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.
Analysis of the uncertainty in the molecular mass from empirical methods. (A) A scatterplot showing the percent error between total M r of the biological assembly and the M r calculated using the Vp/1.6 rule [Eq. (1)]. (B) A scatterplot of percent error between total M r of the biological assembly and the M r calculated using the power law rule [Eq. (4)]. The dashed lines are drawn at 20 and 50% error.
