Silica (SiO2) HR 
Spectrofhotometer DR 890 Analytical
Procedure
-         
Sample
: 10 mL (Example : Sample from Cooling Water, Boiler Water or Softener)
-         
Blank
: 10 mL Sample
-         
Programme
89 (High Range)
-         
Sample
: 
Sih 3 (1 Fillow) à Sih 1 (1 Fillow) à Timer (10 minutes) à Sih 2 (1 Fillow) à Timer (2 minutes)
-         
Blank
à Zero
-         
Sample
à Read
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