Anan akwai bambance-bambancen da muke taƙaitawa tsakanin Trivalent da chromes hexavalent.
Bambanci Tsakanin Trivalent da Hexavalent Chromium
Hexavalentchromium platingita ce hanyar gargajiya ta chromium plating (wanda aka fi sani da chrome plating) kuma ana iya amfani da ita don kayan ado da kammala aikin.Hexavalent chromium plating ana samunsa ta hanyar nutsar da ɗigon ruwa zuwa cikin wanka na chromium trioxide (CrO3) da sulfuric acid (SO4).Irin wannan nau'in plating na chromium yana ba da lalata da juriya, da kuma ƙayatarwa.
Bangaren tuƙi na mota a cikin ƙarewar chrome hexavalent
Hexavalent chromiumplatingyana da rashin amfani, duk da haka.Wannan nau'in plating yana samar da samfurori da yawa waɗanda ake ɗaukar sharar gida masu haɗari, gami da chromates na gubar da barium sulfate.Hexavalent chromium kanta abu ne mai haɗari da carcinogen kuma EPA ne ke sarrafa shi sosai.A cikin 'yan shekarun nan, OEMs na kera motoci kamar Chrysler sun yi ƙoƙarin maye gurbin chromium na hexavalent tare da ƙarin ƙarewar yanayin yanayi.
Trivalent chromiumwata hanya ce takayan ado chrome plating, kuma ana la'akari da madadin yanayin muhalli ga chromium hexavalent, tare da yawancin halaye iri ɗaya;kamar yadda ya gama hexavalent chrome, chrome trivalent yana ba da juriya da lalata kuma ana samun su cikin zaɓuɓɓukan launi iri-iri.Trivalent chromium plating yana amfani da chromium sulfate ko chromium chloride a matsayin babban sinadarinsa, maimakon chromium trioxide;yin trivalent chromium kasa mai guba fiye da chromium hexavalent.
Gasasshen gasa a cikin baƙar fata trivalent chrome akan nickel mai haske
Yayin da trivalent chromium plating tsari ya fi wuya a sarrafawa, kuma mahimman sinadarai sun fi tsada fiye da yadda ake amfani da su don chromium hexavalent, fa'idodin wannan hanyar ya sa ya zama mai tsada tare da sauran hanyoyin gamawa.Tsarin trivalent yana buƙatar ƙarancin ƙarfi fiye da tsarin hexavalent kuma yana iya jure katsewa na yanzu, yana sa ya fi ƙarfi.Ƙananan guba na chromium na Trivalent yana nufin cewa an tsara shi ƙasa da ƙarfi, yana rage sharar gida mai haɗari da sauran farashin yarda.
Tare da ƙa'idodi kan abubuwa masu haɗari waɗanda ke ƙarfafawa a cikin Amurka da EU, buƙatar gamawa ga mahalli kamar chrome trivalent yana ƙaruwa.
Hexavalent Chromium Plating Magani
Hard chromium plated adibas, wanda yawanci mafi kauri plating, ana amfani da ko'ina a cikin ma'adinai da jirgin sama masana'antu da na'ura mai aiki da karfin ruwa da kuma karfe forming kayan aiki.Ana kuma amfani da su wajen kammala kayan aikin likita da na tiyata.
Hexavalent chromium electrolytes na buƙatar tushen ions chromium da ɗaya ko fiye da ke kara kuzari don yin faranti.Ƙirƙirar tsarin al'ada, wanda ake kira wanka na al'ada, ya ƙunshi hexavalent chromium da sulfate a matsayin kawai mai kara kuzari.
Abubuwan da ake buƙata na mallaka waɗanda za'a iya ƙarawa zuwa tsarin wanka na yau da kullun na hexavalent chromium plating don haɓaka aikin ana kiran su baho mai ƙara kuzari tunda abubuwan ƙari sun ƙunshi ƙarin ƙarin ƙararrawa guda ɗaya ban da sulfate.
Maganin Plating na Trivalent Chromium
Abubuwan electrolytes don maganin chromium plating na trivalent sun bambanta a cikin ilmin sunadarai, amma duk sun ƙunshi tushen chromium trivalent, wanda yawanci ana ƙara shi azaman sulfate ko gishiri chloride.Har ila yau, sun ƙunshi wani abu mai narkewa wanda ke haɗuwa tare da chromium don ba da izinin yin faranti a cikin sha'awar ƙara haɓakawa a cikin bayani.
Ana amfani da ma'aikatan jiƙa don taimakawa a cikin amsawar ajiya da kuma rage tashin hankali na bayani.Rage tashin hankali saman da gaske yana kawar da samuwar hazo a anode ko cathode.Tsarin plating yana aiki kamar sinadarai na wanka na nickel fiye da wankan Hex chrome.Yana da taga tsari mai kunkuntar fiye da hexavalent Chrome plating.Wannan yana nufin cewa yawancin sigogin tsari dole ne a sarrafa su da kyau, kuma da yawa daidai.Ingancin Trivalent Chrome ya fi wannan don Hex.Adadin yana da kyau kuma yana iya zama kyakkyawa sosai.
Hexavalent chromium plating yana da rashin amfaninsa, duk da haka.An san shi da ciwon daji na ɗan adam kuma yana iya haifar da mummunar matsalolin lafiya.Ka tuna abin da ya sa Erin Brockovich ya zama sunan gida?Wannan nau'in plating yana samar da samfurori da yawa waɗanda ake ɗauka masu haɗari.
Trivalent chromium platingya fi dacewa da muhalli fiye da chromium hexavalent;tsarin electrodeposition gabaɗaya ana yarda dashi ya zama ƙasa da mai guba fiye da sau 500 fiye da Chromium hexavalent.Babban fa'idar tafiyar matakai na chromium trivalent shine cewa ya fi dacewa.Rarraba plating yafi uniform, ganga plating yana yiwuwa ga trivalent chrome, wanda ba zai yiwu tare da hexavalent chrome.
Hexavalent Vs Trivalent Chromium
| Abubuwa | Hexavalent Chromium | Trivalent Chromium |
| Maganin Sharar gida | Mai tsada | Sauƙi |
| Jifar Ƙarfi | Talakawa | Yayi kyau |
| Tsaro | Mara lafiya sosai | Amintacciya;kama da nickel |
| Hakuri ga gurbacewa | Yayi Kyau | Ba kamar Kyau ba |
| NSS da CASS | makamantansu | makamantansu |
| Juriya ga konewa | Ba kyau | Yayi kyau sosai |
Teburin kwatanta wasu kaddarorin Hexavalent da Trivalent Chromium
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Lokacin aikawa: Nov-11-2023