[Purity testing of morphine and codeine salts].
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Codeine↗
Biomedical subjects
S PFEIFER
Publications and source records attributed to S PFEIFER.
[Contribution to the study of potassium sulfoguaiacolate].
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Expectorants↗
[Quantitative determination of small amounts of important opium alkaloids].
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Alkaloids↗
[Occurrence of narcotoline in opium].
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Noscapine↗
[Splitting of narcotoline in weak alkaline solutions. II].
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Noscapine↗
[Photometric determination of various drugs with 4-aminoantipyrine].
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Aminopyrine↗
[Splitting of narcotoline in weak alkaline solution. I].
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Analgesics, Opioid↗
[Dissociation constant of narcotiline].
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Analgesics, Opioid↗
[Polarographic morphine determination in poppy capsules].
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Capsules↗
[Determination of morphine in a single poppyhead or its parts].
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Humans↗
[Narcotoline; colorimetric determination and content in poppy pods].
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Alkaloids↗
[Determination of morphine in poppy pods].
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Humans↗
[Quantitative comprehension of paper chromatograms of alkaloids by means of the photographic method].
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Alkaloids↗