From the experimental results standardization of sulphuric acid weight sodium carbonate (g) is used 0.1509 0.1598 use and กรดซัลฟิวริกใน to titanium dioxide and sulfuric acid, sodium carbonate and 16.3 16.5 using titanium dioxide. Blank is 0.The results showed that after the course 1 titanium finish. Can determine the concentration of sulfuric acid, and has 0.176 0.186
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