Table 2 Some reported spectrofluorometric methods compared with the suggested methodology
Reagent | Linear range (µg/mL) | LOD (µg/mL) | LOQ (µg/mL) | Heating Temperature | Time | Ref. |
|---|---|---|---|---|---|---|
Acetyl acetone and formaldehyde (Hantzsch) | 0.05–0.5 0.5-1.0 | 0.013 0.04 | 0.04 0.12 | 100oC 100oC | 35 min 30 min | [16] [17] |
o-phthaldehyde and N-acetylcysteine | 0.5–10.0 | 0.16 | 0.48 | Ambient | 20 min | [16] |
Nitrogen and sulfur carbon dots | 0.5–10 | 0.10 | 0.45 | Microwave for reagent preparation | 4 min | [18] |
Fluorescamine | 0.25-4.0 | 0.082 | 0.248 | Ambient | 6 min | This work |