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首页> 美国政府科技报告 >Detection Levels of Drinking Water Contaminants Using Field Portable Ultraviolet and Visible Light (UV/Vis) Spectrophotometry
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Detection Levels of Drinking Water Contaminants Using Field Portable Ultraviolet and Visible Light (UV/Vis) Spectrophotometry

机译：利用野外便携式紫外和可见光（紫外/可见光）分光光度法检测饮用水污染物

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The current EPA approved methods for the analysis of drinking water contaminants are expensive, require skilled lab technicians, and are not conducive to military field operations. The HACH DR/4000-U offers an easier, more portable, water detection system using a Ultraviolet/Visible Spectrophotometer. The DR/4000U was tested against 19 EPA inorganic drinking water contaminants at six concentrations. For all 19 contaminants, the DR/4000U was able to detect well below the EPA Maximum Contaminant Levels. The DR/4000U was reasonably accurate and precise. The highest four concentrations were within 25% of the known standards for all 19 contaminants. 97% of the replicate samples analyzed at the highest four concentrations had less then 25% RSD. The system is reasonably compact and rugged but the delicate glassware, many reagents and cleanliness indicate this system is well suited to a climate controlled operating location but is not well suited to field use.

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