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Official Methods of Analysis of

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Quality Assurance in the Analysis of Foods for Trace Constituents

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Protocol for the design, conduct and interpretation of collaborative studies

Wllliam Horwitz · Pure and Applied Chemistry · 1988 · 109 citations · Full text

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Nonaqueous reverse phase liquid chromatographic system for separation and quantitation of provitamins A.

F. W. Quackenbush, Robert L Smallidge · PubMed · 1986 · 23 citations

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