With the gradual increase in the amount of ammonium fluoroborate, the sodium carbonate produced by EDTA carbonization is gradually converted into sodium metaborate, and finally all converted into sodium fluoride.
With the gradual increase of ammonium fluoroborate, the sodium carbonate produced by EDTA carbide is gradually converted to sodium borate, and eventually all of it is converted to sodium fluoride.
With the gradual increase of ammonium fluoborate content, sodium carbonate produced by EDTA carbonization is gradually converted into sodium metaborate, and finally all of them are converted into sodium fluoride.<br>