Total Kjeldahl Nitrogen as N

Terephthalic acid, bis(2-ethylhexyl) ester, 250mg

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

2-Acetyl-6-methoxynaphthalene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3900-45-6