Hasil Perhitungan Drying.docx
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DATA HASIL PERCOBAAN Cawan Porselen OTK 2.1 OTK 2.2 OTK 2.3 OTK 2.4 OTK 2.5 OTK 2.6 Time (min)
Tin (℃)
Massa sebelum dikeringkan (gram) 137.3236 135.0716 132.8287 135.1271 132.0377 137.9218 Tout (℃)
Massa sesusah dikeringkan (gram) 137.3167 135.0675 132.824 135.1256 132.0359 137.9191
Massa cawan + sampel 142.3167 145.0675 147.824 155.1256 157.0359 167.9191
Sample 5 g
Sample 10 g
Sample 15 g
Sample 20 g
Sample 25 g
Sample 30 g
min
mout
min
mout
min
mout
min
mout
min
mout
min
mout
10
112.6
120
5
4.0835
10
9.4035
15
14.2105
20
19.21
25
23.8065
30
29.87
20
125.2
154.8
4.0835
3.6024
9.4035
8.6717
14.2105
13.335
19.21
18.3204
23.8065
22.8746
29.87
28.8092
30
127.3
155.3
3.6024
3.36
8.6717
8.11
13.335
12.71
18.3204
17.46
22.8746
21.98
28.8092
28
40
122.2
155.4
3.36
3.27
8.11
7.63
12.71
12.14
17.46
16.85
21.98
21.29
28
27.27
50
136.4
155.9
3.27
3.23
7.63
7.125
12.14
11.29
16.85
15.68
21.29
19.88
27.27
26.0318
60
133
146.9
3.23
3.19
7.125
6.93
11.29
10.67
15.68
14.98
19.88
19.08
26.0318
25.05
70
130.3
155.2
3.19
3.17
6.93
6.8
10.67
10.31
14.98
14.23
19.08
18.25
25.05
24.09
80
127.5
155.5
3.17
3.155
6.8
6.71
10.31
10.11
14.23
13.79
18.25
17.59
24.09
23.21
90
136.4
155
3.155
3.14
6.71
6.66
10.11
9.96
13.79
13.52
17.59
17.1
23.21
22.42
100
120
155.6
3.14
3.14
6.66
6.66
9.96
9.96
13.52
13.52
17.1
17.1
22.42
22
HASIL PERHITUNGAN A. Sampel 5 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 5 gram Wberas (100menit ) 3,14 gram Wberas (10menit ) 4,0835 gram X0
(5 3,14) gram 100% 37,2% 5 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 5 gram 37,2% 1,86 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 1,86 (5 4,0835) 0,9435 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
0,9435 100% 18,87% 5
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (1,86 0,9435) gram N 0,09165 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
5
4.0835
37.2
1.86
0.9435
18.87
0.09165
20
4.0835
3.6024
23.10517938
0.9435
0.4624
11.32361944
0.024055
30
3.6024
3.36
12.83588719
0.4624
0.22
6.107039751
0.00808
40
3.36
3.27
6.547619048
0.22
0.13
3.869047619
0.00225
50
3.27
3.23
3.975535168
0.13
0.09
2.752293578
0.0008
60
3.23
3.19
2.786377709
0.09
0.05
1.547987616
0.000666667
70
3.19
3.17
1.567398119
0.05
0.03
0.940438871
0.000285714
80
3.17
3.155
0.94637224
0.03
0.015
0.47318612
0.0001875
90
3.155
3.14
0.475435816
0.015
0
0
0.000166667
100
3.14
3.14
0
0
0
0
0
B. Sampel 10 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 10 gram Wberas (100menit ) 6,66 gram Wberas (10menit ) 9,4035 gram X0
(10 6,66) gram 100% 33,4% 10 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 10 gram 33,4% 3,34 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 3,34 (10 9,4035) 2,7435 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
2,7435 100% 27,435% 10
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (3,34 2,7435) gram N 0,05965 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
10
9.4035
33.4
3.34
2.7435
27.435
0.05965
20
9.4035
8.6717
29.17530707
2.7435
2.0117
21.39309831
0.03659
30
8.6717
8.11
23.19845013
2.0117
1.45
