This standard specifies a method for the determination of iron content in gold by flame atomic absorption spectroscopy (AAS), applicable to the detection range of 0.0005% to 0.0080%. Absorbance measurement of iron in the aqueous phase after extraction and separation of gold elements by aqua regia analysis in 1 mol/L muriatic acid medium using ethyl acetate to ensure the accuracy and Reliability of the analysis results.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | H68 | ICS | 77.150.99 |
| Release Date | 2008-06-09 00:00:00 | Implementation Date | 2008-12-01 00:00:00 |
