磷酸三钙/7758-87-4

白色晶体或无定形粉末。 微溶于水（溶解度0.0025g/100ml水），易溶于稀盐酸和硝酸，不溶于乙醇和丙酮。 熔点 1670°C 密度 3.14 折射率 1.63
质量标准
  

Q/(HG)SJ532-92
项目ltem                                                    分析纯　　　化学纯
　　　　　　　　　　　　　　　　　 (AR)            (CP)
盐酸不溶物Insoluble in hy-
drochloride acid,%                                    ≤ 0.01            0.02
水分(H₂O)Water,%                                   ≤ 1.5             2.0
二钙盐Dibasic,%                                       ≤ 2.0             2.0
氧化钙Calcium oxide,%                            ≤ 2.5             2.5
氯化物(Cl)Chloride,%                              ≤ 0.003           0.005
硫酸盐(SO₄)Sulfate,%                              ≤ 0.03            0.05
铁(Fe)Iron,%                                               ≤ 0.005           0.01
砷(As)Arsenic,%                                         ≤ 0.003           0.005
重金属(以Pb计)Heavy metals,%            ≤ 0.0003          0.0005



高结晶β-磷酸三钙（1100℃高温烧结）:

β-磷酸三钙β-phase basis                  ≥98% (x-射线衍射分析) 
总硫total sulfur (as SO4) (ICP)          ≤250 ppm 
重金属heavy metals (as lead)             ≤50 ppm 
氯chloride (Cl-):                        ≤100 ppm 
砷As:                                    ≤0.5 ppm 
钡Ba:                                    ≤10 ppm 
镉Cd:                                    ≤1 ppm 
钴Co:                                    ≤1 ppm 
铬Cr:                                    ≤5 ppm
铜Cu:                                    ≤1 ppm 
汞Hg:                                    ≤0.5 ppm 
镍Ni:                                    ≤1 ppm 
铅Pb:                                    ≤5 ppm 
Zn:                                      ≤10 ppm 
羟基磷灰石、a-TCP和磷酸盐
Hydroxylapatite, a-TCP and Pyrophosphate <2.0%