Ho sebelisa metsi a nooang a phehiloeng a hloekileng, a hloekileng, a ke keng a bakoa ke kankere kapa chefo uena kapa lelapa la hau. Hafeela metsi a hau a tsoa mohloling o hlahlojoang khafetsa, o ka o pheha ka makhetlo a mangata kamoo u batlang kateng.
Khopolo ea tšōmo ena ke hore metsi a belang a lebisa lintho tse ling tse tiileng tse metsing. Mohlomong u bone lintho tse tšoeu tse hloekileng tse khomaretsoeng mahlakoreng a pitsa ea hau kapa teakettle ha u se u phehile metsi (ke calcium feela, e se nang kotsi).
Hafeela ho se letho le lebe ka metsing a hau ho tsepamisa mohopolo, ha ho na bophelo bo botle.
Ebe ho thoe'ng haeba ho na le ho hong ho phoso ho itšetlehile ka metsi a hao?
Haeba metsi a hau a na le arsenic, tataiso kapa nitrate, ebe e belisoa, e tla eketsa mohopolo oa lintho tseo. Ke nako efe eo e bang kotsi? Ho thata ho bua, empa ke kahoo metsi a lokelang ho hlahlojoa kamehla.
Litekanyetso tsa li-nitrate le arsenic li laoloa, 'me thepa ea metsi e lokela ho shebeloa metseng le metseng, kahoo haeba metsi a hau a thepa a tsoa motseng oa metsi, o sireletsehile.
Lintho tse chefo li ka kena ka metsing a hao ka litsela tse sa tšoaneng. Metsi a ka tlas'a lefatše a ka ba le nitrate, e leng lik'hemik'hale tse atisang ho fumanoa ka manyolo, le arsenic e ka 'nang ea hlaha ka tlhaho kapa polasing kapa litšila tsa indasteri. Haeba u lula sebakeng sa mahaeng 'me u e-na le seliba, metsi a lokela ho hlahlojoa.
Moeta-pele ha a tsoe mohloling oa metsi ka boeena. Tšilafalo e etsahala lapeng.
Moeta-pele o ka silafatsa metsi ka lipompong tsa khale tse tšoaretsoeng hammoho le solder kapa li bolokiloe ka litanka tse nang le moetapele. Ho ipapisa le ho etella pele ho ka baka mathata a maikutlo le a boitšoaro. Moeta-pele o ke ke oa hlola o sebelisoa bakeng sa lifofane, empa e ka 'na ea e-ba teng mehaho le matlo a hahiloeng pele 1986.
Lisebelisoa:
Litsi tsa Tlhokomelo le Thibelo ea Maloetse. "Arsenic le Metsi a Noang." E fihliloe ka la 23 January, 2016. http://www.cdc.gov/ncidod/dpd/healthywater/factsheets/arsenic.htm. "
Litsi tsa Tlhokomelo le Thibelo ea Maloetse. "Metsi a Nitrate le a Noang a Tsoang Libukeng Tse Ikhethang." E fihliloe ka la 23 January, 2016. http://www.cdc.gov/ncidod/dpd/healthywater/factsheets/nitrate.htm.
Libaka tsa Tlhokomelo le Thibelo ea Maloetse, Mokhatlo oa Likokoana-hloko le Likokoana-hloko. "Sesebelisoa sa lihlahisoa tsa bareki ka: Nitrates / Nitrites." E fihliloe ka la 23 January, 2016. http://www.atsdr.cdc.gov/substances/toxsubstance.asp?toxid=258.
Motse oa New York, NYC Environmental Protection. "Tsamaisa Lipoleng tsa Malapa - Lipotso Tse Atisang ho Botsoa." E fihliloe ka la 23 January, 2016. http://www.nyc.gov/html/dep/html/drinking_water/lead_faq.shtml.
Mokhatlo oa Lefatše oa Bophelo. "Arsenic in Water Drinking" E fihlile ka la 12 Mphalane 2009. http://www.who.int/water_sanitation_health/dwq/arsenic/en/. "
Yang CY, Cheng MF, Tsai SS, Hsieh YL. "Calcium, magnesium, le nitrate ka metsi a nooang le ho bolaoa ke lefu la kankere." Jpn J Kankere Res. 1998 Feb; 89 (2): 124-30. E fihliloe ka la 23 January, 2016. http://www.ncbi.nlm.nih.gov/pubmed/9548438.