Samsung RT34M Uživatelský manuál stáhnout pdf (Strana 88)

Dushyant Patel Extractive Spectrophotometric Method

S.K.P.C.P.E.R., Kherva 76 M .Pharm. Thesis

value of standard deviation indicates that the proposed methods are accurate. Results of

recovery studies are shown in Table No. 5.2 and 5.3.

TABLE NO: 5.2

DRUG RECOVERY STUDY IN CAPSULE DOSAGE FORM

Drug-Dye

Complex

Level

Amount of sample

taken

(µg/ml)

Amount of

standard spiked

(%)

Mean

% Recovery ± SD

(n=3)

GBP-BCG

I 40

50 %

99.23 ± 0.77

II 40

75 %

100.4 ± 0.77

III 40

100 %

100.3 ± 1.60

GBP-BTB

I 40 50 % 99.62 ± 0.29

II 40 75 % 99.88 ± 0.25

III 40 100 % 101.6 ± 0.18

TABLE NO: 5.3

DRUG RECOVERY STUDY IN TABLET DOSAGE FORM

Drug-Dye

Complex

Level

Amount of

sample taken

(µg/ml)

Amount of

standard

spiked (%)

Mean

% Recovery ± SD

(n=3)

GBP-BCG

50 % 99.23 ± 0.77

75 % 99.36 ± 1.18

III

100 % 99.91 ± 1.07

GBP-BTB

I 40 50 % 98.78 ± 0.11

II 40 75 % 99.12 ± 0.25

III 40 100 % 101.4 ± 0.05

5.3.3 Method precision (Repeatability):

¾ The RSD value of method precision for GBP was found to be 0.357 % for BCG and

0.330 % for BTB. (Table No. 5.4). Low relative standard deviation was indicates that the

proposed methods are repeatable.

TABLE NO: 5.4

PRECISION DATA FOR GBP

Sr. No.

Absorbance of GBP

BCG (GBP: 50 µg/ml) BTB (GBP: 70 µg/ml)

0.412 0.521

0.412 0.52

0.414 0.522

0.413 0.524

0.411 0.521

0.415 0.519

Mean

0.413 0.521

0.001 0.002

% RSD

0.357 0.330

1 2 ... 83 84 85 86 87 88 89 90 91 92 93

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