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羟基磷灰石[Ca_(10)(PO_4)_6(OH)_2]为活性材料的钙离于选择电极,容易制作,重现性和稳定性好,适宜pH范围较宽,具有较好选择性,线性范围为1.1×1O~(-1)～1×10~(-5)mol/L,用于钙离子测定结果令人满意。
Hydroxyapatite [Ca_ (10) (PO_4) _6 (OH) _2] is an active material which is easy to produce, reproducible and stable. It is suitable for wide range of pH and has good selectivity , Linear range of 1.1 × 1O ~ (-1) ~ 1 × 10 ~ (-5) mol / L, the results for the determination of calcium is satisfactory.