1382 ppm TDS solution (230mL)

4-Nitroaniline,100 µg/mL,acetonitrile,1mL,

N,N-Dimethylvaleramide, 250mg

3,4,5-Trichlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 56961-20-7