Abstract:

Objective: To learn about the hygienic condition of a part of drinking water in a city. Methods: Testing 12 samples
according to GB/T5750-2006 Drinking water standard test method. Results: The percents of pass about TDS and fluoride testing in samples were all 100%. The highest pH was 6.5 and the lowest was 5.8. Moreover, some values of pH in testing were a little lower than normal value. Lead, cadmium, copper, zinc, manganese were not checked out in samples, but Iron was checked out in three of samples. In addition, the amount of Iron in sample No. 10 was over standard. Conclusion: According to the results from some testing items about drinking water, it is known that only sample No. 10 is over standard in amount of Iron, but the rest samples all obey "Standards for drinking water quality".

Key words: drinking water, water quality, analysis and detection