Research Article
Synthesis of 6-(2-Methoxynaphthyl)-2,3-dihydro-1,2,4-triazine-3-thione as a New Reagent for Spectrophotometric Determination of Copper
Table 5
Comparison of reagents for the spectrophotometric determination of copper (II).
| | Reagent | Molar absorptivity | (nm) | Linear range | Extractant | LOD | Reference |
| | Chloro-(phenyl)glyoxime | 8 × 103 | 290.5 | 0.1–10 (µg/mL) | — | 0.01 (µg/mL) | [21] | | 1-Phenyl-1,2-propanedione-2-oxime thiosemicarbazone | 5.5 × 103 | 465 | 0.35–7.63 (µg/mL) | — | — | [22] | | NDTT | — | 501 | 1–30 (µg/mL) | Chloroform | 0.26 (µg/mL) | [18] | | meso-HMPAO | 338 | 497 | 0.5–370 (µg/mL) | — | 0.50 (µg/mL) | [23] | | HMBO | 7 × 102 | 400 | 0–31.75 (µg/10 mL) | Chloroform | — | [24] | | MNDTT | 4.4 × 103 | 475 | 2.5–20 (µg/10 mL) | — | 0.33 (µg/10 mL) | Present method |
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