Izindaba
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Uyini umsebenzi we-isodium isethionate
I-Sodium isethionate iyi-organic salt ebaluleke kakhulu emithini, izimonyo kanye namakhemikhali ansuku zonke. I-Sodium isethionate elinye igama elithi i-isethionic acid i-sodium salt, cas 1562-00-1. I-Sodium isethionate ikhulisa ukuzinza kwefomula, ithuthukisa ukuvinjelwa kwamanzi aqinile...Funda kabanzi -
Yini eyenziwa yi-glycolic acid esikhumbeni sakho
Iyini i-glycolic acid? I-Glycolic acid, eyaziwa nangokuthi i-hydroxyacetic acid, iyi-alpha-hydroxyl acid engenambala, engenaphunga evame ukutholakala kumoba. Inombolo ye-Cas ingu-79-14-1 kanti ifomula yayo yamakhemikhali yi-C2H4O3. I-Glycolic acid nayo ingakhiwa. I-Glycolic acid ibhekwa njenge-hygroscop...Funda kabanzi -
Kuyini i-polyglyceryl-4 oleate
Abathengi abaningi babona ezinye izimonyo eziqukethe i-“polyglyceryl-4 oleate” yale khemikhali, engacaci ngokusebenza kahle kanye nokusebenza kwale nto, bafuna ukuqonda ukuthi umkhiqizo oqukethe i-polyglyceryl-4 oleate muhle. Lesi sihloko sethula ukusebenza kahle, isenzo kanye nomphumela we-polyglyceryl-...Funda kabanzi -
Yiziphi izithako ezisebenzayo ezitholakala ku-sunscreen
Ukuvikelwa kwelanga kuyinto ebalulekile kwabesifazane banamuhla unyaka wonke. Ukuvikelwa kwelanga akugcini nje ngokunciphisa umonakalo wemisebe ye-ultraviolet esikhumbeni, kodwa futhi kugweme ukuguga kwesikhumba nezifo zesikhumba ezihlobene. Izithako zokuvikela ilanga ngokuvamile zakhiwa ngokomzimba, amakhemikhali, noma ingxube yazo zombili izinhlobo kanye...Funda kabanzi -
Ungazivikela kanjani elangeni ehlobo
Kuleli hlobo, ukuchayeka elangeni kanye nokushisa okuphezulu kufike kungalindelekile, abantu abaningi behamba emgwaqweni, abantu abaningi begqoka izingubo zokuvikela ilanga, izigqoko zokuvikela ilanga, izambulela, izibuko zelanga. Ukuvikelwa kwelanga kuyindaba engenakugwenywa ehlobo, empeleni, ukuchayeka ngeke kugcine ngokuba mnyama, kushiswe yilanga, kodwa futhi kubangele ukuguga kwesikhumba,...Funda kabanzi -
Kuyini i-silica dimethyl silylate
I-silica dimethyl silylate uhlobo lomzimba wasendulo oqukethe i-calcium, uhlobo lwezinto zamaminerali zemvelo. Iphephile futhi ayinabo ubuthi, futhi inamandla okumunca amakhemikhali ayo, angamunca amagesi ayingozi, awabolise abe yi-carbon dioxide engenangozi emzimbeni womuntu,...Funda kabanzi -
Usuku Oluhle LukaMeyi
“Usuku LukaMeyi” lwaminyaka yonke lufikile buthule. Kuzo zonke izingxenye zezwe, abasebenzi ngezandla zombili bahumushe umthwalo wemfanelo, ngehlombe basekele umthwalo wemfanelo, ngonembeza babhale ukuzinikela, ngomjuluko bachaze impilo, sibonge eduze kwabazinikele abangaziwa,...Funda kabanzi -
Iyini i-benzophenone-4 esetshenziselwa ukunakekelwa kwesikhumba
Manje abantu banezinketho eziningi zokunakekelwa kwesikhumba, izithako zokuvikela ilanga kuphela zingaphezu kwezinhlobo eziyi-10, kodwa eminye imikhiqizo yokunakekelwa kwesikhumba ibonakala sengathi izolimaza isikhumba sethu. Ngakho-ke singakhetha kanjani imikhiqizo yokunakekelwa kwesikhumba efanele isikhumba sethu? Ake sixoxe nge-benzophenone-4, i...Funda kabanzi -
Kuyini i-PCA Na
Ngokuthuthuka kwesayensi nobuchwepheshe besimanje kanye nokuthuthukiswa kwezindinganiso zokuphila zabantu, kubonakala sengathi izidingo zezinto zokuhlobisa ziya ngokuya ziphakama, futhi izimonyo eziqukethe izithako zemvelo ziya ngokuya zithandwa yiwo wonke umuntu. Tod...Funda kabanzi -
Yini ewusizo ku-3-O-Ethyl-L-ascorbic acid
I-3-O-Ethyl-L-ascorbic acid inezakhiwo ezimbili zamafutha aphilizayo futhi izinzile kakhulu ngamakhemikhali. I-3-O-Ethyl-L-ascorbic acid, inombolo ye-cas 86404-04-8, inempahla ye-oleophilic ne-hydrophilic njenge-derivative ye-vitamin C, eyandisa ububanzi bayo bokusetshenziswa, ikakhulukazi kumakhemikhali ansuku zonke...Funda kabanzi -
Kuyini i-Glycyrrhizic Acid Ammonium Salt
Usawoti we-ammonium we-glycyrrhizic acid, ikristalu elimhlophe lenaliti noma i-crystalline powder, unobumnandi obuqinile, obuphindwe ka-50 kuya ku-100 kune-sucrose. Iphuzu lokuncibilika 208 ~ 212℃. Incibilika ku-ammonia, ayincibiliki ku-glacial acetic acid. Usawoti we-ammonium we-glycyrrhizic acid unobumnandi obuqinile futhi cishe uphindwe ka-200...Funda kabanzi -
I-polyethylenimine isetshenziselwa ini
I-Polyethylenimine (PEI) iyi-polymer encibilika emanzini. Ukuhlushwa emanzini kwemikhiqizo yezentengiselwano kuvame ukuba ngu-20% kuya ku-50%. I-PEI yenziwe i-polymer kusuka ku-ethylene imide monomer. Iyi-polymer ye-cationic evame ukubonakala njengoketshezi olungenambala kuya koluphuzi noma oluqinile olunesisindo sama-molecule ahlukahlukene...Funda kabanzi