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He aha te rereketanga i waenga i te chrome trivalent me te chrome hexavalent?

Anei nga rereketanga ka whakarapopotohia e matou i waenga i nga chrome Trivalent me te hexavalent.

Rerekētanga i waenga i te Trivalent me te Hexavalent Chromium

Hexavalentwhakakikorua chromiumKo te tikanga tuku iho mo te whakakikorua chromium (e mohiotia ana ko te whakakikorua chrome) ka taea te whakamahi mo nga mahi whakapaipai me te mahi.Ka taea te whakakikorua hexavalent chromium ma te ruku i nga taputapu ki roto i te pati chromium trioxide (CrO3) me te waikawa pungatara (SO4).Ko tenei momo whakakikorua chromium e whakarato ana i te waikura me te whakakakahu i te aukati, tae atu ki te ahua ataahua.

Waahanga wira urungi waka i roto i te mutunga chrome hexavalent

Waahanga wira urungi waka i roto i te mutunga chrome hexavalent

Hexavalent chromiumwhakakikoruahe ona huakore, heoi ano.Ko tenei momo whakakikorua he maha nga hua ka kiia he para morearea, tae atu ki nga chromates mata me te barium sulfate.Ko te Hexavalent chromium ake he matū morearea me te mate pukupuku, a, he kaha te whakahaere a te EPA.I roto i nga tau tata nei, kua whakapau kaha nga OEM miihini penei i a Chrysler ki te whakakapi i nga otinga chromium hexavalent me etahi atu mahi pai-taiao.

Torutoru chromiumko tetahi atu tikanga owhakakikorua chrome whakapaipai, a ka kiia ko te ahua pai ki te taiao ki te hexavalent chromium, me te maha o nga ahuatanga rite;Pērā i te mutunga o te chrome hexavalent, ko te mutunga o te chrome trivalent e whakarato ana i te rakuraku me te aukati waikura me te waatea i roto i nga momo momo tae.Ko te whakakikorua chromium trivalent e whakamahi ana i te chromium sulfate, chromium chloride ranei hei whakauru matua, hei utu mo te chromium trioxide;kia iti ake te paitini o te chromium trivalent i te chromium hexavalent.

Kohia te tunutunu i roto i te chrome trivalent pango i runga i te nickel kanapa

Kohia te tunutunu i roto i te chrome trivalent pango i runga i te nickel kanapa

Ahakoa he uaua ake te whakahaere i te tukanga whakakikorua chromium trivalent, me nga matū e tika ana he nui ake te utu atu i tera e whakamahia ana mo te hexavalent chromium, ko nga painga o tenei tikanga he utu whakataetae ki etahi atu tikanga whakaoti.He iti ake te kaha o te tukanga trivalent i te tukanga hexavalent, ka taea e ia te tu atu i nga aukati o naianei, kia pakari ake ai.Ko te paitini o te Trivalent chromium ko te tikanga he iti ake te whakahaere, ka whakaiti i te para morearea me etahi atu utu tautukunga.

Na nga ture mo nga matū morearea e piri ana i roto i te US me te EU, kei te piki haere te hiahia mo nga whakaotinga taiao penei i te trivalent chrome.

Hexavalent Chromium Whakakikorua Rongoa

Ko nga putunga chromium whakakikoruatia, he mea nui ake te whakakikoruatanga, e whakamahia nuitia ana i roto i nga umanga maina me nga waka rererangi me nga taputapu hanga whakarewa.Ka whakamahia ano hoki ki te whakaoti i nga taputapu rongoa me te rongoa.

Ko nga electrolytes hexavalent chromium e hiahia ana ki te puna o nga katote chromium me te kotahi neke atu ranei o nga whakakorikori hei pereti.Ko te hanga o te tikanga tuku iho, e kiia nei ko te pati tikanga, kei roto ko te hexavalent chromium me te sulfate hei whakakorikori anake.

