Azurfa chloride, sunadarai da aka sani daAgCl, fili ne mai ban sha'awa tare da fa'idar amfani.Launinsa na musamman ya sa ya zama sanannen zaɓi don ɗaukar hoto, kayan ado, da sauran wurare da yawa.Duk da haka, bayan tsawaita bayyanar haske ko wasu wurare, chloride na azurfa na iya canzawa kuma ya zama launin toka.A cikin wannan labarin, za mu bincika dalilan da suka haifar da wannan al'amari mai ban sha'awa.
Azurfa chlorideaka kafa da dauki naazurfa nitrate (Farashin AgNO3) tare da hydrochloric acid (HCl) ko duk wani tushen chloride.Wani farin crystalline ne mai ƙarfi wanda yake da ɗaukar hoto, ma'ana yana canzawa lokacin fallasa ga haske.Wannan kadara ta samo asali ne saboda kasancewar ions na azurfa (Ag+) da ions chloride (Cl-) a cikin lattice ɗin sa.
Babban dalilin da yasaAzurfa chloridejuya launin toka shine samuwarkarfe azurfa(Ag) a saman sa.YausheAzurfa chlorideAna fallasa ga haske ko wasu sinadarai, ions na azurfa da ke cikin fili suna fuskantar ragi.Wannan yana haifar dakarfe azurfadon ajiya a saman samanazurfa chloridelu'ulu'u.
Daya daga cikin mafi yawan tushen wannan ragi shine hasken ultraviolet (UV) da ke cikin hasken rana.Lokacin da chloride na azurfa ya fallasa zuwa hasken UV, makamashin da hasken ke bayarwa yana haifar da ions na azurfa don samun electrons kuma daga baya ya canza zuwakarfe azurfa.Ana kiran wannan halayen photoreduction.
Baya ga haske, wasu abubuwan da zasu iya haifarwaazurfa chloridedon juya launin toka sun haɗa da fallasa wasu sinadarai, kamar hydrogen peroxide ko sulfur.Wadannan abubuwa suna aiki azaman masu ragewa, suna haɓaka canjin ions na azurfa cikinkarfe azurfa.
Wani al'amari mai ban sha'awa wanda ke haifar da chloride na azurfa ya zama launin toka shine rawar ƙazanta ko lahani a cikin tsarin crystal.Ko da a cikin tsarkiazurfa chloridelu'ulu'u, sau da yawa akan sami ƙananan lahani ko ƙazanta waɗanda suka tarwatse a cikin lattice ɗin crystal.Waɗannan na iya zama wuraren farawa don rage halayen, haifar da sakawakarfen azurfaa saman crystal.
Yana da mahimmanci a lura cewa graying naazurfa chlorideba lallai ba ne mummunan sakamako.A gaskiya ma, an yi amfani da shi a aikace-aikace daban-daban, musamman a fannin daukar hoto.Azurfa chloridewani mahimmin sinadari ne a cikin daukar hoto na fim baki da fari, inda aka canzaazurfa chloridezuwa azurfa wani muhimmin mataki ne na ƙirƙirar hoto mai gani.The fallasaazurfa chloridelu'ulu'u suna yin launin toka lokacin da suke amsawa da haske, suna samar da hoto mai ɓoye, wanda sannan aka haɓaka ta amfani da sinadarai na hoto don bayyana hoton ƙarshe na baki da fari.
Don taƙaitawa, launin toka naazurfa chlorideyana faruwa ne ta hanyar canza ions na azurfa zuwakarfe azurfaa saman crystal.Da farko wannan al'amari yana faruwa ne ta hanyar fallasa haske ko wasu sinadarai waɗanda ke haifar da ragi.Kasancewar ƙazanta ko lahani a cikin tsarin crystal kuma na iya haifar da wannan launin toka.Ko da yake yana iya canza bayyanarazurfa chloride, An yi amfani da wannan sauyi a cikin daukar hoto don ƙirƙirar hotuna baƙi da fari masu jan hankali.
Lokacin aikawa: Nuwamba-07-2023