- Ceimic Chemistry
#5908
- zinc s
- en
(d) níos mó ná 50 milleagram an cileagram copair nó 25 mhilleagram an cileagram since, nó 50 milleagram an cileagram d aon chomhcheangal de chopar agus de shinc.
(d) more than 50 milligrams per kilogram of copper, or 25 milligrams per kilogram of zinc, or 50 milligrams per kilogram of any combination of copper and zinc.