Add time:07/12/2019         Source:sciencedirect.com

The synthesis of bis-[2-[(tetrahydro-2H-pyran-2-yl)thio]phenyl] diazine is reported and its potential as a spectrophotometric reagent for Hg2+ is explored. The dye reacts in 1:1 stoichiometry with Hg2+ and the product of this reaction, which is extracted into chloroform, has a molar absorptivity of 3.20 × 103 l.mole−1.cm−1 at 525 nm and obeys Beer's law in the range 0–50 ppm Hg2+.

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