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.
The impact of cadmium and copper on DPPH radical scavenging activity of G. procumbens. Bars represents standard error of differences between the means. N = 15. Cd 2 = cadmium 2 mg/L; Cd 4 = cadmium 4 mg/L; Cu 70 = copper 70 mg/L; Cu 140 = copper 140 mg/L; Cd 2 + Cu 70 = cadmium 2 mg/L + copper 70 mg/L; Cd 2 + Cu 140 = cadmium 2 mg/L + copper 140 mg/L; Cd 4 + Cu 70 = cadmium 4 mg/L + copper 70 mg/L; Cd 4 + Cu 140 = cadmium 4 mg/L + copper 140 mg/L.
