Lampiran 1 . Perhitungan Larutan Standar Cd2+
Larutan Induk 1000 ppm
5. Larutan Seri Standar Cd2+ 400 ppm
Lampiran 2 . Perhitungan Daya Serap (%) Zat Hasil Reaksi
% Daya Serap =Kadar Awal − Kadar Akhir
Kadar Awal x 100 %
1. % Daya Serap Selulosa Hasil Isolasi
a. Selulosa-Larutan Standar 100 ppm
% Daya Serap = 100 – 89,6752
100 x 100 %
= 0,103248 x 100 %
= 10,3248 %
b. Selulosa -Larutan Standar 200 ppm
% Daya Serap = 200 – 170,5713
200 x 100 %
= 0,147143 x 100 %
= 14,7143 %
c. Selulosa -Larutan Standar 300 ppm
% Daya Serap = 300– 273,7210
300 x 100 %
= 8,7596 %
d. Selulosa -Larutan Standar 400 ppm
% Daya Serap = 400 – 350,6309
400 x 100 %
= 0,123422 x 100 %
= 12,3422%
e. Selulosa -Larutan Standar 500 ppm
% Daya Serap = 500 – 474,5672
500 x 100 %
= 0,063582 x 100 %
= 6,3582%
2. % Daya Serap Selulosa Sitrat
a. Selulosa sitrat-Larutan Standar 100 ppm
% Daya Serap = 100 – 25,2128
100 x 100 %
= 0,747872 x 100 %
= 74,7872 %
b. Selulosa sitrat -Larutan Standar 200 ppm
% Daya Serap = 200 – 98,7235
200 x 100 %
= 0,506382 x 100 %
= 50,6382%
c. Selulosa sitrat -Larutan Standar 300 ppm
% Daya Serap = 300 – 232,7350
300 x 100 %
= 0,224216 x 100 %
d. Selulosa sitrat -Larutan Standar 400 ppm
% Daya Serap = 400 – 337,7189
400 x 100 %
= 0,155702 x 100 %
= 15,5702 %
e. Selulosa sitrat -Larutan Standar 500 ppm
% Daya Serap = 500 – 435,5375
500 x 100 %
= 0,128925 x 100 %
= 12,8925 %
Lampiran 3. Hasil SEM Senyawa Pembanding (Thanh, N. 2009)