Conductance @ 20°C [500 µmho/cm]

2,3,6,7-Tetrachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

Ethanol standard in water,0.5g/L,water, 1.5mL

1-Nitronaphthalene-d7, 1000µg/ml in Toluene, 1ml