|
Technique’s name | Solvent for dissolving and dilution | Conditions | Matrices | Reference |
|
DRIR + XRD | 8 ml of acetone was added as an eluent | Spectral limits 3587,3557 cm−1 | Different hydrated forms of CP.2HCl | [73] |
FTIR | The samples were diluted to 1000 mg with KBr Potassium bromide was used as a diluent | 4000–400 cm−1 | Pharmaceutical formulations | [74] |
Savitzky–Golay differentiation filters and Fourier functions | Solutions prepared in concentration 100 μg ml−1 in water | 266 | Human plasma | [75] |
Complexation with Hg | Solutions were prepared in concentration 20–400 μg ml−1 in water | 257 | Pharmaceutical dosage forms | [76] |
Spectrophotometry with ammonium molybdate | Solutions were prepared in concentration 1000 μg ml−1 in water | 695 | Pharmaceutical dosage forms | [77] |
Spectrofluorometry | | EXW (307), EMW (297), 435 | Dosage forms | [78] |
Spectrophotometry using a tetrazolium Salt | Solutions were prepared in concentration 20 μg ml−1 with MeOH | 483 | Pharmaceutical dosage forms | [79] |
UV spectrometry | Diluted with UB (0.1 M CH3COOH + 0.1 M H3PO4 + 0.1 M H3BO3) | 264, 230 | Pharmaceutical preparation | [57] |
Fluorescence spectroscopy | Solutions were prepared with doubly distilled water | The EW was 280, 295The fluorescent intensity set at 341 | Lysosome | [80] |
UV + FTIR | Solutions were prepared in water; fluorescence intensity was measured in Tris/HCl solution pH 7.4 | EW was 310 and EW set at 435 | Pharmaceutical ingredient | [81] |
Spectrophotometry | Solutions were prepared and diluted with 0.1 N NaOH | 232 | Pharmaceutical dosage forms | [82] |
Spectrophotometry | Solutions were prepared and diluted with water | 570 | Pure and pharmaceutical dosage forms | [83] |
Derivative spectrophotometry | Solutions were prepared and diluted with water | 239, 254 | Injections | [84] |
Direct-infusion electrospray ionization | The solutions of NMP (N-methyl pyrrolidine) were prepared and diluted with water-MeOH (50 : 50) | ESI (V of 2000 V) flow of 7 l min−1, GOT of 250°C | NMP in CP | [85] |
FAIMS (V 75 and 375 V), electrode gaps (100 mm) with (700 mm) as a path length |
Microbiological assay | Powders were dissolved and diluted in water to give concentrations of 8.0, 16.0, and 32.0 μg m−1 | 580 | Injectable preparations | [86] |
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