Thawngpang
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Bisphenol A BPA cu zeitindah a tawinak in chim a si?
Bisphenol A BPA kong a tlangpi in 1936 ah sermi estrogen in chuahmi, bisphenol A (BPA) cu atu ah kum khat ah pound 6 billion leng in ser a si cang. Bisphenol A BPA cu a tlangpi in polycarbonate plastic saknak caah hmanmi a si, cu thilri hna cu ngakchia b...Tam deuh rel -
Bisphenol A a tanglei hmannak hna cu zeidah an si?
polycarbonate le epoxy resins. Cun, polysulfone tibantuk a biapi mi engineering plastic sernak ah hman a si, cun meikangh khamnak sii ah tampi hmanmi tetrabromobisphenol A zong a si. Polycarbonate (bisphenol A a hmang bikmi) cu a thlum lo, rim a ngei lo, a thurhnawm lo, cun a thiang lomi a si.Tam deuh rel -
bisphenol a bpa cu zei caah dah hman a si?
Bisphenol a bpa cu polymer thilri phunphun sernak ah tampi hman a si, cu hna cu epoxy resins, polycarbonates, polysulfones, phenolic unsaturated resins, polyphenylene ether resins, polyaryl compounds, polyetherimides, tetrabromobisphenol A, PVC heat stabilizers, agricuber antioxidants...Tam deuh rel -
Bisphenol a a linnak cu zeizat dah a si?
Bisphenol A (BPA), diphenylolpropane asiloah (4-hydroxyphenyl)propane tiah auhmi zong nih, a tlawmmi ethanol ah prismatic crystals le ti chungah hri bantuk a simi crystals a ser. A kang khomi a si i a tlawmmi phenolic rim a ngei. A lumternak cu 157.2°C a si, a linnak cu 79.4°C a si, cun bisphenol a a lumnak cu 2...Tam deuh rel -
Bisphenol A cu zeidah a si?
Bisphenol A (bpa) A hrampi konglam Bisphenol A, BPA tiah auhmi zong cu, molecule formula C11H16O2 a ngeimi organic compound a si. Chawlehthalnak ah, polycarbonate (PC) le epoxy resins tibantuk thilri sernak ah hman a si. 1960s thawk khan, BPA cu plast...Tam deuh rel -
Sodium hydrosulfite rong hlohnak cu zeitindah hman ding a si?
Thilthuam rang caah hmunkhat ah thurhnawmhnak hlonh ning Sodium hydrosulfite hrai hnimhnak lam hmunkhat ah thurhnawmhnak a um ahcun, hnimhnak caah a tlawm deuhmi hrai hmang. Ti lum tlawmpal (90°C cung) kha hrai chungah rawn. Sodium hydrosulfite (a tlawmtam 2.5% hrawng) cawh law a cawh khawh nakhnga cawh. Immer...Tam deuh rel -
Sodium dithionite a umnak phun hna cu zeidah an si?
A sining: Sodium dithionite cu Grade 1 a kang khomi thilri ah chiah a si. Rongalite tiah auhmi zong a si. Chawlehnak lei ah, phun hnih in a um: Na2S2O4·2H2O le ti a ngei lomi Na2S2O4. A hmasa bik cu a rangmi lungvar ttha a si, cun a hnu bik cu a senmi vutcam a si. A tlukruannak cu...Tam deuh rel -
Tlawmternak thilri: Sodium Hydrosulfite
Tlawmternak thilri: Sodium Hydrosulfite Chemical min: Sodium dithionite. Oxidizing agents he tahchunh ahcun, sodium hydrosulfite nih puan pawl a hrawh tlawm deuh. Fiber phunphun in sermi thilpuan ah fahnak pe loin hman khawh a si, cucaah “hydrosulfite” (a himnak a langhtermi) tiah min an sak. Thil...Tam deuh rel -
Thilpuan hri ah sodium hydrosulfite nih zeidah a ttuanvo a si?
Sodium hydrosulfite caah aa tlakmi hri hna sodium hydrosulfite cu thilthuam hri phunphun caah aa tlak, cucaah a min cu “Rongalite” tiah auh a si. A lum tukmi rangternak asiloah thurhnawmhnak hlohnak caah hman tikah, puan hri pawl cu rawhralnak um loin lum tuknak kha a tuar khawh a hau. Certificate lei ah...Tam deuh rel -
Sodium hydrosulfite nih a chuahpimi ttihnung hna cu zeidah an si?
Sodium hydrosulfite cu a poi i mit le thawchuahnak lam vun a fahter khawh. Thilpuan sernak ah a tlawm deuhmi rong thlennak, a tlawm deuhmi thianhnak, cauk chuahnak, rong thlennak, le puan, tuuhmul, nylon le a dang puan hna caah a tam deuh in hman a si. Thir rit aa tel lo caah, puan pawl cu...Tam deuh rel -
Sodium hydrosulfite cu thli ah a chuah ahcun zeidah a cang lai?
Thli he aa pehtlaih tikah, sodium hydrosulfite nih oxygen kha fawi tein a lak i a rawk. Cun ti zong a lak, lumnak a chuahter i rawhnak a chuahter. Thli chung oxygen a lak lio ah aa fonh khawh i a rim a nam tukmi a chuahter khawh. Na2S2O4 + 2H2O + O2 → 2NaHSO4 + 2[H] Lungthawhnak asiloah langhternak...Tam deuh rel -
Sodium hydrosulfite a taksa sining hna cu zeidah an si?
Sodium hydrosulfite Physical Properties Sodium hydrosulfite cu Grade 1 ti a tuar khomi meikhu a chuahter khomi thilri ah tthen a si, sodium dithionite tiah auhmi zong a si. Chawlehnak ah phun hnih in hmuh khawh a si: ti (Na2S2O4·2H2O) le ti um lomi (Na2S2O4). Ti a tlawmmi phun cu a rangmi lungvar bantuk in a lang...Tam deuh rel