Cov ntsuas zoo ntawm ferrosulfur feem ntau suav nrog cov hauv qab no:
1. Cov ntsiab lus hlau: Feem ntau, cov ntsiab lus hlau yuav tsum tsis pub tsawg tshaj 60%.
2. Cov ntsiab lus Sulfur: Tsawg- sulfur ferrosulfur muaj cov ntsiab lus sulfur tsawg dua 0.05%, nruab nrab - sulfur ferrosulfur muaj cov ntsiab lus sulfur ntawm 0.05% thiab 0.10%, thiab siab - sulfur ferrosulfur muaj cov ntsiab lus sulfur ntau dua 0%.
3. Wet Oxidation Index: Rau qis-sulfur thiab nruab nrab-sulfur ferrosulfur, qhov ntub oxidation poob yuav tsum tsis pub tshaj 15%.
4. Particle Size: Qhov luaj li cas ntawm ferrosulfur yuav tsum ua tau raws li qhov yuav tsum tau siv, feem ntau ntawm 40 thiab 300 mesh.