Amakuru
-
Bisphenol bpa ikoreshwa iki?
Bisphenol a bpa ikoreshwa cyane mu gukora ibikoresho bitandukanye bya polymer, nka epoxy resins, polycarbonates, polysulfones, phenolic unsaturated resins, polyphenylene ether resins, polyaryl compounds, polyetherimides, tetrabromobisphenol A, PVC bushyuhe stabilizers, rubber antioxidants, agricu...Soma byinshi -
Igipimo cyo kubira cya bisphenol a ni iki?
Bisphenol A (BPA), izwi kandi nka diphenylolpropane cyangwa (4-hydroxyphenyl)propane, ikora kristu za prismatic muri ethanol ivanze n'utubuye duto mu mazi. Irashya kandi ifite impumuro ntoya ya phenolic. Ingano yayo yo gushonga ni 157.2°C, ingano ya flash ni 79.4°C, naho ingano ya bisphenol a ni 2...Soma byinshi -
Bisphenol A ni iki?
Amakuru y'ibanze ya Bisphenol A (bpa) Bisphenol A, izwi kandi nka BPA, ni imvange y'ibinyabuzima ifite formula ya molekile C₁₅H₁₆O₂. Mu nganda, ikoreshwa mu gukora ibikoresho nka polycarbonate (PC) na epoxy resins. Kuva mu myaka ya 1960, BPA yakoreshejwe mu gukora plast...Soma byinshi -
Ni gute wakoresha irangi rikuraho sodium hydrosulfite?
Uburyo bwo gukuraho ibara ry’aho hantu ku myenda yera Uburyo bwo kuvoma mu gikombe cya sodium hydrosulfite Niba hari ibara ry’aho hantu, koresha igikombe cyarangiye mu kuvoma. Suka amazi ashyushye runaka (arenga 90°C) mu gikombe. Shyiramo sodium hydrosulfite (ubushyuhe bugera kuri 2.5%) hanyuma uvange kugira ngo bishonge. Injiza...Soma byinshi -
Ni ubuhe buryo bwo kubaho kwa sodium dithionite?
Imiterere ifatika: Sodium dithionite ishyirwa mu cyiciro cya mbere cy'ibintu bishobora gushya. Izwi kandi nka Rongalite. Mu bucuruzi, iboneka mu buryo bubiri: Na₂S₂O₄·2H₂O na Na₂S₂O₄ idafite amazi. Iya mbere ni kristu nziza y'umweru, mu gihe iya nyuma ari ifu y'umuhondo woroshye. Ubucucike bwayo ni...Soma byinshi -
Umuti ugabanya: Sodium Hydrosulfite
Umuti ugabanya: Sodium Hydrosulfite Izina rya Kemikali: Sodium dithionite. Ugereranyije n'ibintu bigabanya ogisijeni, sodium hydrosulfite ntigira ingaruka mbi cyane ku myenda. Ishobora gukoreshwa ku myenda ikozwe mu nsinga zitandukanye nta ngaruka mbi yangiza, niyo mpamvu yitwa "hydrosulfite" (bisobanura umutekano wayo). Ni...Soma byinshi -
Ni uruhe ruhare rwa sodium hydrosulfite mu migozi y'imyenda?
Fibre zikwiriye sodium hydrosulfite sodium hydrosulfite zikwiriye imigozi itandukanye y'imyenda, niyo mpamvu yitwa "Rongalite." Iyo zikoreshejwe mu gusiba cyangwa gukuraho ibara ry'umutuku mu bushyuhe bwinshi, imigozi y'imyenda igomba kuba ishobora kwihanganira ubushyuhe bwinshi nta kwangirika. Ku bijyanye n'icyemezo...Soma byinshi -
Ni izihe ngaruka mbi za sodium hydrosulfite?
Sodium hydrosulfite ni uburozi kandi ishobora gukurura amaso n'imiyoboro y'ubuhumekero. Ikoreshwa cyane mu nganda z'imyenda mu kugabanya irangi, kugabanya isuku, gucapa, gukuraho ibara, no gusibanganya imyenda ya silk, ubwoya, nayiloni n'indi myenda. Kubera ko idafite ibyuma biremereye, imyenda irasibanganya ...Soma byinshi -
Bizagenda bite niba sodium hydrosulfite ishyizwe mu kirere?
Iyo ishyizwe mu mwuka, sodium hydrosulfite ifata ogisijeni kandi ikongera ogisijeni. Ifata kandi ubushuhe, igatanga ubushyuhe bigatuma ibora. Ishobora kwishyira hamwe mu gihe ifata ogisijeni yo mu kirere igasohora impumuro ikaze ya aside. Na₂S₂O₄ + 2H₂O + O₂ → 2NaHSO₄ + 2[H] Gushyushya cyangwa guhura n'ibintu...Soma byinshi -
Ni iyihe miterere ifatika ya sodium hydrosulfite?
Sodium hydrosulfite Imiterere y'umubiri Sodium hydrosulfite ishyirwa mu cyiciro cya 1 cy'ibintu bishobora gushya bidapfa gushya, bizwi kandi nka sodium dithionite. Iboneka ku isoko mu buryo bubiri: ifite amazi (Na₂S₂O₄·2H₂O) na anhydrous (Na₂S₂O₄). Ifite amazi isa n'iy'umweru mwiza ...Soma byinshi -
Ni izihe nyungu zo gukoresha sodium hydrosulfite nk'ikintu kigabanya ubukana bw'ibinure?
Umuti ugabanya (Rongalite) Izina rya Kimike: Sodium hydrosulfite Ugereranyije n'ibintu bigabanya ogisijeni, Rongalite itera kwangirika guke cyane ku myenda. Ishobora gukoreshwa ku myenda ikozwe mu migozi itandukanye nta ngaruka mbi yangiza, niyo mpamvu izina "Rongalite" (bisobanura "ifu itekanye" mu Gishinwa)...Soma byinshi -
Ni gute ibigo bigomba gucunga sodium hydrosulfite?
Gusaba ibigo gushyira mu bikorwa sisitemu y’abakozi babiri, igenzura kabiri kuri sodium hydrosulfite. Ubwa mbere, ububiko bugomba kugira abakozi babigenewe bashinzwe ubuyobozi kandi bugashyira mu bikorwa sisitemu y’abakozi babiri, ifunga kabiri. Icya kabiri, umukozi ushinzwe amasoko agomba kugenzura ingano, ubwiza, n’ibikenewe...Soma byinshi