三钛酸钠 三钛酸钠是为数不多的钠盐沉淀之一，化学式Na2Ti3O7。但是需要注意，钛酸钠是使用过量氢氧化钠与二氧化钛(或无定形钛酸)反应得到的，不能用于检验钠离子。
用途:三钛酸钠可以用于催化、吸附和湿敏传感器 等领域。 三钛酸钠制备方法:将0.2mol/L的钛酸丁酯乙醇溶液20 mL与10mol/L氢氧化钠(NaOH)水溶液20 mL混合，190摄氏度下水热反应12小时，沉淀水洗即得 注:其他的钠盐沉淀有: Na[Sb(OH)6)]六羟基合锑(Ⅴ)酸钠. NaBiO3铋酸钠，浅黄色或褐色沉淀。 NaZn(UO2)3·(CH3COO)9·xH2O醋酸铀酰锌钠，黄色沉淀 [1]
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