16.72105815
0.018723333
40
8.11
7.63
17.87916153
1.45
0.97
11.96054254
0.012
50
7.63
7.125
12.7129751
0.97
0.465
6.094364351
0.0101
60
7.125
6.93
6.526315789
0.465
0.27
3.789473684
0.00325
70
6.93
6.8
3.896103896
0.27
0.14
2.02020202
0.001857143
80
6.8
6.71
2.058823529
0.14
0.05
0.735294118
0.001125
90
6.71
6.66
0.745156483
0.05
0
0
0.000555556
100
6.66
6.66
0
0
0
0
0
C. Sampel 15 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 15 gram Wberas (100menit ) 9,96 gram Wberas (10menit ) 14,2105 gram X0
(15 9,96) gram 100% 33,6% 15 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 15 gram 33,6% 5,04 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 5,04 (15 14,2105) 4,2505 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
4,2505 100% 28,337% 15
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (5,04 4,2505) gram N 0,07895 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
15
14.2105
33.6
5.04
4.2505
28.33666667
0.07895
20
14.2105
13.335
29.91098132
4.2505
3.375
23.75004398
0.043775
30
13.335
12.71
25.30933633
3.375
2.75
20.6224222
0.020833333
40
12.71
12.14
21.63650669
2.75
2.18
17.15184894
0.01425
50
12.14
11.29
17.95716639
2.18
1.33
10.95551895
0.017
60
11.29
10.67
11.78033658
1.33
0.71
6.288751107
0.010333333
70
10.67
10.31
6.654170572
0.71
0.35
3.28022493
0.005142857
80
10.31
10.11
3.394762367
0.35
0.15
1.454898157
0.0025
90
10.11
9.96
1.483679525
0.15
0
0
0.001666667
100
9.96
9.96
0
0
0
0
0
D. Sampel 20 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 20 gram Wberas (100menit ) 13,52 gram Wberas (10menit ) 19,21gram X0
(20 13,52 gram 100% 32,4% 20 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 20 gram 32,4% 6,48 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 6,48 (20 19,21) 5,69 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
5,69 100% 28,45% 20
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (16,48 5,69) gram N 0,079 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
20
19.21
32.4
6.48
5.69
28.45
0.079
20
19.21
18.3204
29.61998959
5.69
4.8004
24.98906819
0.04448
30
18.3204
17.46
26.20248466
4.8004
3.94
21.50608065
0.02868
40
17.46
16.85
22.56586483
3.94
3.33
19.07216495
0.01525
50
16.85
15.68
19.76261128
3.33
2.16
12.8189911
0.0234
60
15.68
14.98
13.7755102
2.16
1.46
9.31122449
0.011666667
70
14.98
14.23
9.746328438
1.46
0.71
4.73965287
0.010714286
80
14.23
13.79
4.98945889
0.71
0.27
1.897399859
0.0055
90
13.79
13.52
1.957940537
0.27
0
0
0.003
100
13.52
13.52
0
0
0
0
0
E. Sampel 25 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 25 gram Wberas (100menit ) 17,1gram Wberas (10menit ) 23,8065 gram X0
(25 17,1) gram 100% 31,6% 25 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit)
Wair (awal ) Wberasawal X 0 Wair (awal ) 25 gram 31,6% 7,9 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 7,9 (25 23,8065) 6,7065 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
6,7065 100% 26,826% 25
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (7,9 6,7065) gram N 0,11935 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
25
23.8065
31.6
7.9
6.7065
26.826
0.11935
20
23.8065
22.8746
28.1708777
6.7065
5.7746
