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Appearance
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Dark blue to dark purple powder
|
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Loss on drying
|
Max 8%
|
|
Identity (UV/VIS spectrum)
|
Passes test
|
|
Absorption maxima (buffer pH 7.0)
|
577 - 584 nm
|
|
Specific absorptivity A 1%/1cm (λmax; 0.01%; buffer pH 7.0 on dried substance)
|
450 - 570
|
|
TLC test
|
Passes test
|
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Suitability (for electrophoresis)
|
Passes test
|