2,3,7,8-Tetrachlorodibenzofuran,50 µg/mL,n-nonane,1mL,

4-Chlorobenzoic acid, 250mg

Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml

2-Methyl-1-pentanol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 105-30-6