pH 8.0 Standard @ 25°C

L-Glutamic-2,3,3,4,4-d5 acid,1000 µg/mL,0.1 mol/L hydrochloric acid,1mL,

Ethylbenzene

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