Study on the Comprehensive Properties and Microstructures of A3-3 Matrix Graphite Related to the High Temperature Purification Treatment

Table 8

Contents of some impurity elements of MG with and without HTP process.

Element	Apparatus	Without HTP/ppm	With HTP/ppm
Al	ICP-OES	1.741	0.687
Ca	ICP-OES	2.555	2.103
V	ICP-MS	0.306	0.194
Cr	ICP-OES	3.203	1.190
Fe	ICP-OES	7.967	2.373
Mo	ICP-OES	0.232	0.006
Ni	ICP-OES	1.622	0.556