图一是空白、图二是标准物质、图三是我们这边的水，图四是纯水机的数据。水样很正常，但是用到纯水的都有问题,我看纯水没有问题，是不是淋洗液的问题呢，现在浓度只有18%了。[img=,690,333]https://ng1.17img.cn/bbsfiles/images/2021/09/202109031611189804_5839_5335192_3.png[/img][img=,690,314]https://ng1.17img.cn/bbsfiles/images/2021/09/202109031611194725_1858_5335192_3.png[/img][img=,690,250]https://ng1.17img.cn/bbsfiles/images/2021/09/202109031611194794_2331_5335192_3.png[/img][img=,690,516]https://ng1.17img.cn/bbsfiles/images/2021/09/202109031612289933_9767_5335192_3.png[/img]