Item标准Standard value项目Item标准Standard valueMg(OH)2含量(%)Purity≥97水分(%)Water≤0.3堆积密度(g/ml)Bulk Density≤0.2氧化钙(%)CaO≤0.30铁质量分数(%)Fe≤0.1吸油值(ml/100g)Oil obserption value≤100酸不溶物(%)SiO2≤0.10氯化物质量分数Cl- Content(%)≤0.10比表面积(m2/g)Specific surface area<6激光粒径(D50)umParticle size≤2SO42-(%)≤0.15筛余物Sieve residue≤0.02白度Whitness≥93灼烧失重质量分数Lgnition loss (%)≥28