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NSF e etsa eng 61 9 Bolela ka holimo ho phapo ea faucet copper?

1. Selelekela
Hajoale, Liikela tsa indasteri li tsamaea ka lisebelisoa tsa mantlha ho kenyeletsa le koporo, ts'epe e sa beng le mabali, polasetiki, etc. Boholo ba thekiso mebaraka e ntlafalitsoeng ea Europe le United States ke likopo tsa koporo, China, e le karolo e kholo ka ho fetisisa lefatšeng ea lipompo, Boholo ba lipopae tsa kantle ho naha ke li-tap tsa koporo. Lisebelisoa tse ka sehloohong tsa melumo ea koporo ke koporo le zinc, e tsejoang e le sehlopha sa koporo. Leeto le lenyenyane le kenngoa ka koporo nakong ea ts'ebetso ea mochini ho ntlafatsa ts'ebetso e sehiloeng ea koporo. Haeba ho se mohlape e eketsoang ho hang, Faucet e ke ke ea thatafalloa feela ho e khaola, Ts'ebetso e fosahetseng ea ho theha le mathata a mang, Leha e le sehlahisoa se felileng, E tla lebisa ho ho qhekella ka lebaka la likhanyetso tse mpe tsa corrosance
Etella pele ke tšepe e boima e kotsi molemong oa bophelo ba motho, Empa li-goopot tsa mantlha linaheng tse tsoetseng pele Europe le Amerika li entsoe ka koporo, 'Me koporo ha e so nkeloe thepa e' ngoe. Sena ke hobane pula ea lead e lekantsoe ke litekanyetso tsa sehlahisoa ho boleng bo itseng mme e nkoa e bolokehile. Ka mohlala, Lenaneo la botoro la leoatle la North America, NSF / ANSI61-2012, e hloka hore koro e etellang pele e sa fetele 5 μg e ka nkuoa e sireletsehile.
Ka hona, Ka lebaka la likotsi tsa bophelo bo botle tse bakoang ke pula e boima ea tšepe, Motheo oa Naha oa Khano (Nsf) e etsa lipatlisiso tsa boitlamo le tlhahlobong ea 'mele ea tšepe e boima ho lihlahisoa tse kopaneng le metsi a nooang, E lokiselitse Tekanyo ea Teko NSF / ANSI61, Mekhoa e fumanoeng ea Tlhahlobo ea Tlhahlobo ea Teko le Mekhoa ea Litlhoko tsa Bohalla, 'Me e se e le molao oa liteko tsa chefo bakeng sa ho nooa thepa ea metsi a marang-rang ho Amerika Leboea. Tekanyetso e amoheloa hohle linaheng tse ling le libaka, ho kenyelletsa China, Bakeng sa tlhahlobo ea metsamao e boima ea tšepe ho li-tap ka lits'oants'o ka litšupiso tse tobileng kapa tse sa tobang.

Matsatsing ana, Liindasteri tse fapaneng li hlahisa li-facets tse tšoarellang tse rekiloeng ke libapali tsa inthanete tsa inthaneteng, entsoe ka lisebelisoa tse kang koporo, ts'epe e sa beng le mabali, polasetiki. China ke karolo e kholo ka ho fetisisa ea thepa e fapaneng le e nang le lino tse kholo har'a casino ba bangata ba holofetseng le batho ba bang ba bangata bakeng sa thepa, Bala le litaba ka litaba Papali 1 ea miami Heat vs Denver Nuggets: Litlhahiso tse holimo tsa sebapali le litlhahiso tse tšoanang lipapatso. Lisebelisoa tse ka sehloohong tsa tlhahiso ea tlhahiso ea koporo eo batho ba bapalang li-casinos tsa inthaneteng ba khetha ke koporo, zinc, le koporo.

