Table 6 Recovery test of solid phase spectrophotometric determination of salicylate derivatives (n = 3, P = 0.95)
Analyte | Sample | Added (mM) | Found (mM) | RSD (%) | Recovery (%) |
|---|---|---|---|---|---|
Methylsalicylate | Deep heat creama | 0 | 1.01 ± 0.24 | 13.6 | |
0.91 | 1.85 ± 0.27 | 8.2 | 92.3 | ||
1.82 | 2.83 ± 0.24 | 4.9 | 100.0 | ||
Acetylsalicylic acid | Acetylsalicylic acid tablets Medisorb | 0 | 0.57 ± 0.06 | 6.4 | |
0.55 | 1.07 ± 0.06 | 3.4 | 90.9 | ||
1.1 | 1.68 ± 0.06 | 2.2 | 100.9 | ||
Acetylsalicylic acid tablets Tatkhim | 0 | 0.69 ± 0.09 | 7.6 | ||
0.55 | 1.20 ± 0.09 | 4.5 | 92.7 | ||
1.1 | 1.79 ± 0.09 | 2.9 | 100.0 | ||
Citramon tabletsb | 0 | 0.49 ± 0.09 | 10.6 | ||
0.55 | 1.02 ± 0.15 | 7.7 | 96.4 | ||
1.1 | 1.58 ± 0.15 | 5.8 | 99.1 |