No abstract available
MeSH terms
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Acids / isolation & purification
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Alkalies / isolation & purification
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Chemistry Techniques, Analytical / methods*
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Chloroform / analysis
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Chromatography, Gas
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Ethers
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Fluorometry
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Humans
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Hydrogen-Ion Concentration
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Indicators and Reagents
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Morphine / urine
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Pharmaceutical Preparations / analysis*
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Pharmaceutical Preparations / urine
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Solubility
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Solvents
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Spectrophotometry, Ultraviolet
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Toxicology / methods*
Substances
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Acids
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Alkalies
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Ethers
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Indicators and Reagents
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Pharmaceutical Preparations
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Solvents
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Morphine
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Chloroform