24.25640056
0.046595
30
22.8746
21.98
25.24459444
5.7746
4.88
21.33370638
0.02982
40
21.98
21.29
22.20200182
4.88
4.19
19.06278435
0.01725
50
21.29
19.88
19.68060122
4.19
2.78
13.0577736
0.0282
60
19.88
19.08
13.98390342
2.78
1.98
9.959758551
0.013333333
70
19.08
18.25
10.37735849
1.98
1.15
6.027253669
0.011857143
80
18.25
17.59
6.301369863
1.15
0.49
2.684931507
0.00825
90
17.59
17.1
2.785673678
0.49
0
0
0.005444444
100
17.1
17.1
0
0
0
0
0
F. Sampel 30 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 30 gram Wberas (100menit ) 22 gram Wberas (10menit ) 29,87 gram X0
(30 22) gram 100% 26,67% 30 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 30 gram 26,67% 8 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 8 (30 29,87) 7,87 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
7,87 100% 26,234% 30
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (8 7,87) gram N 0,013gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
30
29.87
26.66666667
8
7.87
26.23333333
0.013
20
29.87
28.8092
26.34750586
7.87
6.8092
22.7961165
0.05304
30
28.8092
28
23.63550532
6.8092
6
20.82668037
0.026973333
40
28
27.27
21.42857143
6
5.27
18.82142857
0.01825
50
27.27
26.0318
19.32526586
5.27
4.0318
14.78474514
0.024764
60
26.0318
25.05
15.48798009
4.0318
3.05
11.71643912
0.016363333
70
25.05
24.09
12.1756487
3.05
2.09
8.343313373
0.013714286
80
24.09
23.21
8.675799087
2.09
1.21
5.02283105
0.011
90
23.21
22.42
5.213270142
1.21
0.42
1.809564843
0.008777778
100
22.42
22
1.873327386
0.42
0
0
0.0042
Tin (℃)
Massa sebelum dikeringkan (gram) 137.3236 135.0716 132.8287 135.1271 132.0377 137.9218 Tout (℃)
Massa sesusah dikeringkan (gram) 137.3167 135.0675 132.824 135.1256 132.0359 137.9191
Massa cawan + sampel 142.3167 145.0675 147.824 155.1256 157.0359 167.9191
Sample 5 g
Sample 10 g
Sample 15 g
Sample 20 g
Sample 25 g
Sample 30 g
min
mout
min
mout
min
mout
min
mout
min
mout
min
mout
10
112.6
120
5
4.0835
10
9.4035
15
14.2105
20
19.21
25
23.8065
30
29.87
20
125.2
154.8
4.0835
3.6024
9.4035
8.6717
14.2105
13.335
19.21
18.3204
23.8065
22.8746
29.87
28.8092
30
127.3
155.3
3.6024
3.36
8.6717
8.11
13.335
12.71
18.3204
17.46
22.8746
21.98
28.8092
28
40
122.2
155.4
3.36
3.27
8.11
7.63
12.71
12.14
17.46
16.85
21.98
21.29
28
27.27
50
136.4
155.9
3.27
3.23
7.63
7.125
12.14
11.29
16.85
15.68
21.29
19.88
27.27
26.0318
60
133
146.9
3.23
3.19
7.125
6.93
11.29
10.67
15.68
14.98
19.88
19.08
26.0318
25.05
70
130.3
155.2
3.19
3.17
6.93
6.8
10.67
10.31
14.98
14.23
19.08
18.25
25.05
24.09
80
127.5
155.5
3.17
3.155
6.8
6.71
10.31
10.11
14.23
13.79
18.25
17.59
24.09
23.21
90
136.4
155
3.155
3.14
6.71
6.66
10.11
9.96
13.79
13.52
17.59
17.1
23.21
22.42
100
120
155.6
3.14
3.14
6.66
6.66
9.96
9.96
13.52
13.52
17.1
17.1
22.42
22
HASIL PERHITUNGAN A. Sampel 5 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 5 gram Wberas (100menit ) 3,14 gram Wberas (10menit ) 4,0835 gram X0
(5 3,14) gram 100% 37,2% 5 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 5 gram 37,2% 1,86 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 1,86 (5 4,0835) 0,9435 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
0,9435 100% 18,87% 5
