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. 2019 Jun 2;16(11):1957. doi: 10.3390/ijerph16111957

Table 1.

Microwave digestion program for the digestion of henna and walnut tree bark samples.

Parameters Steps
1 2 3 4 5
Power (%) 90 90 0 0 0
Time (min) 5 15 10 10 10
Temp (°C) 180 180 50 50 50
Pressure (bar) 60 60 50 50 50
Ramp (min) 36 10 10 10 10