Appearance
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Dark brownish red solution
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Absorption maxima λmax;1
|
615-620 nm
|
Absorption maxima λ 2
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525 - 532 nm
|
Absorbance A1, λ 1diluted 1:500; 1 cm
|
0.090 - 0.120
|
Absorbance A2, λ 2 diluted 1:500; 1 cm
|
0.600 - 0.700
|
Suitability (for microscopy)
|
Passes test
|