C-077N
3,3',4,4'-Tetrachlorobiphenyl, analytical standard mg 25
C-077S-TP
3,3',4,4'-Tetrachlorobiphenyl, analytical standard solution 100 ug/ml in Isooctane ml 1
C-077S
3,3',4,4'-Tetrachlorobiphenyl, analytical standard solution 35 ug/ml in Isooctane ml 1
683675
PCB 77, analytical standard solution 10 ug/ml in Isooctane ml 5