Amakuru y'inganda
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bisphenol a bpa ikoreshwa iki?
Bisphenol a bpa ikoreshwa cane mu guhingura ibikoresho bitandukanye vy’ivyuma, nk’ivyuma vy’ivyuma vy’ivyuma, ivyuma vy’ivyuma vy’ivyuma, ivyuma vy’ivyuma vy’ivyuma, ivyuma vy’ivyuma vy’ivyuma, ivyuma vy’ivyuma vy’ivyuma, ivyuma vy’ivyuma vy’ivyuma, ivyuma vy’ivyuma vy’ivyuma, ivyuma vy’ivyuma vy’ivyuma vy’ivyuma, ivyuma vy’ivyuma vy’ivyuma vy’ivyuma.Soma ibindi -
Ni igiki gitera ubushuhe bwa bisphenol a?
Bisphenol A (BPA), izwi kandi kw’izina rya diphenylolpropane canke (4-hydroxyphenyl)propane, ikora amabuye y’agaciro mu mazi y’ibitoke vy’umukara n’amabuye y’agaciro ameze nk’urushinge mu mazi. Irasha kandi ifise akamoto gatoyi k’ivya phenolic. Igishushanyo caco ni 157.2°C, igishushanyo c'umuriro ni 79.4°C, n'igishushanyo c'uguteka ca bisphenol a ni 2...Soma ibindi -
Bisfenol A ni iki?
Bisphenol A (bpa) Amakuru y’ishimikiro Bisphenol A, izwi kandi kw’izina rya BPA, ni ikirungo c’ibinyabuzima gifise umurongo w’ibinyabuzima C15H16O2. Mu nganda, ikoreshwa mu guhingura ibikoresho nk’ivyuma vyitwa polycarbonate (PC) n’ivyuma vyitwa epoxy. Kuva mu myaka ya 1960, BPA yarakoreshejwe mu guhingura amapulasitike...Soma ibindi -
Ni gute umuntu yokoresha igikoresho co gukuraho ibara ry’amazi y’amazi?
Uburyo bwo gukuraho amabara ahantu ku mpuzu zera Uburyo bwo gutonyanga igikombe c’amazi y’amazi Niba hari amabara ahantu, koresha igikombe gifise amabara kugira ngo ushiremwo. Suka amazi ashushe (arenga 90°C) mu gikombe. Wongeremwo sodium hydrosulfite (uburemere bugera kuri 2,5%) hanyuma uyivungure kugira ngo ivyure. Kwibikira...Soma ibindi -
Ni uburyo ubuhe bwo kubaho kw’ivyo bita sodium dithionite?
Ivyiza vy’umubiri: Sodium dithionite iri mu rwego rwa mbere rw’ikintu gishobora kwaka. Izwi kandi kw’izina rya Rongalite Mu vy’ubudandaji, iri mu buryo bubiri: Na2S2O4·2H2O n’iyitwa Na2S2O4 idafise amazi. Ica mbere ni ikibiriti ciza cane c’umweru, ica kabiri na co kikaba ari ifu y’umuhondo ukeye. Uburemere bwayo ni...Soma ibindi -
Igikoresho co kugabanya: Sodiyumu y'amazi
Igikoresho co kugabanya: Sodiyumu Hidrosulfite Izina ry’imiti: Sodiyumu dithionite. Ugereranije n’ibintu bitera umwuka, sodium hydrosulfite ntiyonona cane imyenda. Ishobora gukoreshwa ku mpuzu zikozwe mu nsinga zitandukanye ata co zitera, ni co gituma yitwa “hydrosulfite” (bisobanura ko ataco ihungabanya). Ico...Soma ibindi -
Ni uruhara uruhe rw’ivyuma bita sodium hydrosulfite mu nsinga z’impuzu?
Inyuguti zibereye zo gukoresha mu gukora intsinga zitandukanye z’impuzu, ni co gituma yitwa “Rongalite.” Iyo zikoreshejwe mu gusukura canke gukuraho amabara mu bushuhe bwinshi, izo nsinga zitegerezwa kuba zishobora kwihanganira ubushuhe bwinshi ata co zononekaye. Ku bijanye n'icete...Soma ibindi -
Ni ingorane izihe ziterwa n’ivyo bita sodium hydrosulfite?
Sodium hydrosulfite ni ubumara kandi irashobora gutera umubabaro amaso n’umubiri w’umubiri. Ikoreshwa cane mu bijanye n’impuzu mu gutera ibara ry’impuzu, mu gusukura ibara ry’impuzu, mu gucapura, mu gukuraho ibara ry’impuzu no mu guhindura ibara ry’impuzu ry’ubudodo, ubwoya, nylon n’ibindi. Kubera ko ata vyuma biremerera birimwo, ibitambaro vyera...Soma ibindi -
None bizogenda gute iyo hydrosulfite ya sodium ishikiwe n’ikirere?
Iyo iyo sodium hydrosulfite iri mu kirere, iranywa umwuka w’ikirere bitagoranye maze igaca igira umwuka w’ikirere. Iranywa kandi ubukonje, igatuma haba ubushuhe kandi igatuma umuntu yononeka. Ishobora kwifatanya mu gihe inywa umwuka w’ikirere (oxygène) maze igatanga akamoto k’aside akaze cane. Na2S2O4 + 2H2O + O2 → 2NaHSO4 + 2[H] Gushusha canke gushirwa ahabona...Soma ibindi -
Ni ibihe bintu vy’umubiri vy’ivyuma vy’amazi bita sodium hydrosulfite?
Sodium hydrosulfite Physical Properties Sodium hydrosulfite is classified as a Grade 1 moisture-sensitive flammable substance, also known as sodium dithionite. Igurishwa mu buryo bubiri: ifise amazi (Na2S2O4·2H2O) n’iyitagira amazi (Na2S2O4). Igishushanyo c'amazi kigaragara nk'ikibiriti c'umweru mwiza...Soma ibindi -
Ni ivyiza ibihe vyo gukoresha hydrosulfite ya sodium nk’ikintu kigabanya ububabare?
Igikoresho co kugabanya (Rongalite) Izina ry’imiti: Sodium hydrosulfite Ugereranije n’ibintu bigabanya umwuka, Rongalite ntiyonona cane imyenda. Ishobora gukoreshwa ku mpuzu zikozwe mu nsinga zitandukanye zitagira ico zikoze, ni co gituma yitwa “Rongalite” (risobanura “ifu itekanye” mu gishinwa)...Soma ibindi -
Ni gute amashirahamwe akwiye gucungera ivyuma vy’amazi bita sodium?
Gusaba amashirahamwe gushiramwo uburyo bwo kugenzura abakozi babiri, uburyo bwo kugenzura ivyuma bibiri vy’amazi y’amazi. Ica mbere, ububiko butegerezwa kuba bufise abakozi bashinzwe kuburongora kandi bugashira mu ngiro uburyo bwo gufunga abakozi babiri, uburyo bwo gufunga bubiri. Ica kabiri, umukozi ajejwe amasoko ategerezwa kugenzura ubwinshi, uburyo, n'ibintu bibereye...Soma ibindi