pH 12.0 Standard @ 25°C

5,5'-Difluoro-3,3',4,4'-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2-Methylpentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 107-83-5

Daily Quality Control Standard (with 3 Deuterated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane