Research Article
Use of Two Sulfonphthalein Dyes for the Sensitive and Selective Extraction-Free Spectrophotometric Assay of Albendazole in Bulk Drug and in Tablets
Table 3
Method robustness and ruggedness expressed as intermediate precision.
| | | Method robustness | Method ruggedness | | Method | ALB taken
(µg mL−1) | Parameters altered,
volume of BPB/BTB
mLa % RSD
() | Interanalysts
(% RSD),
() | Interinstruments
(% RSD),
() |
| | A | 6.0
12.0
18.0 | 2.16
1.80
1.94 | 2.49
1.84
2.02 | 2.52
1.92
2.14 |
| | B | 8.0
16.0
24.0 | 2.11
1.65
1.74 | 2.46
1.94
2.06 | 2.75
2.07
2.35 |
|
|
In both methods, the volumes of reagent were 1 ± 0.1 mL.
|
