Sample Designations
Acid Washing Cycles
pH
Temperature (K)
T1
-
-
773
T2
1
7
-
T3
1
7
773
T4
1
7
823
T5
1
7
873
T6
2
4
-
T7
2
4
773
T8
2
4
823
T9
2
4
873
T10
2
7
-
T11
2
7
773
T12
2
7
823
T13
2
7
873
Table 1:
Various treatments used to produce Nano silica from
Equisetum arvenses
L
