PROBLEM TO BE SOLVED: To provide a method of thickening liquid capable of suppressing the deterioration of quality of liquid caused when thickening a first liquid by adding a second liquid to the first liquid.SOLUTION: The method of thickening liquid in which the second liquid for thickening the first liquid is added to the first liquid includes: a step of adding the second liquid to the first liquid which flows through a channel under laminar flow conditions, from an inner part of the first liquid and a step of mixing the first liquid and the second liquid while maintaining the laminar conditions.COPYRIGHT: (C)2011,JPO&INPIT【課題】第1液に第2液を添加して増粘させる際に生じる液の品質低下を抑制する。【解決手段】液体の増粘方法は、第1液に、それを増粘させる第2液を添加するものであり、流路を層流条件下で流通する第1液に、その内部から第2液を添加し、それらを層流条件を保持した状態で混合させる。【選択図】なし
