pH 12.0 Standard @ 25°C

ISO 15680 Stock Calibration Standard Solution 2 13 Analytes to be used with Internal standard S2, each 2000µg/mL in methanol; unit: 1x5mL 1352.1 Tetrachloromethane [56-23-5] 3952.3 1,1-Dichloropropane [563-58-6] 1300.6 Benzene [71-43-2] 1355.2 1,2-D

2,2',3,4,4',5,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

1-Nitronaphthalene-d7, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 80789-77-1