Description...........................................................................................................Green to dark green crystals/powder , glistering pieces with metallic luster .
Solubility................................................................................................................Soluble in water.
Dye Content (Spectrophoto metry; on dried substance)...............................Min. 75.0%
Absorption maximum (in 50% ethanol)............................................................583-587 nm
Absorption ratio (A ÊŽ Max -15 nm)/ (A ÊŽ Max +15 nm)..................................1.06-1.19
Absorptivity (A1% / 1cm at ÊŽ Max, Ethanol 50%) ..........................................1800-2450
Suitability for microscopy.....................................................................................To pass the test.