2.Nsf / ansi61-2012 standard
2.1 Kenyelletso ho Tekanyetso “Metsoako ea sistimi ea metsi – Liphello tsa Bophelo” [1] e ntlafalitsoe ke naha ea naha (Nsf), Kaha khatiso ea pele e fanoe ka 1988, Kamora mefuta e 'maloa ea ntjhafatso, mofuta oa hona joale ke oo 2012 mofuta oa morao-rao.nsf / ansi 61-2012 Lihlahisoa tse tloaelehileng tse kenyelletsang litsamaiso tsa Piping (Lipipipi le litlolo), Lisebelisoa tsa ts'ireletso, Ho netefatsa lisebelisoa, li-valves, lihlahisoa tsa pheletso (joalo ka likopo, etc.).
2.2 NSF / Asi& 61 Ts'ebetso ea tšepe e boima ea li-paint tsa metsi bakeng sa likopo tsa metsi
NSF / ANI 61-2012 Karolo ea liteko bakeng sa matsoele ke karolo 9, e nang le tšusumetso haholo ebile e le tšusumetso Amerika Leboea e le molao oa leboea e le molao oa ho hlahloba tšepe le lihlahisoa tsa mefokolo. Karolong 9, faucet, e le sehlahisoa sa pheletso, ke ka nako e sa feleng ea ho qetela 1 Litara ea metsi, I.E. Ke hona 1 Litara ea metsi a anngoeng ke pula ea litloaelo tse matla le lintho tse phelang.
Tlhahlobo e boima ea tšepe e etsoa ka ho nka likarolo tse tharo tse felletseng tsa lipopae le ho qala pele ka Labohlano thapama. Pele ho hlatsoa faucet ka metsi a pompo ebe o e tlatsa ka metsi. Ho tloha ka letsatsi 1 ho fihlela letsatsi 18, Ntle le Moqebelo le Sontaha, fetola tharollo e batang 2 lihora tse tsoang 9:00 ho 17:00, 5 makhetlo a letsatsi ka letsatsi. Li-Excets li ile tsa bokelloa ho 9:00 ka matsatsi 3, 4, 5, 10, 11, 12, 17, 18 le 19 Bakeng sa lead le 9:00 Ka letsatsi 19 Bakeng sa ba setseng 13 Mekhoa e boima.
2.3 NSF / Asi 61 Palo ea phetolelo ea Q bakeng sa li-tap
Ha e le pula ea litaba tsa lead ke ts'ebetso e matla, palo ea phaello e fapana ka nako e mpe ea ho ja. Bakeng sa ho hlahisa palo e tloaelehileng ea papiso ka nako e fanoeng, NSF e sebelisitsoe melao-motheo ea lipalo, ho bala ho baloa ka mokhoa o tloaelehileng ho sebelisa Readwarithmic ho kheloha le ho kheloha ho tloaelehileng, 'me qetellong e fumane boleng ba lipalo tsa lipalo.
(1) Ho tsepamisa tsela e tloaelehileng ho baloa ke foromo e latelang: Nf = n1 × n2 × n2 × cmv
(2) Ho equation, N1 =(Kabelo / Sal)Vl / VF(Static))N2vf(Static)/VF(Ho phalla)= 1sns; Sal ke sebaka sa ho qoelisoa ka har'a liteko nakong ea liteko; VL ke boholo ba metsi a mangata nakong ea tlhahlobo; VF(Static) e hlalosoa mona e le 1l. Cmv ke se etsahetseng sa metsi a batang (= Boholo ba metsi a batang a metsi / boima ba metsi a felletseng).
(3) Bala lenane la tlhaho la khatello ea maikutlo e tloaelehileng u sebelisa fortula yij = LNXIZ.
(4) Bala hore u be le oa ho kena-kenana ho e 'ngoe le e' ngoe ea 3 sampole ho latela foromo e latelang: Etsa = =(Yi3+Yi4+Yi5+Yi10+Yi11+Yi12+Yi17+Yi18+Yi19)/9
(5) Bala ho kheloha ho tloaelehileng hoa logarithmic ho latela foromo e latelang: (6) Bala boleng ba Q ho latela foromo e latelang: Moo K e leng boleng bo sa feleng ba paramente ea Statistar e itšetlehileng ka boholo ba sampole ea liteko, K = 2.6028 Ha ho na le 3 sampole ea liteko.

