Chemicals and Reagents Item Code: G919-4
Gold Certified Reference Material, 6.3 ppm, 1 KG
50 gram Fire Assay
Gold Grade 6.21 ppm
Standard Deviation 0.21 ppm
Confidence Interval +/- 0.033 ppm
Aqua Regia Digest
Gold Grade 6.19 ppm
Standard Deviation 0.30 ppm
Confidence Interval +/- 0.084 ppm