| 摘要 |
PROBLEM TO BE SOLVED: To prevent the pollusion of a colorimetric table and the discoloration of the colorimetric part in the table. SOLUTION: In a preservation container on which a colorimetric table preserving a measuring tool to check a specified component in a sample liquid is stuck, the whole or a part of the preserving container is packaged by use of a shrink- packaging material. And the inside or the surface of the shrink packaging material is immersed with an ultraviolet ray-absorbing agent in order to avoid the influence of the ultraviolet ray. In this way, the pollution of colorimetric table and the discoloration of colorimetric part can be prevented. |
