Hanna Instruments HI83300 Instruction Manual page 128

• Press Read to start the reading. The instrument displays the results in mg/L of nickel (Ni).
Note: A temperature above 30 °C may cause turbidity. In this case add 2-3 drops of
HI93703-51
zeroing the meter and reading the sample.
INTERFERENCES
Interference may be caused by:
Co must not be present
2+
Fe must not be present
2+
Al above 32 mg/L
3+
Ca above 1000 mg/L (as CaCO
2+
Cd above 20 mg/L
2+
Cl¯ above 8000 mg/L
Cr above 20 mg/L
3+
Cr above 40 mg/L
6+
Cu above 15 mg/L
2+
F¯ above 20 mg/L
Fe above 10 mg/L
3+
K above 500 mg/L
+
Mg above 400 mg/L
2+
Mn above 25 mg/L
2+
Mo above 60 mg/L
6+
Na above 5000 mg/L
+
Pb above 20 mg/L
2+
Zn above 30 mg/L
2+
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Dispersing Agent to each cuvette and swirl until turbidity is removed before
)
3