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A sample data file of BET isotherm experiment
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BET sample file
ASAP 2010 V5.02 E Unit 1 Serial # 2778 Page 1
Sample: tarun Ce Zr 27-04-2012
Operator: sachchit
Submitter: sachchit
File Name: D:\...\SACHCHIT\000-518.SMP
Started: 4/27/2012 12:43:47PM Analysis Adsorptive: N2
Completed: 4/27/2012 3:20:58PM Analysis Bath: 77.34 K
Report Time: 4/27/2012 4:00:28PM Thermal Correction: No
Sample Weight: 1.0007 g Smoothed Pressures: No
Warm Freespace: 28.8435 cm³
MEASURED
Cold Freespace: 98.1943 cm³
Equil. Interval: 10 secs Low Pressure Dose: None
Comments:
BET surface area
____________________________________________________
Analysis Log
Relative
Pressure
Pressure
(mmHg)
Vol Adsorbed
(cm³/g STP)
Elapsed Time
(HR:MN)
Saturation
Press.(mmHg)
01:36 759.17078
0.057218501 43.43861 5.2728 01:48
0.092550962 70.26199 5.6432 01:51
0.132425892 100.53387 5.9807 01:55
0.175429325 133.18082 6.3144 01:58
0.216012935 163.99071 6.6178 02:02
0.255079149 193.64864 6.9182 02:05
0.988485361 750.42920 50.4107 02:37
BET sample file
ASAP 2010 V5.02 E Unit 1 Serial # 2778 Page 2
Sample: tarun Ce Zr 27-04-2012
Operator: sachchit
Submitter: sachchit
File Name: D:\...\SACHCHIT\000-518.SMP
Started: 4/27/2012 12:43:47PM Analysis Adsorptive: N2
Completed: 4/27/2012 3:20:58PM Analysis Bath: 77.34 K
Report Time: 4/27/2012 4:00:28PM Thermal Correction: No
Sample Weight: 1.0007 g Smoothed Pressures: No
Warm Freespace: 28.8435 cm³
MEASURED
Cold Freespace: 98.1943 cm³
Equil. Interval: 10 secs Low Pressure Dose: None
Comments:
BET surface area
____________________________________________________
Relative Pressure (P/Po)
Volu
me A
dsorb
ed c
m³/
g S
TP
Isotherm PlotAdsorption
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.00
5
10
15
20
25
30
35
40
45
50
BET sample file
ASAP 2010 V5.02 E Unit 1 Serial # 2778 Page 3
Sample: tarun Ce Zr 27-04-2012
Operator: sachchit
Submitter: sachchit
File Name: D:\...\SACHCHIT\000-518.SMP
Started: 4/27/2012 12:43:47PM Analysis Adsorptive: N2
Completed: 4/27/2012 3:20:58PM Analysis Bath: 77.34 K
Report Time: 4/27/2012 4:00:28PM Thermal Correction: No
Sample Weight: 1.0007 g Smoothed Pressures: No
Warm Freespace: 28.8435 cm³
MEASURED
Cold Freespace: 98.1943 cm³
Equil. Interval: 10 secs Low Pressure Dose: None
Comments:
BET surface area
____________________________________________________
Relative Pressure (P/Po)
Volu
me A
dsorb
ed c
m³/
g S
TP
Isotherm PlotAdsorption
5e-02 1e-01 2e-01 3e-01 4e-01 1e+000
5
10
15
20
25
30
35
40
45
50
BET sample file
ASAP 2010 V5.02 E Unit 1 Serial # 2778 Page 4
Sample: tarun Ce Zr 27-04-2012
Operator: sachchit
Submitter: sachchit
File Name: D:\...\SACHCHIT\000-518.SMP
Started: 4/27/2012 12:43:47PM Analysis Adsorptive: N2
Completed: 4/27/2012 3:20:58PM Analysis Bath: 77.34 K
Report Time: 4/27/2012 4:00:28PM Thermal Correction: No
Sample Weight: 1.0007 g Smoothed Pressures: No
Warm Freespace: 28.8435 cm³
MEASURED
Cold Freespace: 98.1943 cm³
Equil. Interval: 10 secs Low Pressure Dose: None
Comments:
BET surface area
____________________________________________________
BET Surface Area Report
BET Surface Area: 22.6762 ± 0.1731 m²/g
Slope: 0.191648 ± 0.001445
Y-Intercept: 0.000324 ± 0.000244
C: 592.935207
VM: 5.209093 cm³/g STP
Correlation Coefficient: 9.998864e-01
Molecular Cross-section: 0.1620 nm²
Relative
Pressure
Vol
Adsorbed
(cm³/g STP)
1/
[VA*(Po/P - 1)]
0.057218501 5.2728 0.011510
0.092550962 5.6432 0.018073
0.132425892 5.9807 0.025522
0.175429325 6.3144 0.033693
0.216012935 6.6178 0.041635
0.255079149 6.9182 0.049496
BET sample file
ASAP 2010 V5.02 E Unit 1 Serial # 2778 Page 5
Sample: tarun Ce Zr 27-04-2012
Operator: sachchit
Submitter: sachchit
File Name: D:\...\SACHCHIT\000-518.SMP
Started: 4/27/2012 12:43:47PM Analysis Adsorptive: N2
Completed: 4/27/2012 3:20:58PM Analysis Bath: 77.34 K
Report Time: 4/27/2012 4:00:28PM Thermal Correction: No
Sample Weight: 1.0007 g Smoothed Pressures: No
Warm Freespace: 28.8435 cm³
MEASURED
Cold Freespace: 98.1943 cm³
Equil. Interval: 10 secs Low Pressure Dose: None
Comments:
BET surface area
____________________________________________________
Relative Pressure (P/Po)
1/[
VA
*(P
o/P
- 1
)]
BET Surface Area Plot
0.00 0.05 0.10 0.15 0.20 0.250.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
0.050
BET sample file
ASAP 2010 V5.02 E Unit 1 Serial # 2778 Page 6
Sample: tarun Ce Zr 27-04-2012
Operator: sachchit
Submitter: sachchit
File Name: D:\...\SACHCHIT\000-518.SMP
Started: 4/27/2012 12:43:47PM Analysis Adsorptive: N2
Completed: 4/27/2012 3:20:58PM Analysis Bath: 77.34 K
Report Time: 4/27/2012 4:00:28PM Thermal Correction: No
Sample Weight: 1.0007 g Smoothed Pressures: No
Warm Freespace: 28.8435 cm³
MEASURED
Cold Freespace: 98.1943 cm³
Equil. Interval: 10 secs Low Pressure Dose: None
Comments:
BET surface area
____________________________________________________
Summary Report
Area
Single Point Surface Area at P/Po 0.25507915 : 22.4342 m²/g
BET Surface Area: 22.6762 m²/g
Langmuir Surface Area: 33.1332 m²/g
Volume
Single Point Adsorption Total Pore Volume of pores less than
1699.1378 A Diameter at P/Po 0.98848536: 0.077975 cm³/g
Pore Size
Adsorption Average Pore Diameter (4V/A by BET): 137.5455 A
