C-138N
2,2',3,4,4',5'-Hexachlorobiphenyl, analytical standard mg 5
C-138S-TP
2,2',3,4,4',5'-Hexachlorobiphenyl, analytical standard solution 100 ug/ml in Isooctane ml 1
C-138S
2,2',3,4,4',5'-Hexachlorobiphenyl, analytical standard solution 35 ug/ml in Isooctane ml 1
682123
PCB 138, analytical standard solution 10 ug/ml in Isooctane ml 10