200
160
e 120
I!! :::I
~ Q)
Co
E
~ 80
40
0
200
160
~ 120
I!!
:::I
~ Q)
Co
E
~ 80
40
0
Time (minutes)
2 4
6
8
10
12
L
L
~
l
I
~./
f
-
a
I
I
I
I
0
20
40
2
b
0
20
40
Conditions
600Wpower
6 vessels 120 mL volume each
20 mL nitric acid. 70 wt. %
I
I
I
I
I
I
I
60
80
100
Pressure (PSIG)
Time (minutes)
3
4
5
I
120
-----Conditions
600Wpower
6 vessels 120 mL volume each
20 mL 37 wt. % HCI
60
80
100
120
Pressure (PSIG)
Metals
Fig. 2.5 a, b
CEM microwave digestion system Model MDS - SID; temperature-pressure relationship with: a concentrated nitric acid; b concentrated hydrochloric acid (from [57]).
43
160
e 120
I!! :::I
~ Q)
Co
E
~ 80
40
0
200
160
~ 120
I!!
:::I
~ Q)
Co
E
~ 80
40
0
Time (minutes)
2 4
6
8
10
12
L
L
~
l
I
~./
f
-
a
I
I
I
I
0
20
40
2
b
0
20
40
Conditions
600Wpower
6 vessels 120 mL volume each
20 mL nitric acid. 70 wt. %
I
I
I
I
I
I
I
60
80
100
Pressure (PSIG)
Time (minutes)
3
4
5
I
120
-----Conditions
600Wpower
6 vessels 120 mL volume each
20 mL 37 wt. % HCI
60
80
100
120
Pressure (PSIG)
Metals
Fig. 2.5 a, b
CEM microwave digestion system Model MDS - SID; temperature-pressure relationship with: a concentrated nitric acid; b concentrated hydrochloric acid (from [57]).
43