Parameter: • Cadmium • Chloride • Chrome • Iron • Fluoride • Sulfate • Zinc NANO-CONTROL 100+ addition: The examination for matrix influences, i.e. the statement, whether with the determination of a parameter an impairment is present by further ingredients, is recommended particularly if: • a new analysis series is begun with unknown quantities sample matrix • it admits is that in the sample ingredients arise such as protein connections, larger salt quantities of or the like