Lovibond Maxi Direct - Page 179

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MaxiDirect_2c 03/2010
1.1 Methods
Notes:
1. The tablets must be added in the correct sequence.
2. Phosphate ions do not interfere under the given reaction conditions.
3. If Phosphate is known to be absent, the addition of the SILICA PR tablet may be
omitted.
4. Conversion:
mg/l Si = mg/l SiO
2
x 0.47
5.
SiO
2
Si