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    • 3. 发明申请
    • METHOD FOR DETERMINING DISSOLVED-HYDROGEN CONCENTRATION
    • 用于确定溶解氢浓度的方法
    • US20160003785A1
    • 2016-01-07
    • US14760448
    • 2014-01-14
    • Aqua Bank CO., LTD.
    • Takashi TAKEHARA
    • G01N30/66G01N30/88G01N33/18G01N30/14G01N30/16
    • The present invention is configured of: a gas control step in which a carrier gas that differs in thermal conductivity from hydrogen by a given value is chosen, and the flow rate thereof is controlled; a sample introduction step in which an aqueous solution sample is prepared and introduced into the carrier gas serving as a mobile phase and which is characterized in that the preparation of an aqueous solution sample comprises injecting an aqueous solution sample into a vessel, the inside of which is kept vacuum, to thereby conduct gas-liquid separation and collecting the gas-phase portion as a sample to be introduced; a separation step in which the hydrogen is separated from the aqueous solution sample on the basis of an adsorption/distribution equilibrium between the aqueous solution sample introduced into the mobile phase and the fixed phase of the column; a detection step; and a data processing step.
    • 本发明构成为:气体控制步骤,其中选择热导率与氢气不同的载气一定的值,并控制其流量; 其中制备水溶液样品并引入作为流动相的载气中的样品引入步骤,其特征在于,水溶液样品的制备包括将水溶液样品注入容器中,其内部 保持真空,从而进行气液分离并收集气相部分作为待引入的样品; 基于引入流动相的水溶液样品和柱的固定相之间的吸附/分配平衡,从水溶液样品中分离氢的分离步骤; 检测步骤; 和数据处理步骤。