Table 1: Structure and properties of dyes.

DyeMolecular weight g mol−1Wavelength of maximum absorption nmStructure

Basic Blue 41 (BB41)482.57617679352.table.001-1

Acid Black 1 (AB1)616.49620679352.table.001-2

Reactive Black 5 (RB5)991.82597679352.table.001-3

Basic Blue 9 (Methylene Blue)319.86665679352.table.001-4