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    • 3. 发明申请
    • OXOANION CONCENTRATION DETERMINATION USING ALUMINUM REAGENTS
    • 使用铝试剂的氧化浓度测定
    • WO2016036389A1
    • 2016-03-10
    • PCT/US2014/054390
    • 2014-09-05
    • ECOLAB USA INC.
    • ERGANG, Nicholas S.DAVIS, Ronald V.
    • G01N21/77G01N31/01
    • G01N21/82G01N31/22G01N33/182G01N2021/7786
    • To determine the concentration of an oxoanion in an aqueous solution, an aluminum reagent is added to the aqueous solution to form an optical analysis solution. Addition of the aluminum reagent may or may not form an alumino-oxoanion hydroxide hydrate precipitate. Light is directed into the optical analysis solution to determine an optical response of the optical analysis solution. Thereafter, the concentration of the oxoanion in the aqueous solution is determined based on the optical response of the optical analysis solution. For example, the concentration of the oxoanion may be calculated using a molar ratio relating oxoanion concentration to aluminum reagent concentration, when the aluminum reagent concentration corresponds to an inflection point of the optical response of the optical analysis solution.
    • 为了测定水溶液中氧阴离子的浓度,将铝试剂加入到水溶液中以形成光学分析溶液。 加入铝试剂可能形成或不形成氧化铝 - 氧阴离子氢氧化物水合物沉淀物。 光被引导到光学分析解决方案中以确定光学分析溶液的光学响应。 此后,基于光学分析溶液的光学响应确定水溶液中氧阴离子的浓度。 例如,当铝试剂浓度对应于光学分析溶液的光学响应的​​拐点时,可以使用与氧化物阴离子浓度与铝试剂浓度相关的摩尔比计算氧代阴离子的浓度。