Reports

Molecular Weight Determinations

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Science  04 Aug 1961:
Vol. 134, Issue 3475, pp. 339
DOI: 10.1126/science.134.3475.339

Abstract

A Beams magnetically suspended equilibrium ultracentrifuge was used to determine the molecular weight of sucrose, ribonuclease, and insulin. Both long- and short-column ultracentifuge cells were used. The longer cells gave greater precision, but required a longer time for equilibrium to occur.

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