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (1,86 0,9435) gram N 0,09165 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
5
4.0835
37.2
1.86
0.9435
18.87
0.09165
20
4.0835
3.6024
23.10517938
0.9435
0.4624
11.32361944
0.024055
30
3.6024
3.36
12.83588719
0.4624
0.22
6.107039751
0.00808
40
3.36
3.27
6.547619048
0.22
0.13
3.869047619
0.00225
50
3.27
3.23
3.975535168
0.13
0.09
2.752293578
0.0008
60
3.23
3.19
2.786377709
0.09
0.05
1.547987616
0.000666667
70
3.19
3.17
1.567398119
0.05
0.03
0.940438871
0.000285714
80
3.17
3.155
0.94637224
0.03
0.015
0.47318612
0.0001875
90
3.155
3.14
0.475435816
0.015
0
0
0.000166667
100
3.14
3.14
0
0
0
0
0
B. Sampel 10 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 10 gram Wberas (100menit ) 6,66 gram Wberas (10menit ) 9,4035 gram X0
(10 6,66) gram 100% 33,4% 10 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 10 gram 33,4% 3,34 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 3,34 (10 9,4035) 2,7435 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
2,7435 100% 27,435% 10
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (3,34 2,7435) gram N 0,05965 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
10
9.4035
33.4
3.34
2.7435
27.435
0.05965
20
9.4035
8.6717
29.17530707
2.7435
2.0117
21.39309831
0.03659
30
8.6717
8.11
23.19845013
2.0117
1.45
16.72105815
0.018723333
40
8.11
7.63
17.87916153
1.45
0.97
11.96054254
0.012
50
7.63
7.125
12.7129751
0.97
0.465
6.094364351
0.0101
60
7.125
6.93
6.526315789
0.465
0.27
3.789473684
0.00325
70
6.93
6.8
3.896103896
0.27
0.14
2.02020202
0.001857143
80
6.8
6.71
2.058823529
0.14
0.05
0.735294118
0.001125
90
6.71
6.66
0.745156483
0.05
0
0
0.000555556
100
6.66
6.66
0
0
0
0
0
C. Sampel 15 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 15 gram Wberas (100menit ) 9,96 gram Wberas (10menit ) 14,2105 gram X0
(15 9,96) gram 100% 33,6% 15 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 15 gram 33,6% 5,04 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 5,04 (15 14,2105) 4,2505 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
4,2505 100% 28,337% 15
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (5,04 4,2505) gram N 0,07895 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
15
14.2105
33.6
5.04
4.2505
28.33666667
0.07895
20
14.2105
13.335
29.91098132
4.2505
3.375
23.75004398
0.043775
30
13.335
12.71
25.30933633
3.375
2.75
20.6224222
0.020833333
40
12.71
12.14
21.63650669
2.75
2.18
17.15184894
0.01425
50
12.14
11.29
17.95716639
2.18
1.33
10.95551895
0.017
60
11.29
10.67
11.78033658
1.33
0.71
6.288751107
0.010333333
70
10.67
10.31
6.654170572
0.71
0.35
3.28022493
0.005142857
80
10.31
10.11
3.394762367
0.35
0.15
1.454898157
0.0025
90
10.11
9.96
1.483679525
0.15
0
0
0.001666667
100
9.96
9.96
0
0
0
0
0
D. Sampel 20 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 20 gram Wberas (100menit ) 13,52 gram Wberas (10menit ) 19,21gram X0
(20 13,52 gram 100% 32,4% 20 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 20 gram 32,4% 6,48 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 6,48 (20 19,21) 5,69 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
