5725, 16269 and 16476. 

There are two classes – non-radioactive and radioactive. The non-radioactive CRMs are sterile and non-hazardous. The radioactive class of OREAS CRMs contain sufficiently low levels of U and Th radioactive isotopes and do not classify as dangerous goods for shipping purposes. Safety Data Sheets (SDS) for each product are available under Downloads. 

Due to the unique characteristics of each CRM made from naturally occurring ore and rock materials, an exact replication is not possible. We produce a new CRM of similar characteristics as a replacement product. It is then assigned a unique code and certification.   

A measure of accuracy is given by the 95% Confidence Interval or the Expanded Uncertainty. The smaller the interval, the more reliable the Certified Value. Please see our Using CRMs section for further information. 

All our CRMs are made from 100% natural source materials. 

We do not compromise on quality; therefore, we only prepare CRMs from natural source materials. The problem with synthetic gold CRMs, often made by adding gold ‘dust’ to barren rocks, is that the robustness of the fire assay method is not tested.
Unlike natural ores, all the gold is liberated in a synthetic CRM, regardless of the efficacy of the fire assay process. It is easy for laboratories to assay for gold when it is already liberated but this does not evaluate the laboratory’s performance for gold occluded in quartz associated with sulphides, tellurides and other minerals. The laboratory may report acceptable gold assays for synthetic CRMs but there could be an undetected low bias due to a fusion problem with your samples. 

The shelf life of the unopened packets stored correctly (away from sun and moisture) should be indefinite. CRMs containing reactive sulphides in quantities >2% are packaged under nitrogen gas to inhibit oxidation. If the seals are intact these products also have an indefinite shelf life. 

We support these payment methods: Visa, MasterCard, Amex, Paypal, Cheque and direct deposit (EFT). 

Orders are processed in CAD (Canadian Dollars) only. We can accept payments in USD. Please contact our sales team prior to making payment in USD. 

Yes, custom packaging is available at an extra cost. For more information please contact our sales team. 

It won’t be but a replacement will usually be available. Due to the unique characteristics of each CRM made from naturally occurring ore and rock materials an exact replication is not possible. We produce a new CRM of similar characteristics as a replacement product. It is then assigned a unique code and certification. For further assistance please contact our technical support team.   

We strive for 100% accuracy however we cannot guarantee the stock levels indicated online are always correct. 

Once an order is confirmed it cannot be changed online. If you wish to change your order, please contact our sales team. 

Yes. Prior arrangement is required. Please contact us for more information.

Shipping charges are based on location and size/weight of your order. You can see available shipping options after you have entered your shipping address at checkout. 

Yes, we ship to Canada and the United States. For all other regions please visit oreas.com.

No. Unfortunately our courier companies are unable to make deliveries to Post Office Boxes. 

Import duties, taxes and charges are the customer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to placing your order if you have any concerns. 

Products in stock (pre-packaged) are usually shipped within 48 hours after receipt of payment. 

No, not usually. We are open Monday to Friday, 9am to 5pm. 

Once your order has been shipped, we will provide you with a parcel tracking information via email. 

You may return any product in its original condition within 30 days from the date of purchase and receive a full refund minus any shipping costs (including custom fees). 

We offer exchanges however all shipping charges (including custom fees) and any differences in product prices are the responsibility of the customer. We do not charge a restocking fee. 

If you suspect a product is faulty, please contact our Sales support team, and we will assist you with a replacement or suitable product substitute.