This standard specifies methods for the determination of niobium, tantalum, zirconium, hafnium and 15 rare earth elements (such as yttrium, lanthanum, cerium, etc.) in tungsten and molybdenum ores by Inductance Coupled Plasma Mass Spectrometry (ICP-MS). Through melt analysis and mass spectrometry of samples, various rare earth elements can be accurately quantified, providing a standardized technical method for the analysis of rare elements in ores, suitable for mineral resource assessment and quality control in industrial applications.
| Status | Active |
|---|---|
| CCS | D40 | ICS | 73.060 |
| Release Date | 2021-03-09 00:00:00 | Implementation Date | 2021-10-01 00:00:00 |