22
METHOD PROCEDURE
• Press the
key and use the functional keys to select
Chemical Form
.
• Use the functional keys and press
Select
to change the displayed chemical formula
to
mg/L
of
silicon (Si)
.
INTERFERENCES
Interference may be caused by:
• Phosphate above 75 mg/L, causes an 11% reduction in reading
• Phosphate above 60 mg/L, causes a 2% reduction in reading
• Sulfide and high concentration of iron
• Eliminate color and turbidity interferences by zeroing the meter with the original
water sample
