Chanchinthar
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Engtin nge bisphenol A BPA hi a khaikhawm?
Bisphenol A BPA chungchang thlirletna Kum 1936 khan synthetic estrogen anga siam a nih tirh khan bisphenol A (BPA) hi kum khatah pound tluklehdingawn 6 aia tam siam a ni tawh a ni. Bisphenol A BPA hi polycarbonate plastic siamna atana hman a ni ber a, hei hi baby b...Chhiar belh rawh -
Bisphenol A hi downstream-a hman tur engte nge ni?
polycarbonate leh epoxy resins te a awm bawk. Engineering plastic pawimawh tak tak polysulfone siamnaah pawh hman a ni a, chubakah tetrabromobisphenol A siamnaah pawh hman a ni a, hei hi kangmei venna atana hman lar tak a ni. Polycarbonate (bisphenol A ei tam ber) hi a thlum lo, rimtui lo, toxic lo, leh tran...Chhiar belh rawh -
bisphenol a bpa hi eng atan nge hman?
Bisphenol a bpa hi polymer material hrang hrang siamnaah hman a ni nasa hle a, chungte chu epoxy resins, polycarbonates, polysulfones, phenolic unsaturated resins, polyphenylene ether resins, polyaryl compound, polyetherimides, tetrabromobisphenol A, PVC heat stabilizer, rubber antioxidants, agricu.Chhiar belh rawh -
Bisphenol a boiling point chu eng nge ni?
Bisphenol A (BPA), diphenylolpropane emaw (4-hydroxyphenyl)propane tia hriat bawk hian dilute ethanol-ah prismatic crystal a siam a, tuiah needle ang chi crystal a siam bawk. A kang thei a, phenolic rimtui lo tak a nei bawk. A melting point chu 157.2°C a ni a, flash point chu 79.4°C a ni a, bisphenol a boiling point chu 2...Chhiar belh rawh -
Bisphenol A chu eng nge ni?
Bisphenol A (bpa) Thu bulpui Bisphenol A, BPA tia hriat bawk hi organic compound a ni a, a molecular formula C15H13O2 a ni. Industrial lamah chuan polycarbonate (PC) leh epoxy resins ang chi thil siamnaah hman a ni. Kum 1960 chho atang khan BPA hi plast...Chhiar belh rawh -
Sodium hydrosulfite color remover hi engtin nge kan hman ang?
White Garments atana Localized Stain Stripping Method Sodium hydrosulfite Cup Soaking Method Localized stain a awm chuan graduated cup hmangin soaking tur a ni. Cup chhungah hian tui lum (90°C aia sang) engemaw zat theh lut ang che. Sodium hydrosulfite (concentration approx. 2.5%) dah la, a hmin theih nan stir rawh. Immer-ah chuan...Chhiar belh rawh -
Sodium dithionite awmna chi hrang hrangte chu engte nge ni?
Taksa lam thil: Sodium dithionite hi Grade 1 flammable substance-ah dah a ni. Rongalite tia hriat a ni bawk Sumdawnna lamah chuan chi hnih a awm a, chungte chu Na2S2O4·2H2O leh anhydrous Na2S2O4 te an ni. A hmasa zawk hi crystal dum tha tak a ni a, a hnuhnung zawk hi light yellow powder a ni thung. A relative density chu...Chhiar belh rawh -
A tihtlemtu: Sodium Hydrosulfite a ni
A tihtlemtu: Sodium Hydrosulfite Chemical Hming: Sodium dithionite. Oxidizing agents nena khaikhin chuan sodium hydrosulfite hian puan a tichhia tlem zawk hle. Fiber hrang hranga siam textile-ah pawh chhiatna thlen lovin hman theih a ni a, chuvang chuan “hydrosulfite” (a himna tilangtu) tih hming a pu ta a ni. Chumi...Chhiar belh rawh -
Textile fiber-a sodium hydrosulfite hian eng hna nge a thawh?
Sodium hydrosulfite atana Fiber tha tak tak sodium hydrosulfite hi textile fiber hrang hrang atan a tha a, chuvang chuan a hmingah “Rongalite” tih a ni. High-temperature bleaching emaw stain removal emaw atana hman a nih chuan fabric fibers te hian temperature sang tak pawh a chhe lo thei tur a ni. Certif lam hawi chuan...Chhiar belh rawh -
Sodium hydrosulfite hian eng hlauhawmna nge a neih?
Sodium hydrosulfite hi toxic a ni a, mit leh thawkna kawng mucosa a ti na thei a ni. Textile industry-ah chuan reduction dyeing, reduction cleaning, printing, decolorizing, leh silk, wool, nylon leh puan dangte bleaching atan hman a ni nasa hle. Heavy metals a awm loh avangin fabrics bleached wit...Chhiar belh rawh -
Sodium hydrosulfite hi boruakah a awm chuan eng nge thleng ang?
Thli-a a awm chuan sodium hydrosulfite hian oxygen a hip lut awlsam a, a oxidize bawk. Tin, tui a hip lut bawk a, lumna a siam a, a chhe thei bawk. Atmospheric oxygen a hip laiin a inzawm khawm thei a, acidic rim na tak a chhuah thei bawk. Na2S2O4 + 2H2O + O2 → 2NaHSO4 + 2[H] A lum emaw, a chhuahna emaw...Chhiar belh rawh -
Sodium hydrosulfite hian eng physical property nge a neih?
Sodium hydrosulfite Taksa lam thil Sodium hydrosulfite hi Grade 1 moisture-sensitive flammable substance-ah dah a ni a, sodium dithionite tia hriat bawk a ni. Sumdawnna lamah chi hnih a awm a, chungte chu hydrated (Na2S2O4·2H2O) leh anhydrous (Na2S2O4) te an ni. Hydrated form chu fine white cryst angin a lang...Chhiar belh rawh