Sintesis dan Karakterisasi Mesopori Silika dari Sekam Padi Dengan Metode Kalsinasi

LAMPIRAN

Universitas Sumatera Utara

Lampiran 1. Data adsorpsi desorpsi isotherm nitrogen
File
: C:\2020\DATA\SIO2 MARS.SMP
Started
: 06/05/2015 21:01:29 Analysis Adsorptive : N2
Completed
: 07/05/2015 15:10:38 Analysis Bath Temp. : 77.224 K
Report Time
: 07/05/2015 12:26:56 Thermal Correction
: No
Sample Mass
: 0.2450 g
Warm Free Space
: 25.8002
cm³
Cold Free Space
: 83.4982 cm³

Isotherm Linear Plot
SIO2 - Adsorption
SIO2 - Desorption
Relative Pressure Quantity Adsorbed Relative Pressure Quantity Adsorbed
(p/p°)
(cm³/g STP)
(p/p°)
(cm³/g STP)
0.010318032
30.98324489
0.994917603
531.3826431
0.029225564
38.63257114
0.981215604
526.7144153
0.065198889
45.83296441
0.968797181
523.2305405

0.077497608
47.62404364
0.941813406
518.276217
0.099757555
50.48235075
0.928706386
516.2715367
0.120087662
52.78560323
0.901471884
512.3165877
0.139802217
54.84431225
0.880316431
506.4103079
0.159927819
56.80110218
0.85505211
483.2564028

0.180183809
58.66551329
0.829663272
362.6350699
0.200686331
60.47370299
0.804970046
229.3933812
0.24808419
64.44475603
0.748769941
142.8180894
0.303436326
68.86801482
0.703055464
119.9179317
0.350353901
72.55564119
0.640329154
103.2936324

0.400428189
76.56455137
0.595872936
96.0377204
0.450549917
80.79869188
0.554975007
90.79498308
0.500583818
85.36855883
0.501168741
85.04174453
0.550462662
90.54325288
0.450739956
80.3326951
0.600471367
96.75025453
0.400369605
76.06062836

0.650205863
104.5750906
0.35036348
72.01866313
0.699399398
115.2833801
0.300234368
68.03686259
0.747938849
131.5190537
0.250772951
64.09014663
0.80588826
168.5870385
0.200363998
59.87118761
0.8215652
185.9786624
0.140582819
54.33704659

0.847948199
230.203317
0.0814922
47.58032767
0.873303282
309.6900775
0.897673216
424.0829732
0.947525324
515.7975122
0.961730608
519.4432991
0.982842546
524.943765
0.989030336
527.554331
0.994917603
531.3826431
File
: C:\2020\DATA\SIO2MARS.SMP

Started
: 06/05/2015 21:01:29 Analysis Adsorptive : N2
Completed
: 07/05/2015 15:10:38 Analysis Bath Temp. : 77.224 K

Universitas Sumatera Utara

Report Time
Sample Mass
cm³
Cold Free Space

: 07/05/2015 12:26:56 Thermal Correction
: 0.2450 g
Warm Free Space

: No
: 25.8002

: 83.4982 cm³


BJH Adsorpsi Pore Size Distribution
Incremental
Cumulative
Average
Pore
Pore Volume
Width (nm) Volume
(cm³/g)
(cm³/g)
213.695546 0.00621801 0.006218014
132.876945 0.00427327 0.010491288
62.4402283 0.00933356 0.019824843
43.0592959 0.00632293 0.026147776
23.6155178 0.17303794 0.199185712
17.619472 0.22420818 0.423393897
14.5635803 0.15617436 0.579568253
12.326463 0.08438215 0.6639504
10.9974539 0.03189839 0.695848788
8.9956115 0.0634726 0.759321388

7.30291314 0.02264408 0.781965463
6.16927387 0.01171274 0.793678206
5.30370993 0.006339 0.800017203
4.62017312 0.00363925 0.803656456
4.06696679 0.00212563 0.805782088
3.60700536 0.0013775 0.807159591
3.21510417 0.00116424 0.808323832
2.87489773 0.00107314 0.809396976
2.58457768 0.00114944 0.81054642
2.300802 0.00179987 0.81234629
2.04723902 0.00204526 0.81439155
1.8962747 0.00106254 0.815454091
1.80048686 0.00118491 0.816638999
1.70591271 0.0013545 0.817993496

Incremental
Pore Area
(m²/g)

Cumulative dV/dlog(w)

Pore Area Pore Volume
(m²/g)
(cm³/g)

0.116390151
0.12863853
0.597919346
0.587369849
29.30919197
50.90009141
42.89449519
27.38243649
11.60209942
28.22380645
12.40276328
7.59424415
4.780801507
3.150750574
2.09063129
1.527586852

1.44846376
1.493123142
1.778928147
3.12911782
3.996133
2.241322558
2.63241603
3.176005365

0.11639015
0.24502868
0.84294803
1.43031788
30.7395098
81.6396013
124.534096
151.916533
163.518632
191.742439
204.145202
211.739446
216.520248
219.670998
221.76163
223.289216
224.73768
226.230803
228.009732
231.138849
235.134982
237.376305
240.008721
243.184726

0.018819184
0.022329169
0.027308355
0.047158907
0.609922143
2.459573055
1.99613178
1.221571769
0.871872074
0.552239271
0.285742062
0.167564688
0.100429782
0.062827841
0.039548545
0.026990659
0.023661701
0.022301874
0.025574763
0.033296807
0.042120895
0.048024677
0.051916698
0.05661901

Universitas Sumatera Utara