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3:38
Microsoft News
NileRed
Extracting Pure Caffeine From Tea Using the Classic DCM Method
Tea contains natural caffeine that can be separated and isolated through the classic DCM extraction method.
1 month ago
Chloroform Anesthesia History
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The Dangerous Chemistry Of Chloroform Explained
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Anesthesia in the Civil War - National Museum of Civil War Medicine
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How did doctors perform surgery before modern anesthesia?
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