Hanna-instruments HI 83207-01 Manuale Utente Scaricare il pdf (Pagina 45)

45

INTERFERENCES

Interference may be caused by:

Co

2+

must not be present

Fe

2+

must not be present

Al

3+

above 32 mg/L

Ca

2+

above 1000 mg/L (as CaCO

3

)

Cd

2+

above 20 mg/L

Cl¯ above 8000 mg/L

Cr

3+

above 20 mg/L

Cr

6+

above 40 mg/L

Cu

2+

above 15 mg/L

F¯ above 20 mg/L

Fe

3+

above 10 mg/L

K

+

above 500 mg/L

Mg

2+

above 400 mg/L

Mn

2+

above 25 mg/L

Mo

6+

above 60 mg/L

Na

+

above 5000 mg/L

Pb

2+

above 20 mg/L

Zn

2+

above 30 mg/L

Nickel LR

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