Research Article
Synthesis, Solvatochromic Performance, pH Sensing, Dyeing Ability, and Antimicrobial Activity of Novel Hydrazone Dyestuffs
Figure 4
Variations in the ratio of the absorbances at 451 and 538 nm of 1 in acetonitrile (ca. 2.3 × 10−5 mol·L−1) while shifting pH values back and forth between 6.62 and ∼6.93.