氢氧化钙  
 检验项目                标准值        检验结果  
氢氧化钙（以干基计）含量% ≥95.0         98.1  
水份%                    ≤1.0         0.34  
盐酸不溶物含量%          ≤0.03         0.02  
铁含量%                 ≤0.030        0.028  
重金属（以Pb计）含量%    ≤0.002      <0.002  
铅含量                  ≤0.0003     <0.0001  
镁和碱金属含量%          ≤0.50       <0.50  
砷含量%                 ≤0.0002     <0.0002  
硫化物（以So4计）含量%   ≤0.50       <0.50  
细度（过325目）         ≤0.5         0.2  
白度                    ≥92.0        95