Sample Size: 30-50 mL
Samples are acidified with concentrated nitric acid (HNO3) then analyzed by Inductively Coupled Plasma - Optical Emission Spectrometry (ICP-OES) and Inductively Coupled Plasma - Mass Spectrometry (ICP-MS).
|Element||Concentration (low)||Concentration (high)|
|Ag, Silver||10 ppb||10 ppm|
|Au, Gold||10 ppb||10 ppm|
|Hg, Mercury||10 ppb||100 ppm|
|S, Sulfur||5 ppb||10,000 ppm|
|Se, Selenium||200 ppb||1,000 ppm|
|Te, Tellurium||10 ppb||1,000 ppm|
Data will be deemed acceptable if recovery of each element is ±15% at five times the Lower Limit of Determination (LOD) and the calculated Relative Standard Deviation (RSD) of duplicate samples is no greater than 15%.
Central Mineral and Environmental Resources Science Center