Lampiran 3. Perhitungan Hasil Pemeriksaan Karakteristisasi Simplisia
1. Perhitungan Penetapan Kadar Air
a. Berat sampel = 5,009 g
Volume air = 0,35 ml
Kadar air =
0,35 5,009
� 100 = 6,99 b.
Berat sampel = 5,003 g Volume air
= 0,35 ml Kadar air =
0,35 5,003
� 100 = 6,99
c. Berat sampel = 5,002 g
Volume air = 0,35 ml
Kadar air =
0,35 5,002
x 100 = 6,99
Kadar air rata-rata =
6,99+6,99+6,99 3
= 6,99 Kadar air simplisia =
Volume air Berat Sampel
× 100
Universitas Sumatera Utara
Lampiran 3. Lanjutan
a. Perhitungan Penetapan Kadar Sari Larut dalam Air
a. Berat sampel = 5,013 g
Berat sari = 0,195 g
Kadar sari =
0,195 5,013
�
100 20
� 100 = 19,5 b.
Berat sampel = 5,008 g Berat sari
= 0,192 g Kadar sari =
0,192 5,008
�
100 20
� 100 = 19,2
c. Berat sampel = 5,009 g
Berat sari = 0,192 g Kadar sari =
0,192 5,009
x
100 20
x 100 = 19,2
Kadar sari rata-rata =
19,5+19.2+19.2 3
= 19,3 Kadar sari =
Berat sari Berat Sampel
x 100
20 × 100
Universitas Sumatera Utara
Lampiran 3. Lanjutan b. Perhitungan Penetapan Kadar Sari Larut dalam Etanol
a. Berat sampel = 5,001 g
Berat sari = 0,235 g
Kadar sari =
0,235 5,001
�
100 20
� 100 = 23,5 b.
Berat sampel = 5,005 g Berat sari
= 0,238 g Kadar sari =
0,238 5,005
�
100 20
� 100 = 23,8
c. Berat sampel = 5,011 g
Berat sari = 0,238 g Kadar sari =
0,238 5,011
x
100 20
x 100 = 23,8
Kadar sari rata-rata =
23,5+23,8+23,8 3
= 23,7
Lampiran 3. Lanjutan Kadar sari =
Berat sari Berat Sampel
x 100
20 × 100
Universitas Sumatera Utara
c. Perhitungan Penetapan Kadar Abu Total
a. Berat sampel = 2,012 g
Berat abu = 0,061 g
Kadar abu =
0,061 2,012
� 100 = 3,03 b.
Berat sampel = 2,003 g Berat abu
= 0,060 g Kadar abu
=
0,060 2,003
� 100 = 2,99
c. Berat sampel = 2,021 g
Berat abu = 0,061 g
Kadar abu =
0,061 2,021
x 100 = 3,02
Kadar abu total rata-rata =
3,03+2,99+3,02 3
= 3,01 Lampiran 3. Lanjutan
Kadar abu total = Berat Abu
Berat Sampel × 100
Universitas Sumatera Utara
d. Perhitungan Penetapan Kadar Abu Tidak Larut Asam
a. Berat sampel = 2,012 g
Berat abu = 0,18 g
Kadar abu =
0,18 2,012
� 100 = 0,89 b.
Berat sampel = 2,003 g Berat abu
= 0,021 g Kadar abu =
0,021 2,003
� 100 = 1,05
c. Berat sampel = 2,021 g
Berat abu = 0,020 g
Kadar abu =
0,020 2,021
x 100 = 0,99
Kadar abu total rata-rata =
0,89+1,05+0,99 3
= 0,98
Lampiran 4. Perhitungan Hasil Pemeriksaan Karakteristisasi Ekstrak
Kadar abu tidak larut asam = Berat Abu
Berat Sampel × 100
Universitas Sumatera Utara
1. Perhitungan Penetapan Kadar Air