Chemometric Analysis of Elemental Fingerprints for GE Authentication of Multiple Geographical Origins

Table 1

Selected parameters of microwave digestion system.

Steps	Power (W)	Heating-up time (min)	Temperature retaining (min)	Temperature (°C)
1	1000	15	10	100
2	1000	10	10	150
3	1000	10	10	200
4	1000	5	15	230
5	1000	2	15	240