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Appearance
|
Blue colored solution
|
|
Absorption max.(MeOH)λ1
|
640– 645 nm
|
|
Absorption max.(MeOH)λ2
|
522– 525 nm
|
|
Absorbance A1 λ1 (diluted 1: 250 in methanol
|
0.800 – 1.000
|
|
Absorbance A2 λ2 (diluted 1: 250 in methanol)
|
0.420 – 0.700
|
|
Suitability (for microscopy)
|
Passes test
|