Perpustakaan Unika
7.
LAMPIRAN
Perpustakaan Unika
Lampiran 1. Pembagian Jumlah Data Ikan Mujair ∼
Pembagian jumlah data ikan mujair berdasarkan berat *Range (R) = Nilai data terbesar – Nilai data terkecil = 304,78 – 33,58 Range (R) = 271,2 *Interval (i) = R / Σ kelas = 271,2 / 3 = 90,4 33,58 < kelompok kecil < 123,98
(35 data)
123,99 < kelompok sedang < 214,38 (29 data) 214,39 < kelompok besar < 304,78 (26 data)
Berat Konsentrasi Pb Konsentrasi Cu Kandungan Pb Kandungan Cu
Kelompok Kecil Sedang Besar Kecil Sedang Besar Kecil Sedang Besar Kecil Sedang Besar Kecil Sedang Besar
Mean 67,75 174,92 258,85 0,77 1,42 1,57 0,19 0,24 0,35 57,38 250,31 406,01 12,68 42,57 89,35
Standar deviasi 27,07 22,69 25,05 0,27 0,21 0,17 0,05 0,07 0,08 39,29 57,37 63,83 6,67 14,41 19,37
Perpustakaan Unika
∼
Pembagian jumlah data ikan mujair berdasarkan panjang *Range (R) = Nilai data terbesar – Nilai data terkecil = 24,5 – 13,3 Range (R) = 11,2 *Interval (i) = R / Σ kelas = 11,2 / 3 = 3,73 13,3 < kelompok kecil < 17,03
(25 data)
17,04 < kelompok sedang < 20,77
(31 data)
20,78 < kelompok besar < 24,5
(34 data)
Panjang Konsentrasi Pb Konsentrasi Cu Kandungan Pb Kandungan Cu
Kelompok Kecil Sedang Besar Kecil Sedang Besar Kecil Sedang Besar Kecil Sedang Besar Kecil Sedang Besar
Mean 15,14 19,15 22,46 0,68 1,27 1,55 0,19 0,23 0,32 38,03 193,40 378,75 9,90 34,10 79,32
Standar deviasi 1,21 0,92 0,99 0,24 0,28 0,18 0,04 0,08 0,09 21,48 79,37 76,21 3,40 17,14 25,18
Perpustakaan Unika
Lampiran 2. Data SPSS Hubungan Ukuran Ikan – Kandungan Logam ∼
Data SPSS berat ikan berukuran kecil dengan logam Pb
Power Model Summary
R
Adjusted R
Std. Error of the
Square
Estimate
R Square .901
.811
.805
.321
The independent variable is berat.
ANOVA Sum of Squares Regression Residual Total
df
Mean Square
14.573
1
14.573
3.398
33
.103
17.971
34
F
Sig.
141.526
.000
The independent variable is berat.
Coefficients Standardized Unstandardized Coefficients B ln(berat) (Constant)
Std. Error 1.638
.138
.051
.029
The dependent variable is ln(TPb).
Coefficients t
Beta .901
Sig.
11.896
.000
1.747
.090
Perpustakaan Unika
∼
Data SPSS berat ikan berukuran kecil dengan logam Cu
Power Model Summary
R
R Square .803
Adjusted R
Std. Error of the
Square
Estimate
.644
.633
.275
The independent variable is berat.
ANOVA Sum of Squares
df
Mean Square
Regression
4.503
1
4.503
Residual
2.488
33
.075
Total
6.991
34
The independent variable is berat.
F 59.742
Sig. .000
Perpustakaan Unika
Coefficients Standardized Unstandardized Coefficients B
Std. Error
ln(berat)
.911
.118
(Constant)
.263
.129
The dependent variable is ln(TCu).
Coefficients t
Beta .803
Sig.
7.729
.000
2.042
.049
Perpustakaan Unika
∼
Data SPSS berat ikan berukuran sedang dengan logam Pb
Power Model Summary
R
Adjusted R
Std. Error of the
Square
Estimate
R Square .838
.702
.691
.143
The independent variable is berat.
ANOVA Sum of Squares Regression Residual Total
df
Mean Square
1.295
1
1.295
.549
27
.020
1.844
28
F
Sig.
63.734
.000
The independent variable is berat.
