Water Shaofei three minutes before drinking, because Changhe not easy to thoroughly boil the water for cancer.
Ordinary water in the political arena into the water plant, to go through chlorination, the residual chlorine in water and organic matter interaction, will form halocarbons, chloroform and other toxic carcinogenic compounds. Research shows that halocarbons, and chloroform in boiling water temperature changes and duration are closely related. When the water temperature rose to 100 ℃, the content of halocarbons and chloroform were 110 micrograms and 99 micrograms, more than the national standard. If we continue to boiling, the last three minutes later, the content of halocarbons and chloroform to 9.2 micrograms and 8.3 micrograms, at this time to become safe drinking water.