Gold Certified Reference Material, G918-3, 0.52ppm, 1KG.

Chemicals and Reagents Item Code: G918-3

Gold Certified Reference Material, G918-3, 0.5ppm, 1KG.

50 gram Fire Assay

Gold Grade 0.52 ppm

Standard Deviation 0.03 ppm

Confidence Interval +/- 0.004 ppm

Aqua Regia Digest

Gold Grade 0.50 ppm

Standard Deviation 0.02 ppm

Confidence Interval +/- 0.005 ppm

Geostats, Australia.