5,69 100% 28,45% 20
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (16,48 5,69) gram N 0,079 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
20
19.21
32.4
6.48
5.69
28.45
0.079
20
19.21
18.3204
29.61998959
5.69
4.8004
24.98906819
0.04448
30
18.3204
17.46
26.20248466
4.8004
3.94
21.50608065
0.02868
40
17.46
16.85
22.56586483
3.94
3.33
19.07216495
0.01525
50
16.85
15.68
19.76261128
3.33
2.16
12.8189911
0.0234
60
15.68
14.98
13.7755102
2.16
1.46
9.31122449
0.011666667
70
14.98
14.23
9.746328438
1.46
0.71
4.73965287
0.010714286
80
14.23
13.79
4.98945889
0.71
0.27
1.897399859
0.0055
90
13.79
13.52
1.957940537
0.27
0
0
0.003
100
13.52
13.52
0
0
0
0
0
E. Sampel 25 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 25 gram Wberas (100menit ) 17,1gram Wberas (10menit ) 23,8065 gram X0
(25 17,1) gram 100% 31,6% 25 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit)
Wair (awal ) Wberasawal X 0 Wair (awal ) 25 gram 31,6% 7,9 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 7,9 (25 23,8065) 6,7065 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
6,7065 100% 26,826% 25
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (7,9 6,7065) gram N 0,11935 gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
25
23.8065
31.6
7.9
6.7065
26.826
0.11935
20
23.8065
22.8746
28.1708777
6.7065
5.7746
24.25640056
0.046595
30
22.8746
21.98
25.24459444
5.7746
4.88
21.33370638
0.02982
40
21.98
21.29
22.20200182
4.88
4.19
19.06278435
0.01725
50
21.29
19.88
19.68060122
4.19
2.78
13.0577736
0.0282
60
19.88
19.08
13.98390342
2.78
1.98
9.959758551
0.013333333
70
19.08
18.25
10.37735849
1.98
1.15
6.027253669
0.011857143
80
18.25
17.59
6.301369863
1.15
0.49
2.684931507
0.00825
90
17.59
17.1
2.785673678
0.49
0
0
0.005444444
100
17.1
17.1
0
0
0
0
0
F. Sampel 30 gram (10 menit) 1. Menghitung kandungan air dalam bahan Dikeringkan dalam oven selama 100 menit
X0
(Wberas (awal ) Wberas (100menit )) Wawal
Wberas (awal ) 30 gram Wberas (100menit ) 22 gram Wberas (10menit ) 29,87 gram X0
(30 22) gram 100% 26,67% 30 gram
2. Menghitung kandungan air dalam bahan pada interval waktu (10 menit) Wair (awal ) Wberasawal X 0 Wair (awal ) 30 gram 26,67% 8 gram Wair (10menit ) Wair (awal ) (Wberas (awal ) Wberas (10menit )) Wair (10menit ) 8 (30 29,87) 7,87 gram X0
Wair (10menit ) 100% Wberas (awal )
X0
7,87 100% 26,234% 30
3. Menghitung laju pengeringan (drying rate)
Wair (awal ) Wair (10menit ) t (8 7,87) gram N 0,013gram / menit 10menit
N
t
Wberas awal
Wberas x menit
Xt
W air awal
Wair x menit
X
N
10
30
29.87
26.66666667
8
7.87
26.23333333
0.013
20
29.87
28.8092
26.34750586
7.87
6.8092
22.7961165
0.05304
30
28.8092
28
23.63550532
6.8092
6
20.82668037
0.026973333
40
28
27.27
21.42857143
6
5.27
18.82142857
0.01825
50
27.27
26.0318
19.32526586
5.27
4.0318
14.78474514
0.024764
60
26.0318
25.05
15.48798009
4.0318
3.05
11.71643912
0.016363333
70
25.05
24.09
12.1756487
3.05
2.09
8.343313373
0.013714286
80
24.09
23.21
8.675799087
2.09
1.21
5.02283105
0.011
90
23.21
22.42
5.213270142
1.21
0.42
1.809564843
0.008777778
100
22.42
22
1.873327386
0.42
0
0
0.0042
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