Acetal (1,1-Diethoxyethane), 1g

S-4393-1 B[a]P/HCB Calibration Standard 2 (solvent : n- Nonane) Product S-4393-1 S-4393-2 S-4393-3 S-4393-4 S-4393-5 1356,6 Hexachlorobenzene 0,01 µg/mL 0,05 0,1

2,3'-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL,

Genite, 250mg