Avobenzone
Avobenzone(i-BMDM, i-Butyl methoxydibenzoylmethane) yikhemikhali ye-sun-A yesikrini enika ukhuseleko olubanzi kwimitha ye-UVA.Avobenzone ifunxa zombini i-UV-(380-315 nm enxulunyaniswa nomonakalo wolusu wexesha elide) kunye ne-UV-B (315-280 nm ebangela ukutshiswa lilanga) imitha. I-Avobenzone yaziwa njengenye yezona zinto zisebenzayo ze-sunscreen.
Iiparamitha ezingundoqo zobuGcisa:
Imbonakalo | Umgubo omhlophe ukuya kumthubi | ||
Isazisi(IR)USP | Utshatisa i-spectrum yereferensi | ||
Isazisi(Ixesha loGcino) USP | Lidibanisa ixesha logcino lwezalathiso | ||
Ukuphela okuthe ngqo kwe-UV (E1%1cmkwi-357nm kwi-ethanol) I-Spectrophotometry USP | 1100~1180 | ||
Indawo yokunyibilika USP | 81.0℃~86.0℃ | ||
Ilahleko ekomisweni (%) USP | 0.50ubuninzi | ||
Ukucoceka kweChromatographicGC USP | Ukungcola ngakunye(%) | 3.0 ubuninzi | |
Ubumdaka bubonke(%) | 4.5 ubuninzi | ||
Uvavanyo (%) GC USP | 95.0~105.0 | ||
Izinyibilikisi ezishiyekileyo | IMethanol(ppm) | 3000max | |
Toluene(ppm) | 890ubuninzi | ||
Ukucoceka kweMicrobial | Isixa esipheleleyo se-aerobe | 100 CFU/g max | |
Igwele elipheleleyo kunye nokungunda | 100CFU/g max |
Usetyenziso:
Izikhuseli zelanga, iimveliso zokuKhathalela uMntu, ukhathalelo lwelanga, ukhathalelo lweLanga lomntwana, ukhathalelo lwemihla ngemihla ulusu, izithambiso zokuhombisa ezinokhuselo lwelanga, Isihluzi esibanzi se-UV-A.
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