There are four
historical periods in the life of the purple murexide dye:
| When it was a chemical curiosity, made from boa constrictor excrement
1776-1820 |
other pages can be found here ...
|
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| When the chemistry began
to be understood
1820-1840 |
chemical equations for the synthesis of murexide from uric acid and a molecular model
|
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| When industrial production
began, based on guano
1840-1865 |
a recipe for the synthesis in French |
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| The decline and fall of murexide after 1865
|
an English translation of the recipe |
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