Data Hasil Praktikum

Tabel StandarNo. C (μ) Abs

1 80 0,7022 70 0,6123 60 0,5494 50 0,4025 40 0,3046 30 0,239

20 30 40 50 60 70 80 900

0.10.20.30.40.50.60.70.8

f(x) = 0.00967428571428571 x − 0.0640857142857143R² = 0.988172608345644

Konsentrasi

Abs

Abs sampel 1 : 0,203

Abs sampel 2 : 0,309

y = 0,00967x - 0,0641

Abs sampel 1 = 0,00967x - 0,0641

0,230 = 0,00967x - 0,0641

0,00967x = 0,230 + 0,0641

x = 30,413 μg

Konversi pengenceran = 30,413 x 1000

= 30.413 μg

Konversi μg = 30.413μ g

118mg

= 257,73 μg / mg

= 257,73 x 673,5

= 173.581,155 μg Pct

% Kadar = 173,58mgPct

500mg x

100%

= 34,71%

y = 0,00967x - 0,0641

Abs sampel 2 = 0,00967x - 0,0641

0,309 = 0,00967x - 0,0641

0,00967x = 0,309 + 0,0641

x = 38,583 μg

Konversi pengenceran = 38,583 μg x 100

= 3.858,3 μg

Konversi μg = 3.858,3μg

300mg

= 12,861 μg / mg

= 12,861 x 673,5

= 8.661,883 μg Pct

% Kadar = 8,661mgPct

500mg x 100%

= 1,7323%