Dye Content (Titanometry on dried subs.)....................................................................................................About 90.0%
Absorption maximum (in 50% solution in ethanol)......................................................................................551 - 553 nm
Absorptivty (A1%/1 cm at λ 551 nm in 50% ethanol on dried sub.)..........................................................1900 - 2200
Suitability for microscopy...................................................................................................................................To pass the test.
