Rapid Microwave Digestion Procedures for the Elemental Analysis of Alloy and Slag Samples of Smelted Ocean Bed Polymetallic Nodules

Table 7

Detailed digestion conditions selected for digestion of samples in microwave digester.

Step	Power (W)	Time (minutes)	T1 (^°C)	T2 (^°C)	Pressure (bar)
1	500	5	100	80	10
2	500	10	110	90	10
3	500	25	150	100	10

Note: Ventilation time given =10 minutes.