4,4'-DDT, 100mg

Retention Time Marker Standard

ISO 15680 Stock Calibration Standard Solution 4 22 Analytes to be used with Internal standard S1, each 2000µg /mL in methanol; unit: 1x5mL 2155.9 Isopropylbenzene [98-82-8] 2157.6Monobromobenzene [106-86-1] 3957.2 1,1,2,2-Tetrabromoethane [79-27-6]

2,2',4,4',5,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,