Fig. 2.
Correction of the OD concentration curves of methods A, C, D, and E by mathematical functions (see Table 1) to reduce the difference to method B (provisional standard method)
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.