Paired t-test [ Zinc Concentration]

[1] 2.015048
[1] 0.007001157

	Paired t-test

data:  x and y
t = 3.6998, df = 5, p-value = 0.014
alternative hypothesis: true difference in means is not equal to 0
95 percent confidence interval:
 0.02797823 0.15535510
sample estimates:
mean of the differences 
             0.09166667