Hasil Pengamatan Vit b12
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HASIL PENGAMATAN. NO. Konsentrasi ( C ) Absorbansi ( A ) 1 200 0,353 2 250 0,473 3 300 0,597 4 350 0,712 5 400 0,827 Y = bx ± a. 0,557 = 0,0024 x – 0,1198 0,0024 x = 0,557 + 0,1198 x = 0,557+0,1198 0,0024 x = 282 ppm Kadar analit dalam sampel. 10 ml 1000 ml x 282 mg = 2,82 mg / 10 ml. Persen analit. 2,82 mg 171 mg x 100 % = 1,6491 %
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Transcript of Hasil Pengamatan Vit b12
HASIL PENGAMATAN.
NO. Konsentrasi ( C ) Absorbansi ( A )
1 200 0,353
2 250 0,473
3 300 0,597
4 350 0,712
5 400 0,827
Y = bx ± a.
0,557 = 0,0024 x – 0,1198
0,0024 x = 0,557 + 0,1198
x = 0,557+0,1198
0,0024
x = 282 ppm
Kadar analit dalam sampel.
10ml1000ml
x 282 mg = 2,82 mg / 10 ml.
Persen analit.
2,82mg171mg
x 100 % = 1,6491 %
