Eminyakeni edlule isidingo sokuvikelwa ngcono kwe-UVAyanda ngokushesha.
I-UV Radiation inemiphumela emibi, kufaka phakathi ukushiswa yilanga, isithombe-umdlavuza wokuguga kanye nesikhumba. Le miphumela ingavinjwa kuphela ngokuvikela ohlwini lonke lwemisebe ye-UV, kufaka phakathi i-UVA.
Ngakolunye uhlangothi kunomkhuba wokunciphisa inani lama- "amakhemikhali" esikhunjeni. Lokhu kusho ukuthi i-UV esebenza kahle kakhuluAma-Rerskufanele itholakale ngesidingo esisha sokuvikelwa kwe-UV ebanzi.ISunsafe-BMTZ(Bis-ethylhexyloxyphenol Methoxyphenyl Triazine yakhelwe ukufeza le mfuneko. Kuyizinzile-ezizinzile zezithombe, ze-oyela, zisebenza kahle futhi zimboza ibanga le-UVB ne-UVA. Ngonyaka ka-2000, iziphathimandla zaseYurophu zengeze iBIS-ethyzyxyloxyphenol Methoxyphenyl Triazine ohlwini oluhle lwe-cosmetic UV Ableber.
•UVA:Amaqembu amabili we-ortho-oh ayadingeka ekuhlakazekeni kwamandla okusebenzayo ngamabhuloho we-hydrogen we-intramolecular. Ukuze uthole ukumuncwa okuqinile e-UVA, izikhundla zePheny-zezinkomo ezimbili kufanele zifakwe esikhundleni ngu-O-Alkyl, okuholele ku-BIS-resorcinyl Triazine Chromoror.
•UVB:Iqembu elisele le-Phenyl linamathiselwe kwi-Triazine liholela ekutholweni kwe-UVB. Kungakhonjiswa ukusebenza kwe- "Full Spectrum" kutholakala nge-O-Alkyl etholakala endaweni ye-para. Ngaphandle kokugxuma ngokungemthetho, ama-HPTS acishe ancibilike emafutheni okugcoba. Babonisa izakhiwo ezijwayelekile zemibala (isib. Amaphoyinti aphezulu ancibilikayo). Ukuze wandise i-solubity ezigabeni zamafutha, ukwakheka kwesihlungi se-UV kuguquliwe ngokufanele.
Izinzuzo:
Ukuvikelwa kwe-Spectrum Sun
Ngokuqhathaniswa kakhulu nezinye izihlungi ze-UV
Ukuqina kwefomula
Isikhathi sePosi: Feb-18-2022