Active ingredient Regression equation Correlation coefficient (R) Linear range (mg /ml)
60% to 130% of labeled amount
Amprolium HCl y = 269332x + 62202 0.9998 (12-26)
Sulfaquinoxaline sodium y = 597297x - 11291 0.9997 (12-26)
Vitamin K3 y = 555682x - 644.34 0.9983 (0.12-0.26)
Table 1: Linear ranges of the three active ingredients: amprolium HCl, sulfaquinoxaline sodium and vitamin K3 (menadione sodium bisulfite).