Coefficients Standardized Unstandardized Coefficients B ln(berat) (Constant)
Std. Error 1.590
.199
.067
.069
The dependent variable is ln(TPb).
Coefficients t
Beta .838
Sig.
7.983
.000
.974
.339
Perpustakaan Unika
∼
Data SPSS berat ikan berukuran sedang dengan logam Cu
Power Model Summary
R
R Square .515
Adjusted R
Std. Error of the
Square
Estimate
.266
.238
.313
The independent variable is berat.
ANOVA Sum of Squares Regression
df
Mean Square
.957
1
.957
Residual
2.644
27
.098
Total
3.601
28
The independent variable is berat.
F 9.767
Sig. .004
Perpustakaan Unika
Coefficients Standardized Unstandardized Coefficients B ln(berat) (Constant)
Std. Error 1.366
.437
.035
.079
The dependent variable is ln(TCu).
Coefficients t
Beta .515
Sig.
3.125
.004
.443
.661
Perpustakaan Unika
∼
Data SPSS berat ikan berukuran besar dengan logam Pb
Power Model Summary
R
Adjusted R
Std. Error of the
Square
Estimate
R Square .721
.519
.499
.111
The independent variable is berat.
ANOVA Sum of Squares
df
Mean Square
Regression
.321
1
.321
Residual
.297
24
.012
Total
.619
25
F
Sig.
25.939
.000
The independent variable is berat.
Coefficients Standardized Unstandardized Coefficients B ln(berat) (Constant)
Std. Error 1.179
.232
.575
.739
The dependent variable is ln(TPb).
Coefficients t
Beta .721
Sig.
5.093
.000
.778
.444
Perpustakaan Unika
∼
Data SPSS berat ikan berukuran besar dengan logam Cu
Power Model Summary
R
R Square .173
Adjusted R
Std. Error of the
Square
Estimate
.030
-.010
.244
The independent variable is berat.
ANOVA Sum of Squares Regression
df
Mean Square
.044
1
.044
Residual
1.425
24
.059
Total
1.469
25
The independent variable is berat.
F
Sig. .740
.398
Perpustakaan Unika
Coefficients Standardized Unstandardized Coefficients B ln(berat) (Constant)
Std. Error .436
.507
7.730
21.756
The dependent variable is ln(TCu).
Coefficients t
Beta .173
Sig. .860
.398
.355
.725
Perpustakaan Unika
∼
Data SPSS panjang ikan berukuran kecil dengan logam Pb
Power Model Summary
R
R Square .783
Adjusted R
Std. Error of the
Square
Estimate
.612
.596
.122
The independent variable is panjang.
ANOVA Sum of Squares
df
Mean Square
Regression
.542
1
.542
Residual
.343
23
.015
Total
.885
24
F
Sig.
36.348
.000
The independent variable is panjang.
Coefficients Standardized Unstandardized Coefficients B
Std. Error
ln(panjang)
1.884
.312
(Constant)
.019
.016
The dependent variable is ln(PbS).
Coefficients t
Beta .783
Sig.
6.029
.000
1.179
.251
Perpustakaan Unika
∼
Data SPSS panjang ikan berukuran kecil dengan logam Cu
Power Model Summary
R
R Square .638
Adjusted R
Std. Error of the
Square
Estimate
.407
.381
.083
The independent variable is panjang.
ANOVA Sum of Squares
df
Mean Square
Regression
.108
1
.108
Residual
.157
23
.007
Total
.264
24
The independent variable is panjang.
F 15.796
Sig. .001
Perpustakaan Unika
Coefficients Standardized Unstandardized Coefficients B
Std. Error
ln(panjang)
.839
.211
(Constant)
.217
.124
The dependent variable is ln(CuS).
Coefficients t
Beta .638
Sig.
3.974
.001
1.744
.094
Perpustakaan Unika
∼
Data SPSS panjang ikan berukuran sedang dengan logam Pb
Power Model Summary
R
R Square .801
Adjusted R
Std. Error of the
Square
Estimate
.642
.630
.094
The independent variable is panjang.
ANOVA Sum of Squares
df
Mean Square
Regression
.462
1
.462
Residual
.258
29
.009
Total
.720
30
F
Sig.
51.975
.000
The independent variable is panjang.
Coefficients Standardized Unstandardized Coefficients B
Std. Error
ln(panjang)
2.553
.354
(Constant)
.003
.003
The dependent variable is ln(PbS).
