Total Kjeldahl Nitrogen as (N)

2,2',3,3',4,4',6-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

n-Heptacosane, ?13C: -25.48, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 593-49-7

2,2',6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,