Testing

 Color   migration

Metals and metalloids (antimony, arsenic,   barium, cadmium, chromium, lead, mercury, selenium)"

Unsulfonated primary aromatic amines   "

PCB content

Cadmium content

Carbon black-only for carbon black   pigments

  Colorant (in plastic material) AP(89)1

0.1mol/L soluble matter in hydrochloric   acid (antimony, barium, arsenic, cadmium, chromium, lead, mercury, selenium)

PCBs

Aromatic primary amine (calculated as   aniline)

GB 9685-2016 Appendix A Colorant Purity   Requirements