Izindaba
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Kuyini ukuzinza kwamakhemikhali kwe-bisphenol A?
Inqubo Yokusabela yeBisphenol A Uma kukhulunywa nge-bisphenol A, iyinhlanganisela yezinto eziphilayo ephethe isikhundla esibalulekile embonini yamakhemikhali! Inqubo yayo yokusabela ihilela izici eziningi, eziyinkimbinkimbi futhi ezithakazelisayo. Ulwazi Oluyisisekelo lweBisphenol A Bisphenol A, kanye nesayensi...Funda kabanzi -
Iyini i-Bisphenol A?
I-Bisphenol A (BPA) iyisandulela esisetshenziswa ekukhiqizweni kwama-polycarbonate, ama-epoxy resins, ama-polysulfones, ama-phenoxy resins, ama-antioxidants, nezinye izinto. Isetshenziswa kabanzi ekukhiqizweni kwezingubo zokudla ezimbozwe ngensimbi, izinto zokupakisha ukudla, izitsha zeziphuzo, izitsha zokudla, kanye...Funda kabanzi -
I-bisphenol A BPA ifingqwe kanjani?
Ukubuka Konke kwe-Bisphenol A BPA Yaqala ukukhiqizwa ngo-1936 njenge-estrogen yokwenziwa, i-bisphenol A (BPA) manje ikhiqizwa ngomthamo waminyaka yonke odlula amakhilogremu ayizigidi eziyizinkulungwane eziyisithupha. I-Bisphenol A BPA isetshenziswa kakhulu njengebhloko yokwakha amapulasitiki e-polycarbonate, atholakala emikhiqizweni efana ne-baby b...Funda kabanzi -
Yiziphi izinzuzo zokusebenzisa i-bisphenol A?
Ama-polycarbonate nama-epoxy resins. Iphinde isetshenziswe ekukhiqizeni amapulasitiki obunjiniyela abalulekile njenge-polysulfone, kanye ne-tetrabromobisphenol A, esetshenziswa kabanzi njengesivimbeli somlilo. I-Polycarbonate (umthengi omkhulu we-bisphenol A) ayinambitheki, ayinaphunga, ayinabo ubuthi, futhi...Funda kabanzi -
Iyini i-bisphenol i-bpa esetshenziselwa yona?
I-Bisphenol a bpa isetshenziswa kabanzi ekukhiqizweni kwezinto ezahlukahlukene ze-polymer, njenge-epoxy resins, i-polycarbonates, i-polysulfones, i-phenolic unsaturated resins, i-polyphenylene ether resins, i-polyaryl compounds, i-polyetherimides, i-tetrabromobisphenol A, iziqinisi zokushisa ze-PVC, ama-antioxidants erabha,...Funda kabanzi -
Iyini iphuzu lokubilisa le-bisphenol a?
I-Bisphenol A (BPA), eyaziwa nangokuthi i-diphenylolpropane noma (4-hydroxyphenyl)propane, yakha amakristalu e-prismatic ku-ethanol encibilikisiwe kanye namakristalu afana nenaliti emanzini. Iyasha futhi inephunga elincane le-phenolic. Iphuzu layo lokuncibilika lingu-157.2°C, iphuzu le-flash lingu-79.4°C, kanti iphuzu lokubila le-bisphenol a lingu-2...Funda kabanzi -
Iyini i-Bisphenol A?
Ulwazi Oluyisisekelo lwe-Bisphenol A (bpa) I-Bisphenol A, eyaziwa nangokuthi i-BPA, iyinhlanganisela yezinto eziphilayo enefomula yama-molecule C₁₅H₁₆O₂. Kwezimboni, isetshenziswa ekukhiqizweni kwezinto ezifana ne-polycarbonate (PC) kanye nama-epoxy resins. Kusukela ngawo-1960, i-BPA ibilokhu isetshenziswa ekukhiqizweni kwepulasitiki...Funda kabanzi -
Ungayisebenzisa kanjani i-sodium hydrosulfite color remover?
Indlela Yokususa Amabala Endawo Yezingubo Ezimhlophe Indlela Yokucwilisa Indebe Ye-Sodium hydrosulfite Uma kukhona amabala asendaweni, sebenzisa indebe ehlanganisiwe ukuze ucwilise. Thela inani elithile lamanzi ashisayo (ngaphezu kuka-90°C) endebeni. Faka i-sodium hydrosulfite (okuhlushwa cishe okungu-2.5%) bese uvuselela ukuze kuncibilike. Faka...Funda kabanzi -
Yiziphi izinhlobo zokuba khona kwe-sodium dithionite?
Izakhiwo Zomzimba: I-Sodium dithionite ihlukaniswa njengento evuthayo yeBanga 1. Yaziwa nangokuthi i-Rongalite. Kwezentengiselwano, ikhona ngezindlela ezimbili: i-Na₂S₂O₄·2H₂O kanye ne-Na₂S₂O₄ engenamanzi. Eyokuqala iyikristalu emhlophe ecolekile, kanti eyesibili iyimpuphu ephuzi ekhanyayo. Ubuningi bayo obuhlobene...Funda kabanzi -
I-ejenti yokunciphisa: i-Sodium Hydrosulfite
I-Agent Yokunciphisa: I-Sodium Hydrosulfite Igama Lamakhemikhali: I-Sodium dithionite. Uma kuqhathaniswa nama-oxidizing agents, i-sodium hydrosulfite ibangela umonakalo omncane kakhulu ezindwangu. Ingasetshenziswa ezindwangu ezenziwe ngemicu eyahlukene ngaphandle kokulimaza, yingakho igama elithi “hydrosulfite” (okusho ukuphepha kwayo)....Funda kabanzi -
Iyini indima ye-sodium hydrosulfite emicu yezindwangu?
Ama-Fiber Afanelekela i-sodium hydrosulfite I-sodium hydrosulfite ifanelekela imicu ehlukahlukene yendwangu, yingakho ibizwa ngokuthi “i-Rongalite.” Uma isetshenziselwa ukumhlopheza noma ukususa amabala okushisa okuphezulu, imicu yendwangu kumele ikwazi ukumelana namazinga okushisa aphezulu ngaphandle kokulimala. Ngokwesiqiniseko...Funda kabanzi -
Yiziphi izingozi ze-sodium hydrosulfite?
I-sodium hydrosulfite inobuthi futhi ingacasula amehlo kanye ne-mucosa yomgudu wokuphefumula. Isetshenziswa kabanzi embonini yezindwangu ukunciphisa ukudaya, ukunciphisa ukuhlanza, ukuphrinta, ukususa umbala, kanye nokumhlophelisa usilika, uboya, inayiloni, nezinye izindwangu. Njengoba ingenazo izinsimbi ezisindayo, izindwangu zimhlophelisa...Funda kabanzi