PPT Slide

Scarlet Cruorine

Purple Cruorine

Brown Hematin

Red Hematin

O2

+ O2

+H2CO3

H2O

Irreversible

Reducing

Agents

Oxidized

Products

O2

Reducing Agents

Acid, Heat,

Organic

Solvents

Albuminous Precipitate

Acid, Heat,

Organic

Solvents

Reversible

Irreversible Decomposition

Conceptual model for the reactions of “cruorine” described by Stokes. In the original drawing, the shaded squares were colored to correspond to the spectral properties of the porphyrin involved.

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