Coefficients t
Beta .801
Sig.
7.209
.000
.957
.347
Perpustakaan Unika
∼
Data SPSS panjang ikan berukuran sedang dengan logam Cu
Power Model Summary
R
R Square .681
Adjusted R
Std. Error of the
Square
Estimate
.464
.446
.131
The independent variable is panjang.
ANOVA Sum of Squares
df
Mean Square
Regression
.428
1
.428
Residual
.494
29
.017
Total
.923
30
The independent variable is panjang.
F 25.134
Sig. .000
Perpustakaan Unika
Coefficients Standardized Unstandardized Coefficients B
Std. Error
ln(panjang)
2.458
.490
(Constant)
.002
.003
The dependent variable is ln(CuS).
Coefficients t
Beta .681
Sig.
5.013
.000
.691
.495
Perpustakaan Unika
∼
Data SPSS panjang ikan berukuran besar dengan logam Pb
Power Model Summary
R
R Square .747
Adjusted R
Std. Error of the
Square
Estimate
.558
.544
.046
The independent variable is panjang.
ANOVA Sum of Squares
df
Mean Square
Regression
.086
1
.086
Residual
.068
32
.002
Total
.154
33
F
Sig.
40.354
.000
The independent variable is panjang.
Coefficients Standardized Unstandardized Coefficients B
Std. Error
ln(panjang)
1.163
.183
(Constant)
.193
.110
The dependent variable is ln(PbS).
Coefficients t
Beta .747
Sig.
6.352
.000
1.755
.089
Perpustakaan Unika
∼
Data SPSS panjang ikan berukuran besar dengan logam Cu
Power Model Summary
R
R Square .573
Adjusted R
Std. Error of the
Square
Estimate
.329
.308
.098
The independent variable is panjang.
ANOVA Sum of Squares
df
Mean Square
Regression
.151
1
.151
Residual
.309
32
.010
Total
.460
33
The independent variable is panjang.
F 15.672
Sig. .000
Perpustakaan Unika
Coefficients Standardized Unstandardized Coefficients B
Std. Error
ln(panjang)
1.544
.390
(Constant)
.035
.042
The dependent variable is ln(CuS).
Coefficients t
Beta .573
Sig.
3.959
.000
.824
.416
Perpustakaan Unika
Lampiran 3. Perhitungan MRL Logam ∼
MRL logam Pb
Maximum Tolerable Weekly Intake (MTWI) = 25 μg/kg berat badan. Asumsi berat badan = 65 kg →
MTWI = 25 μg/kg x 65 kg = 1625 μg = 1,625 mg
⎛ total _ konsumsi _ ikan ⎞ ⎟⎟ x100% xMTWI Index _ log am = ⎜⎜ ⎝ total _ konsumsi ⎠ ⎛ 49,84 g / hari ⎞ ⎟⎟ x100% x1,625 mg Index _ log am = ⎜⎜ ⎝ 838,54 g / hari ⎠ = 0,0965 mg Maksimum konsumsi ikan per minggu = 49,84 g/hari x 7 hari = 348,88 g = 0,348 kg MRL =
index _ log am _ maksimum _ pada _ ikan maksimum _ konsumsi _ ikan _ per _ min ggu
MRL =
0,0965mg = 0,28 mg/kg = 0,28 µg/g 0,348kg
∼
MRL logam Cu
Upper Limit of Safe Range (ULSR) logam Cu = 12 mg/hari. Maximum Tolerable Weekly Intake (MTWI) = 12 mg/hari x 7 hari = 84 mg ⎛ total _ konsumsi _ ikan ⎞ ⎟⎟ x100% xMTWI Index _ log am = ⎜⎜ ⎝ total _ konsumsi ⎠ ⎛ 49,84 g / hari ⎞ ⎟⎟ x100% x84 mg Index _ log am = ⎜⎜ ⎝ 838,54 g / hari ⎠ = 4,99 mg
Perpustakaan Unika
Maksimum konsumsi ikan per minggu = 49,84 g / hari x 7 hari = 348,88 g = 0,348 kg MRL =
index _ log am _ maksimum _ pada _ ikan maksimum _ konsumsi _ ikan _ per _ min ggu
MRL =
4,99mg = 14,34 mg/kg = 14,34 µg/g 0,348kg
