Litaba
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Botsitso ba lik'hemik'hale ba bisphenol A ke bofe?
Mokhoa oa ho arabela oa Bisphenol A Ha ho tluoa ho bisphenol A, ke motsoako oa lintho tse phelang o nang le boemo ba bohlokoa indastering ea lik'hemik'hale! Mokhoa oa eona oa ho arabela o kenyelletsa likarolo tse ngata, tse rarahaneng le tse khahlisang. Tlhahisoleseling ea Motheo ea Bisphenol A Bisphenol A, ka saense...Bala haholoanyane -
Bisphenol A ke thepa efe?
Bisphenol A (BPA) ke selelekela se sebediswang tlhahisong ya di-polycarbonate, di-resin tsa epoxy, di-polysulfone, di-resin tsa phenoxy, di-antioxidants le dintho tse ding. E sebediswa haholo tlhahisong ya dikontena tsa dijo tse manehilweng ka tshepe, thepa ya ho paka dijo, dijana tsa dino, dijana tsa tafole, le...Bala haholoanyane -
Bisphenol A BPA e akaretsoa joang?
Kakaretso ea Bisphenol A BPA Qalong e hlahisitsoe ka 1936 e le estrogen ea maiketsetso, bisphenol A (BPA) joale e etsoa ka bongata ba selemo bo fetang liponto tse libilione tse 6. Bisphenol A BPA e sebelisoa haholo e le motheo oa polasetiki ea polycarbonate, e fumanoang lihlahisoa tse kang lesea ...Bala haholoanyane -
Tšebeliso e tlase ea bisphenol A ke efe?
polycarbonate le epoxy resins. E boetse e sebelisoa tlhahisong ea polasetiki ea boenjiniere ea bohlokoa joalo ka polysulfone, hammoho le tetrabromobisphenol A, e sebelisoang haholo e le sethibela-malakabe. Polycarbonate (e sebelisoang haholo ke bisphenol A) ke sesebelisoa se se nang tatso, se se nang monko, se se nang chefo, 'me se...Bala haholoanyane -
Bisphenol e sebelisetsoa eng, bpa?
Bisphenol a bpa e sebelisoa haholo tlhahisong ea thepa e fapaneng ea polymer, joalo ka li-resin tsa epoxy, li-polycarbonate, li-polysulfone, li-resin tsa phenolic unsaturated, li-resin tsa polyphenylene ether, metsoako ea polyaryl, li-polyetherimides, li-tetrabromobisphenol A, li-stabilizer tsa mocheso tsa PVC, li-antioxidants tsa rabara,...Bala haholoanyane -
Ntlha e belang ea bisphenol a ke eng?
Bisphenol A (BPA), e tsejoang hape e le diphenylolpropane kapa (4-hydroxyphenyl)propane, e etsa likristale tsa prismatic ka har'a ethanol e hlapolotsoeng le likristale tse kang nale ka metsing. E ka tuka 'me e na le monko o fokolang oa phenolic. Sebaka sa eona sa ho qhibiliha ke 157.2°C, ntlha ea flash ke 79.4°C, 'me ntlha ea ho belisa ea bisphenol a ke 2...Bala haholoanyane -
Bisphenol A ke eng?
Tlhahisoleseding ya Motheo ya Bisphenol A (bpa) Bisphenol A, e tsejwang hape e le BPA, ke motswako wa tlhaho o nang le foromo ya molek'hule C₁₅H₁₆O₂. Diindastering, e sebediswa tlhahisong ya thepa e kang polycarbonate (PC) le epoxy resins. Ho tloha ka bo-1960, BPA e sebediseditswe tlhahisong ya polasetiki...Bala haholoanyane -
Mokhoa oa ho sebelisa sesebelisoa sa ho tlosa mebala sa sodium hydrosulfite joang?
Mokhoa oa ho Hlobolla Matheba Sebakeng se Seng bakeng sa Liaparo tse Tšoeu Mokhoa oa ho Koebisa Kopi ea Sodium hydrosulfite Haeba ho na le matheba sebakeng se seng, sebelisa kopi e nang le matheba a lekaneng bakeng sa ho koebisa. Tšela metsi a chesang a itseng (a fetang 90°C) ka koping. Kenya sodium hydrosulfite (mahloriso a ka bang 2.5%) 'me u hlohlelletse ho qhala. Kenya...Bala haholoanyane -
Mefuta ea boteng ba sodium dithionite ke efe?
Litšobotsi tsa 'Mele: Sodium dithionite e arotsoe e le ntho e ka tukang ea Sehlopha sa 1. E boetse e tsejoa e le Rongalite. Khoebong, e teng ka mefuta e 'meli: Na₂S₂O₄·2H₂O le Na₂S₂O₄ e sa naeng metsi. Ea pele ke kristale e tšoeu e ntle, ha ea morao e le phofo e mosehla o bobebe. Botenya ba eona bo lekanyelitsoeng ke...Bala haholoanyane -
Moemeli oa ho Fokotsa: Sodium Hydrosulfite
Moemeli oa ho Fokotsa: Sodium Hydrosulfite Lebitso la Khemik'hale: Sodium dithionite. Ha e bapisoa le metsoako ea oxidizing, sodium hydrosulfite e baka tšenyo e nyane haholo masela. E ka sebelisoa masela a entsoeng ka likhoele tse fapaneng ntle le ho baka kotsi, ke ka lebaka leo lebitso la "hydrosulfite" (le bolelang polokeho ea eona). E...Bala haholoanyane -
Karolo ea sodium hydrosulfite likhoeleng tsa masela ke efe?
Li-Fiber tse Loketseng bakeng sa sodium hydrosulfite sodium hydrosulfite e loketse li-fiber tse fapaneng tsa masela, ke ka lebaka leo e bitsoang "Rongalite." Ha e sebelisoa bakeng sa ho soeufatsa kapa ho tlosa matheba mochesong o phahameng, li-fiber tsa masela li tlameha ho khona ho mamella mocheso o phahameng ntle le tšenyo. Mabapi le setifikeiti...Bala haholoanyane -
Likotsi tsa sodium hydrosulfite ke life?
Sodium hydrosulfite e chefo 'me e ka halefisa mahlo le mucosa ea methapo ea phefumoloho. E sebelisoa haholo indastering ea masela bakeng sa ho fokotsa ho daea, ho fokotsa ho hloekisa, ho hatisa, ho tlosa 'mala le ho soeufatsa silika, ulu, nylon le masela a mang. Kaha ha e na litšepe tse boima, masela a soeufalitsoe ka...Bala haholoanyane