แอปพลิเคชัน

1 Method Summary

The sample is digested with aqua regia, and the determination is performed with air‑acetylene flame at the wavelength of 324.7 nm.

2 Scope of Application

This method is used for the determination of copper in graphite powder.

3 Reference Standard

GB/T 24533-2009

4 Testing Instruments

· Flame Atomic Absorption Spectrophotometer 1 unit Copper hollow cathode lamp