2.6 NSF / ANSI61 TEBUT TEBSO EA TEMOD SATUT KAPA FAUCET INTERETEK, Joaloka mokhatlo oa tlhahlobo ea mokete oa karolo oa boraro ho naha e ka tsamaisang tlhahlobo ea NSF / ANSI61, Re akaretsa phihlelo ea NSF / Anssi61 Teko ea nako e fetileng 8 Lilemo 'me u fihle liqeto tse latelang: (1) Etsa hore pula ea litaba e matla, Empa tloaelo e akaretsang e fokotseha butle butle. (2) Ka kakaretso, Ho hloleha ha tšepe ea tšepe haholo ho ameha haholo ho litebele tse boima tse matla: etella pele, koporo, arsenic, zinc, Cadmium, etc. Lipalo-palo tsa ea ho qetela 100 Mefuta ea Li-gaucets NSF / ANSI61 ea liteko tsa liteko, eo e leng eona 92, kapa 92%, fetisa tlhahlobo, Ho hloleha 8, Sekhahla sa 8%. Tsa 8 Mefuta e sa tsoa atleha, Boleng ba QUR PURIPIP bo sa atlehe ho ea akhaonteng 3, koporo, arsenic, zinc, Cadmium, Choroum Color e hlotsoe ho ikarabella bakeng sa 1 e mong le e mong.

3.Nsf / ansi61 ka phello ea indasteri ea faucet ka lebaka la liteko tsa faucet tsa North American North Asmea112.1 8%, Empa likhoebo tse ngata tsa tlhahiso li amehile ka tšebeliso e tobileng ea litaba tse mabapi le leano la koporo tse phahameng tse entsoeng ho fetisa tlhahlobo ea NSF / ANSI61, Kahoo, likhoebo tse ling li tla khetha ho sebelisa koporo e tlase ea lead kapa esita le li-facper tsa tokiso, Empa ts'ebetso e fetohile, Mathata a botekgeniki le litšenyehelo li phahame.
Likhoto tse ling li tla sebelisa “lead” Mokhoa oa ho tlosa lead ho tsoa holim'a metsi, Molao-motheo ona o qhibilihang oa ho bolaea ka koporo. Mocheso oa Caset ea Faucet ha oa ho feta 1,000 likhato tsa Celsius, le ntlha e qhibilihang ea lead 327.5 likhato tsa Celsius, E le hore e etelle pele ka bongata le bophahamo ba pula ea ka hare le ka ntle.
Litaba tse etella pele ka holimo li phahame haholo ho feta kahare. Lead lead pele le siea fektheri ke ho sebelisa molao-motheo oa ts'ebetso ea lik'hemik'hale, ka tharollo e phahameng ea tharollo e matla ea alkali ea ho phekola sampole, Hlatsoa lintho tse mafura a mafura, ebe kalafo e matla ea acid, Ebe leano la fagept ea koporo le tla phahamisoa kapele. Phuputso ea NSF / ANSI61, Boleng ba QOUPT e ne e le 8.5μg pele ho ho hlatsoa lead le 4,1μg kamora ho hlatsoa lead, Ka ho fokotseha ho hoholo ho boleng.
4. Kakaretso e kopantsoe le ketsahalo ea pejana ea etella pele ka mekoloto, mohopolo oa ho hlasimolla, haholo-holo liphapang tsa mekhoa ea liteko. Li-agency tse ling li lumellana le mokhoa o ntlafalitsoeng lefatšeng ka bophara, Ba bang ba na le mokhoa oa botsoalle oa indasteri, mme ba bang ba na le mokhoa o khothalelitsoeng oa naha oa naha, ka mekhoa e fapaneng le liphetho tse fapaneng tsa tlhaho. Sena se lebisa ho haelloang ke ho hloka toka le asymmetry ho media le tlhaiso-leseling ea sechaba. Ka hona, Ha maemo a bocha a naha a ne a batla ho kenngoa tšebetsong, Re khothaletsa hore NSF / ANSI61 e hlahisoe e le mokhoa o tlamang oa tlhahlobo ea ho leka pula e boima joalo ka leano la pono. Mekhoa ea liteko le litlhokahalo li ka tsamaisana le boemo ba indasteri ea hajoale

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