Gold purity verification

Gold Testing Methods and Purity Verification Options

Learn about XRF, fire assay, acid, black-stone and water-density testing options. Suitability, limitations and reporting are discussed for each item.

Approved method options

XRF analysis, fire assay, acid testing, black stone testing and water-density testing may be discussed depending on the item and the information required.

Accuracy and reporting

No numerical accuracy claim is made. Accuracy, repeatability, reporting and method limitations depend on the item, preparation and selected method and are confirmed as part of the enquiry.

Before testing proceeds

The service provider, method, sample requirements and reporting details are confirmed directly before anything proceeds.