Table 6: Results of recovery study via standard addition method with tablet.

MethodTablet studiedKTF in tablet
mg/µg mL−1
Pure KTF added
mg/µg mL−1
Total found
mg/µg mL−1
Pure KTF* 
Percent ± SD

A
Ketasma-16.033.09.24102.3 ± 1.98
6.036.012.22101.6 ± 1.25
6.039.015.29101.3 ± 2.08

B
Ketasma-13.031.54.54101.1 ± 1.26
3.033.06.09102.1 ± 1.98
3.034.57.59101.4 ± 1.34

C
Ketasma-12.051.03.06101. 1 ± 1.63
2.052.04.0399.36 ± 1.28
2.053.05.12102.4 ± 1.53

mg in method A; µg mL−1 in methods B and C. Mean value of three determinations.