Au Ab K = Lampiran
Perhitungan Penetapan Kadar Bahan Baku Parasetamol
Kadar bahan baku parasetamol dihitung dengan rumus sebagai berikut : X Ks
Keterangan :
Au: Absorbansi Larutan Uji Ab: Absorbansi Larutan Baku
Ks: Kadar standar Baku Pembanding Farmakope Indonesia
Data bahan baku ini adalah data pengujian pada tanggal 13 Mei 2011. Diketahui :
Tabel.2 Data Penetapan Kadar Bahan Baku Parasetamol
No Sampel Absorbansi
1 Sampel III Sampel IV Sampel V Sampel VI Sampel VII Sampel VIII
Sampel IX
0,73108
0,73846 0,74105
0,73785
0,73724 0,74010
0,73904
Ab : 0,73846
Ks : 100,21%
Kadar sampel I : X 100,21% = 101,00%
Kadar sampel II : X 100,21% = 100,28%
Kadar sampel III : X 100,21% = 99,21%
Kadar sampel IV : X 100,21% = 100,56%
Kadar sampel V : X 100,21% = 100,13%
Kadar sampel VI : X 100,21% = 100,43%
Kadar sampel VII : X 100,21% = 100,04% 0,73846
0,74433 0,73846
0,73902 0,73846
0,73846
0,73846
0,73846
0,73737
Kadar sampel VIII : X 100,21% = 100,29%
Kadar sampel IX : X 100,21% = 100,06%
Kadar rata – rata bahan baku parasetamol :
=
= 100,22%
0,73846
0,73846