£11.28 – £280.00 ex VAT
Gold (Au) mineral reference material for geological assay and mining projects. Composed of basalt and feldspar with gold. Tested to show: 3.843 μg/g (ppm) with a 95% confidence interval at +/- 0.023 μg/g.
Reference material for gold, composed of basalt and feldspar minerals with minor quantities of finely divided gold-containing minerals that have been screened to ensure there is no gold nugget effect. Tested to show 3.843 μg/g (ppm) with a 95% confidence interval at +/- 0.023 μg/g. The material is a fine grey powder which has been well mixed and a homogeneity test carried out. The powder is sealed in to polythene sachets at 50 grams each or supplied in a 2.5 kg sealed jar.