Limestone for producing calcium carbonate. Requirements of calcium carbonate content greater than 98%, above, what quality limestone?
You should be the content of calcium in calcium oxide, calcium oxide content of 55% is equivalent to the calcium carbonate content of 98.2%, plus you can go out a part of impurities in the process of burning, so you can fully meet the requirements.
Limestone with no calcium content above 55%! Pure calcium carbonate in calcium content of only 40%; not to mention limestone?
