513-CS0.25 (ng/ml)
< b>NATIVE TCDD & TCDF
2,3,7,8-Tetrachlorodibenzo-p-dioxin (0.25)
E45 2,3,7,8-Tetrachlorodibenzofuran (0.25)
< b>LABELLED TCDD & TCDF
2,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin 100
2,3,7,8-Tetrachloro[13C12]dibenzofuran 100
< b>INTERNAL STANDARDS
1,2,3,4-Tetrachloro[13C12]dibenzo-p-dioxin 100
1,2,3,4-Tetrachloro[13C12]dibenzofuran 100
< b>CLEANUP STANDARDS
2,3,7,8-[37Cl4]-Tetrachlorodibenzo-p-dioxin 0.25
1,3,6,8-Tetrachloro[13C12]dibenzo-p-dioxin 100
1,3,6,8-Tetrachloro[13C12]dibenzofuran 100