pH 8.0 Standard @ 25°C

n-Tridecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 123-02-4

Aroclor 1254 in Transformer Oil

N-Desacetyl amido amidotrizoic acid, 10mg