Svedberg unit

views updated

Svedberg unit(S) The unit of measurement in which sedimentation coefficients are expressed. It is equal to 10−13 seconds and is usually given for the solvent water at 20°C. It is named after the Swedish physical chemist Theodor Svedberg (1884–1971) and is written with no space between the number and the symbol (e.g. 70S).

More From encyclopedia.com