Certified Gold Reference Material Product Code G901-7
Certified Gold Reference Material Product Code G901-7
Certified Control Values
50 gram Fire Assay :
Gold Grade 1.52 ppm
Standard Deviation 0.06 ppm
Confidence Interval + / - 0.013 ppm
Aqua Regia Digest :
Gold Grade 1.53 ppm
Standard Deviation 0.11 ppm
Confidence Interval + / - 0.029