Ko nga taapiri motuhake ka taea te taapiri atu ki te hanga kaukau whakakikorua hexavalent chromium tikanga hei whakarei ake i te mahi ka kiia ko nga pati whakauru-whakaongoko na te mea kei roto i nga taapiri tetahi atu whakakorikori hei taapiri atu ki te sulfate.

Trivalent Chromium Whakakikorua Solution

He rereke nga matū o nga wairewa whakakikorua chromium trivalent i roto i te matū, engari kei roto katoa he puna o te chromium trivalent, ka taapirihia hei tote pūkawa me te tote pūhaumāota.Kei roto ano hoki he rauemi whakarewa e hono ana ki te chromium kia pai ai te pereti i roto i te hiahia ki te whakanui i te kawe i roto i te otinga.

Ka whakamahia nga makuku hei awhina i te tauhohenga waipara me te whakaheke i te mata o te wairewa.Ko te whakaheke o te mata o te mata ka whakakorea te hanga o te kohu i te anode, te cathode ranei.Ko te mahi whakakikorua he rite ki te matū pati Nickel i te pati chrome Hex.He whaiti ake te matapihi tukanga i te whakakikorua Chrome hexavalent.Ko te tikanga me whakahaere pai te nuinga o nga tawhā tukanga, me te tino tika.Ko te kaha o Trivalent Chrome he teitei ake i tera mo te Hex.He pai te tahua, he tino ataahua.

Ko te whakakikorua hexavalent chromium he ona huakore, heoi.E mohiotia ana ko te mate mate tangata, ka raru pea te hauora.Kia mahara he aha te ingoa o Erin Brockovich?Ko tenei momo whakakikorua he maha nga hua ka kiia he morearea.

Whakakikorua chromium trivalenthe pai ake te taiao i te hexavalent chromium;Ko te tikanga tukunga hiko ka whakaaetia kia neke atu i te 500 nga wa iti ake te paitini i te Chromium hexavalent.Ko te painga nui o nga tukanga chromium trivalent he pai ake.He nui ake te rite o te tohatoha whakakikorua, ka taea te whakakikorua oko mo te chrome trivalent, kaore e taea ki te chrome hexavalent.

Hexavalent vs Trivalent Chromium

Nga taonga Hexavalent Chromium Trivalent Chromium
Te maimoatanga para He utu nui Māmā
Te Mana Maka Pohara Pai
Haumaru Tino Haumaru He haumaru;he rite ki te Nickel
Te Whakaaetanga ki te Whakakino Tino Pai Ehara i te pai
NSS me CASS He rite He rite
Te ātete ki te wera Kaore i te pai Tino pai

Ripanga whakatairite i etahi ahuatanga o te Hexavalent me te Trivalent Chromium

Mo CheeYuen

I whakaturia ki Hong Kong i te tau 1969,CheeYuenhe kaiwhakarato otinga mo te hanga waahanga kirihou me te maimoatanga mata.He mea hanga ki nga miihini matatau me nga raina whakaputa (1 taputapu me te pokapu whakarewa werohanga, 2 raina hiko, 2 raina peita, 2 raina PVD me etahi atu) ka arahina e te roopu tohunga me nga tohunga hangarau, CheeYuen Surface Treatment e whakarato ana i te otinga turnkey mochromed, peita&Ko nga waahanga mo te PVD, mai i te hoahoa taputapu mo te whakangao (DFM) ki te PPAP ka mutu ka mutu te tuku waahanga puta noa i te ao.

Kua whakamanahia eIATF16949, ISO9001aISO14001me te arotake me teVDA 6.3aTKT, CheeYuen Surface Treatment kua riro hei kaiwhakarato rongonui me te hoa rautaki mo te maha o nga waitohu rongonui me nga kaihanga i roto i nga umanga miihini, taputapu, me nga hua horoi, tae atu ki te Continental, ALPS, ITW, Whirlpool, De'Longhi me Grohe, etc.

He korero e pa ana ki tenei panui, kaupapa ranei e hiahia ana koe ki te tirotiro i a maatau a muri ake nei?

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Wā tuku: Nov-11-2023