Hanna-instruments HI 83211 Manual do Utilizador descarregar pdf (Página 39)

Iron LR

INTERFERENCES

Interference may be caused by:

Cadmium above 4.0 mg/L

Chromium

above 0.25 mg/L

Chromium

above 1.2 mg/L

Cobalt above 0.05 mg/L

Copper above 0.6 mg/L

Cyanide above 2.8 mg/L

Manganese above 50.0 mg/L

Mercury above 0.4 mg/L

Molybdenum above 4.0 mg/L

Nickel above 1.0 mg/L

Nitrite ion above 0.8 mg/L

Sample pH should be between 3 and 4 to avoid developed color to fade or turbidity formation.

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Hanna-instruments HI 83211 Manual do Utilizador Página 39