【摘要】 介绍一种由吸样头和套接在吸样头后端的检测管构成的便携式样品快速联检装置。样品检测时,取下吸样头吸嘴的橡胶护帽,将吸嘴浸渍于待检样品,各试纸条通过一次吸样、同背景检测,3～5分钟即可用肉眼于检测管的透明区一次性并行联检样品多组分。该装置体积小,成本低,操作简单、安全、快速,且能有效避免检测交叉干扰。检测后的废弃物仍封闭在装置的检测管内,更利于环保处理废弃物。更多还原

【Abstract】 A portable device for multi-component detection of samples was designed.It comprised a sampling head and a detection tube connected at the end of the sampling head.The sampling head for drawing sample had a slim tube type suction nozzle,which was capped with a rubber protection cap.The cavity of the sampling head was front-to-back filled with sample filter material and sample water absorbent material.The detection tube for multi-component detection comprised three parts: detection tube shell,strip attached column and strips attached to the shallow grooves on the surface of the strip attached column.During the sample testing,one removed the rubber protection cap of sampling head suction nozzle and dipped the suction nozzle into the sample.Each strip underwent once sampling and was detected at the same background.In 3-5 minutes we could concurrently test several indexes of the sample in the transparent area of the detection tube with naked eye.This device had many advantages,such as small size,low cost,simple,safe and fast operation,and it could effectively prevent detection of cross-interference.Post-test waste was still enclosed in the detection tube,which helped to dispose waste for environmental protection.更多还原