Labarai

Gidan gwajin tsufa na UV wani nau'in kayan gwajin hoto ne wanda ke kwatanta haske a cikin hasken rana. Hakanan zai iya haifar da lalacewar da ruwan sama da raɓa ke haifarwa. Ana gwada kayan aikin ta hanyar fallasa kayan da za a gwada a cikin yanayin yanayin hulɗar hasken rana da zafi da haɓaka zafi. Kayan aikin suna amfani da fitilun ultraviolet mai kyalli don kwaikwaya rana, kuma suna iya kwaikwayi tasirin danshi ta hanyar damfara ko fesa.

Yana ɗaukar 'yan kwanaki ko makonni kawai don na'urar ta sake haifar da lalacewar da ke ɗaukar watanni ko shekaru kafin ta kasance a waje. Lalacewar ta haɗa da canza launi, canza launi, raguwar haske, juyewa, fatattaka, fuzziness, ƙwanƙwasa, raguwar ƙarfi, da oxidation. Bayanan gwajin da kayan aiki ke bayarwa na iya taimakawa ga zaɓin sabbin kayan, haɓaka kayan da ake dasu, ko kimanta canje-canjen abun da ke shafar dorewar samfuran. Kayan aiki na iya hasashen canje-canjen da samfurin zai fuskanta a waje.

Kodayake UV kawai yana da kashi 5% na hasken rana, shine babban abin da ke haifar da karkowar samfuran waje. Wannan shi ne saboda yanayin photochemical na hasken rana yana ƙaruwa tare da raguwar raƙuman ruwa. Sabili da haka, lokacin yin kwaikwayon lalacewar hasken rana a kan abubuwan da ke cikin jiki na kayan aiki, ba lallai ba ne a sake haifar da dukkanin hasken rana ba. A mafi yawan lokuta, kawai kuna buƙatar kwaikwayi hasken UV na ɗan gajeren igiyar igiyar ruwa. Dalilin da yasa ake amfani da fitilar UV a cikin saurin gwajin yanayi na UV shine cewa sun fi kwanciyar hankali fiye da sauran bututu kuma suna iya haifar da sakamakon gwajin da kyau. Ita ce hanya mafi kyau don kwaikwayi tasirin hasken rana akan kaddarorin jiki ta hanyar amfani da fitilun UV masu kyalli, kamar faɗuwar haske, tsagewa, bawo, da sauransu. Akwai fitilun UV daban-daban da dama. Yawancin waɗannan fitilun UV suna samar da hasken ultraviolet, ba bayyane da hasken infrared ba. Babban bambance-bambancen fitilu suna nunawa a cikin bambanci a cikin jimillar makamashin UV da aka samar a cikin kewayon tsayinsu daban-daban. Fitillu daban-daban za su haifar da sakamakon gwaji daban-daban. Ainihin yanayin aikace-aikacen fallasa na iya faɗakar da wane nau'in fitilar UV ya kamata a zaɓi.

UVA-340, mafi kyawun zaɓi don simintin hasken ultraviolet hasken rana

UVA-340 na iya kwaikwayi bakan hasken rana a cikin kewayon gajeriyar tsayin igiyar igiyar ruwa, wato, bakan tare da kewayon tsayin 295-360nm. UVA-340 na iya samar da bakan na tsawon UV wanda za'a iya samuwa a cikin hasken rana.

UVB-313 don matsakaicin gwajin hanzari

UVB-313 na iya samar da sakamakon gwajin da sauri. Suna amfani da guntuwar UVs waɗanda suka fi ƙarfin waɗanda aka samu a duniya a yau. Kodayake waɗannan fitilun UV waɗanda ke da tsayi fiye da raƙuman ruwa na halitta na iya haɓaka gwajin har zuwa mafi girma, kuma za su haifar da rashin daidaituwa da lalacewa na ainihi ga wasu kayan.

Ma'auni yana ma'anar fitilar ultraviolet mai kyalli tare da fitar da kasa da 300nm kasa da 2% na jimillar makamashin hasken da ake fitarwa, wanda galibi ake kira fitilar UV-A; fitilar ultraviolet mai kyalli tare da makamashin da ke ƙasa da 300nm ya fi 10% na jimlar makamashin hasken fitarwa, yawanci ana kiransa fitilar UV-B;

Matsakaicin tsayin igiyoyin UV-A shine 315-400nm, kuma UV-B shine 280-315nm;

Lokacin kayan da aka fallasa ga danshi a waje yana iya kaiwa awanni 12 a rana. Sakamakon ya nuna cewa babban dalilin wannan zafi na waje shine raɓa, ba ruwan sama ba. Mai saurin juriyar yanayin UV yana simintin tasirin danshi a waje ta jerin ƙa'idodin ƙa'idodi na musamman. A cikin sake zagayowar kayan aiki, akwai tankin ajiyar ruwa a kasan akwatin kuma mai zafi don samar da tururin ruwa. Turi mai zafi yana riƙe da ɗanɗanon zafi a cikin ɗakin gwaji a kashi 100 kuma yana kiyaye yanayin zafi mai ɗanɗano. An ƙera samfurin don tabbatar da cewa samfurin gwajin da gaske ya samar da bangon ɗakin gwajin ta yadda bayan yanki na gwajin ya fallasa zuwa iska na cikin gida. Tasirin sanyaya iska na cikin gida yana haifar da yanayin zafin saman gwajin ya faɗi zuwa matakin ƙasa da digiri da yawa fiye da zafin tururi. Bayyanar wannan bambance-bambancen zafin jiki yana haifar da ruwa mai ruwa da aka samar ta hanyar condensation a saman samfurin yayin duk zagaye na sakewa. Wannan condensate wani tsayayyen tsaftataccen ruwa ne. Ruwa mai tsafta yana inganta sake fasalin gwajin kuma yana guje wa matsalar rashin ruwa.