氢氧化钡(八水)|12230-71-6|八水合氢氧化钡,|艾科试剂

ACS级
项目名称Item                                                               ACS Grade
含量Assay                                                                        ≥98%
碳酸盐(以BaCO₃计)Carbonate                                    ≤2.0%
稀盐酸不溶物Insoluble in dilute hydrochloric acid   ≤0.01%
氯化物(Cl)Chloride(Cl)                                                   ≤0.001%
硫化物(以S计)Sulfide(S)                                                Passes test
钙(Ca)Calcium(Ca)                                                        ≤0.05%
钾(K)Potassium(K)                                                        ≤0.01%
钠(Na)Sodium(Na)                                                         ≤0.01%
锶(Sr)Strontium(Sr)                                                         ≤0.8%
重金属(以Pb计)Heavy metals(as Pb)                          ≤5ppm
铁(Fe)Iron(Fe)                                                                  ≤0.001%

项目ltem                                                                  分析纯　　化学纯
        　(AR)            (CP)
含量[Ba(OH)2•8H2O],%                                       ≥98.0          97.0
碳酸钡(BaCO3)Barium carbonate,%                ≤1.0           2.0
澄清度试验Clarity                                                    合格　　　　　　合格
盐酸不溶物lnsoluble in hydrochl-oric acid,%   ≤0.005         0.05
氯化物(CI)Chloride,%                                         ≤0.003         0.02
硫化物(S)Sulfile,%                                               ≤0.0002        0.001
钙(Ca)Calcium,%                                               ≤0.02          0.05
铁(Fe)Iron,%                                                           ≤0.001         0.005
锶(Sr)Strontiun,%                                                 ≤0.08          0.15
铅(Pb)Lead,%                                                         ≤0.001         0.002
硫酸不沉淀物Substances not prici-
pitatd by sulfuric acid,%                                      ≤0.02          0.05