Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Molecular weight distribution f(M) vs M for a commercial alginate. Loading concentration co ~ 0.2 mg/ml. κs = 0.052 and b = 0.33. Sample was centrifuged at 45 000 rpm at a temperature of 20.0 °C in 0.1 M pH 6.8 phosphate buffer. Mw = 140 000 g/mol. NB. The limit for reliable sedimentation coefficient values is >0.5S.
