Labarai

Ɗakin gwajin tsufa na yanayi na UV wani nau'in kayan aikin gwaji ne na ɗaukar hoto wanda ke kwaikwayon hasken da ke cikin hasken rana. Hakanan yana iya sake haifar da lalacewar da ruwan sama da raɓa suka haifar. Ana gwada kayan ta hanyar fallasa kayan da za a gwada a cikin zagayowar hulɗa mai sarrafawa ta hasken rana da danshi da kuma ƙara zafin jiki. Kayan aikin suna amfani da fitilun ultraviolet masu haske don kwaikwayon rana, kuma suna iya kwaikwayon tasirin danshi ta hanyar danshi ko feshi.

Yana ɗaukar 'yan kwanaki ko makonni kaɗan ne kawai kafin 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, tsagewa, fashewa, ƙuraje, raguwar ƙarfi, da kuma iskar shaka. Bayanan gwaji da kayan aikin suka bayar na iya taimakawa wajen zaɓar sabbin kayan aiki, inganta kayan da ake da su, ko kimanta canje-canjen abun da ke ciki waɗanda ke shafar dorewar samfuran. Kayan aikin na iya hango canje-canjen da samfurin zai fuskanta a waje.

Duk da cewa UV yana da kashi 5% kawai na hasken rana, babban abin da ke sa dorewar kayayyakin waje ta ragu. Wannan saboda tasirin photochemical na hasken rana yana ƙaruwa tare da raguwar tsawon tsayi. Saboda haka, lokacin kwaikwayon lalacewar hasken rana akan halayen zahiri na kayan, ba lallai ba ne a sake haifar da dukkan hasken rana. A mafi yawan lokuta, kawai kuna buƙatar kwaikwayon hasken UV na ɗan gajeren raƙuman ruwa. Dalilin da yasa ake amfani da fitilar UV a cikin na'urar gwajin yanayi mai sauri ta UV shine cewa sun fi karko fiye da sauran bututu kuma suna iya sake haifar da sakamakon gwajin mafi kyau. Hanya ce mafi kyau don kwaikwayon tasirin hasken rana akan halayen jiki ta amfani da fitilun UV masu haske, kamar faɗuwar haske, fashewa, barewa, da sauransu. Akwai fitilun UV daban-daban da ake da su. Yawancin waɗannan fitilun UV suna samar da hasken ultraviolet, ba a gani da hasken infrared ba. Babban bambance-bambancen fitilu suna bayyana a cikin bambancin jimlar kuzarin UV da aka samar a cikin kewayon tsawon tsayin su. Haske daban-daban za su samar da sakamakon gwaji daban-daban. Yanayin aikace-aikacen fallasa na ainihi zai iya nuna wane nau'in fitilar UV ya kamata a zaɓa.

UVA-340, mafi kyawun zaɓi don kwaikwayon hasken rana na ultraviolet

UVA-340 na iya kwaikwayon hasken rana a cikin mahimmin zangon raƙuman ruwa na gajeren zango, wato, zangon raƙuman ruwa na 295-360nm. UVA-340 na iya samar da bakan zangon UV ne kawai da za a iya samu a cikin hasken rana.

UVB-313 don gwajin hanzari mafi girma

UVB-313 na iya samar da sakamakon gwajin cikin sauri. Suna amfani da gajerun hasken UV masu tsawon rai waɗanda suka fi ƙarfin waɗanda ake samu a duniya a yau. Duk da cewa waɗannan hasken UV masu tsayi fiye da raƙuman ruwa na halitta na iya hanzarta gwajin zuwa mafi girman matsayi, za su kuma haifar da lalacewar wasu kayayyaki marasa daidaituwa da gaske.

Ma'aunin ya bayyana fitilar ultraviolet mai haske tare da fitar da ƙasa da nm 300 ƙasa da kashi 2% na jimlar kuzarin hasken da aka fitar, wanda galibi ake kira fitilar UV-A; fitilar ultraviolet mai haske tare da kuzarin fitar da ƙasa da nm 300 ya fi kashi 10% na jimlar kuzarin hasken da aka fitar, wanda galibi ake kira fitilar UV-B;

Tsawon tsawon UV-A shine 315-400nm, kuma UV-B shine 280-315nm;

Lokacin da kayan da suka fuskanci danshi a waje zai iya kaiwa awanni 12 a rana. Sakamakon ya nuna cewa babban dalilin wannan danshi na waje shine raɓa, ba ruwan sama ba. Mai gwajin juriyar yanayi mai sauri na UV yana kwaikwayon tasirin danshi a waje ta hanyar jerin ƙa'idodin danshi na musamman. A cikin zagayowar danshi na kayan aiki, akwai tankin ajiya na ruwa a ƙasan akwatin kuma ana dumama shi don samar da tururin ruwa. Tururin mai zafi yana kiyaye danshi mai alaƙa a cikin ɗakin gwaji a kashi 100 cikin 100 kuma yana kiyaye zafin jiki mai yawa. An tsara samfurin don tabbatar da cewa samfurin gwajin a zahiri yana samar da gefen ɗakin gwaji don haka bayan kayan gwajin ya fallasa ga iskar da ke cikin gida. Tasirin sanyaya iska ta cikin gida yana sa zafin saman kayan gwajin ya faɗi zuwa matakin digiri da yawa ƙasa da zafin tururi. Bayyanar wannan bambancin zafin jiki yana haifar da ruwan ruwa da aka samar ta hanyar danshi a saman samfurin a duk lokacin zagayowar danshi. Wannan danshi ruwa ne mai tsafta sosai. Ruwa mai tsarki yana inganta sake haifar da gwajin kuma yana guje wa matsalar tabo na ruwa.