Bakin ƙarfe wani nau'i ne na ƙarfe mai ƙarfi wanda zai iya tsayayya da lalata a cikin iska ko maɗaukakiyar sinadarai.Yana da kyakkyawan farfajiya da kyakkyawan juriya na lalata.Ba ya buƙatar shan magani na ƙasa kamar platin launi, amma yana aiwatar da kaddarorin abubuwan da suka dace na bakin karfe.Ana amfani dashi a cikin nau'in ƙarfe mai yawa.
A zamanin yau, an yi amfani da kayayyakin bakin karfe sosai a masana'antu da rayuwa.Don haka ta yaya za a bambanta sahihancin bakin karfe?A ƙasa, editan Burtaniya zai ɗauke ku ku fahimta:
1. Hanyar ingancin sinadarai
Hanyar ingancin sinadarai hanya ce ta tantancewa don gano ko bakin karfen maganadisu ya ƙunshi nickel.Hanyar ita ce a narkar da karamin bakin karfe a cikin ruwa mai ruwa, a tsoma maganin acid da ruwa mai tsabta, a zuba ruwan ammonia don kawar da shi, sannan a yi masa allurar nickel reagent a hankali.Idan akwai wani abu mai launin ja da ke shawagi a saman ruwa, yana nufin cewa bakin karfe yana dauke da nickel;idan babu jan karammiski, yana nufin babu nickel a cikin bakin karfe.
2. Nitric acid
Wani sanannen fasalin bakin karfe shine juriyar lalatawar sa na asali ga mai da hankali da tsarma nitric acid.Za mu iya amfani da nitric acid don drip a kan bakin karfe kayayyakin, wanda za a iya bambanta a fili, amma muna bukatar mu kula da cewa high-carbon 420 da 440 karfe suna da ɗan lalata a lokacin da nitric acid batu gwajin, da kuma wadanda ba ferrous karafa. nan da nan za su hadu da tattarawar nitric acid.lalatacce.
3. Copper sulfate batu gwajin
Cire Layer oxide akan karfe, sanya digo na ruwa, shafa shi da jan karfe sulfate, idan bai canza launi ba bayan shafa, gabaɗaya bakin karfe ne;irin alloy.
4. Launi
Launi mai launi na bakin karfe mai wanke acid: chrome-nickel bakin karfe shine launin ja da fari na azurfa;chrome bakin karfe fari ne mai launin toka kuma mai sheki;launin chrome-manganese-nitrogen bakin karfe yayi kama da na chrome-nickel bakin karfe da dan kadan.Launin saman bakin karfe da ba a tsince shi ba: karfe chrome-nickel launin ruwan kasa-fari, chrome-karfe launin ruwan kasa-baki ne, kuma chrome-manganese-nitrogen baki ne.Bakin karfe na chrome-nickel ba tare da sanyi mai birgima ba tare da faren haske na azurfa-fari.
Lokacin aikawa: Oktoba-12-2022