Chlorine gas is a highly toxic gas with a light yellow-green color and a pungent odor at room temperature. Then why add it to drinking water? Modern scientific research has found that chlorine can lead to a high probability of cancer. Because chlorine gas is relatively economical and cheap compared to other disinfectants, it is low in cost, easy to obtain, and easy to manage. Many modern large-scale tap water plants still use chlorine for disinfection. Then there will be residual chlorine in the water. Below are ten consecutive questions about residual chlorine: 1. Why is chlorine added to tap water? Answer: Tap water should be a hygienic and safe drinking water, but due to environmental pollution, lead to Harmful substances such as bacteria in the water grow in large quantities. In order to inhibit and kill the bacteria in the water, chlorine is added in the process of water treatment. 2. What is the effect of water containing residual chlorine on cleaning vegetables, fruits and grains? Answer: Chlorine will destroy nutrients such as vitamins and minerals in vegetables, fruits and grains, and seriously affect the absorption of nutrients by the human body. 3. How does residual chlorine enter the human body? Answer: Due to the chlorine in tap water, any daily life that has been in contact with water: such as skin, nostrils, mouth, lungs (water vapor), hair, meat, fruits, Vegetables and other oxidized surfaces are easily and quickly absorbed. 4. Why is residual chlorine easily absorbed through human skin? Answer: Because the surface of human skin is covered with pores and sweat glands, residual chlorine can easily enter through these tiny pores and be absorbed by human skin at the moment of contact with tap water. 5. What is the harm of taking a bath with water containing residual chlorine for a long time? Answer: Bathing with tap water containing residual chlorine, 40% of the total amount of chlorine in the bathroom is inhaled through the respiratory tract, and 30% is absorbed by the skin, which is usually entered through drinking Chlorine in the human body is 6 to 8 times higher than that of chlorine in the human body. Itching occurs in light cases, and the cancer-causing rate increases by 30% in middle age. 6. Why do you say that the tap water is more harmful after being boiled? Corrosion produces carcinogens such as chloroform, which will increase by 3 to 4 times compared to tap water. If the residual chlorine cannot be removed, the coffee, tea or soup we drink every day, after heating and boiling; our body That is, the number of carcinogens increased by 3 to 4 times. 7. What diseases can be caused by drinking water containing residual chlorine for a long time? Answer: heart disease, coronary atherosclerosis, anemia, bladder cancer, liver cancer, rectal cancer, high blood pressure and allergies and other symptoms. 8. What harm does residual chlorine do to children? Answer: When bathing children with tap water, chlorine will cause dryness, breakage and bifurcation of the hair, bleaching of the skin, peeling of the skin layer, and extremely itchy psoriasis allergies ;When chlorine interacts with organic matter, such as sweat, it is easy to cause the formation of nitrogen trichloride in the surrounding air, which is very easy to damage the eyes and throat; after chlorine is inhaled into the lungs through the respiratory tract, it will damage the respiratory cells, which will lead to asthma and lung cancer. emphysema. 9. What harm does residual chlorine do to pregnant women? Answer: Pregnant women drinking tap water containing chlorine for a long time will affect the growth of the fetal heart and lungs, which may lead to arrhythmia, heart failure, and lung dysfunction in newborns. 10. How to detect the amount of residual chlorine in water? Answer: The water quality safety comprehensive analysis detector produced by Shenfen Instrument can quickly detect COD
, color, turbidity, total solubility, nitrate, nitrite, formaldehyde, dissolved oxygen, cyanide, fluoride, ammonia nitrogen, total nitrogen , phosphate, total hardness, sulfide, total chlorine (chlorine dioxide, residual chlorine) and other harmful substances.
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