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Appearance
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Dark green powder
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Absorption maxima in methanol (λmax1)
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640 - 645 nm
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Absorption maxima in methanol (λmax2)
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522 - 525 nm
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Absorptivity (A 1%/1cm; at λmax1; in methanol; on dried substances)
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Min 900
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Absorptivity (A 1%/1cm; at λmax2; in methanol; on dried substances)
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Min 650
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Loss on drying (at 110°C)
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Max 8%
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Suitability (for microscopy)
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Passes test
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