A dry analytical element free from unevenness of concentration of a reagent supplied by coating on a spreading layer made of a polyester fabric or unevenness of coloring density is provided. Said dry analytical element consists of at least one water-permeable layer and a spreading layer made of polyester having a function of spreading liquid uniformly laminated on a water-impermeable transparent support in this order, characterized in that the surface of fiber composing the polyester spreading layer is coated with an organic solvent.
本发明提供了一种干式分析元件,通过在由聚酯织物制成的涂布层上涂布而避免了试剂浓度的不均匀性或着色密度的不均匀性。所述干式分析元件由至少一个透
水层和一个由聚酯纤维制成的具有均匀铺展液体功能的铺展层组成,铺展层依次层叠在一个不透
水的透明支架上,其特征在于构成聚酯纤维铺展层的纤维表面涂有有机溶剂。