Hasil PengamatanTabel data Larutan Baku Na-BenzoatNama ZatBobot (mg)Faktor PengenceranVolume PenyuntikanRespon Puncak (Area)

Na-benzoat50 mg50/0,5 x 5020 L23599074

50/1 x 5036415111

50/2 x 5052535503

50/3 x 5068104940

50/4 x 5083579926

Tabel data larutan sampelNama SampelBobotFaktor PengenceranVol PenyuntikanRespon Puncak (Area)

Na-Benzoat1 mL add 10 mL10 x20 L51525530

Perhitungan No X(g/20 L)Y (AUC)

10,200823599074

20,401636415111

30,803252535503

41,204868104940

51,606483579926

Persamaan Garis : Y= 41610270,6856 X + 17754472,9146 R = 0,9943Perhitungan Kadar Sampel

g/20 Lmg/20 L20 L = 2000 mLmg = 405,8019395 mg/1000 mL = 405,8019395 ppm405,8019395 ppm X 10 = 4058,019395 ppm ( kadar asam benzoat)Kadar Natrium benzoat = = 4058,019395 ppm = 4788,742016 ppmBerat Sampel = 1 mL/10 mL1 mL = 100 mg mg/1000 mL = 10000 ppm% kadar Na-benzoat = X 98 %= 46,93 %