We supply various raw materials in vitamins, minerals, extracts and oils . ... matter% ≤ 0.20Free alkali content of qualifiedHeavy Metals ≤ 20ppmBarium content% ≤ 0.03Magnesium and alkali metals% ≤ 1.0Arsenic ≤ 3ppmLoss on drying% ... production of cement, ceramics, lime, calcium, toothpaste, dyes, pigments, mineral water, artificial stone, putty, neutralizing agent, catalyst, fillers, pharmaceuticals ...