Perhitungan Penetapan Kadar Air

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