Figure 3.
Effect of parameters for in situ pH adjustment of 0.10 M PB from pH 7.0 to pH 6.0 and pH 8.0. (a) Effect of sample/reagent volume and (b) volume of H3PO4 and NaOH solutions on the color change of pH-indicator strip
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.