Sizibophezele ekukunikezeni intengo encintisanayo, imikhiqizo emangalisayo emihle kakhulu, kanye nokulethwa okusheshayo komkhiqizi waseShayina othengisa i-99.5% Propionic Acid CAS 79-09-4 ngentengo yasefektri, ngaso sonke isikhathi, besilokhu sinaka yonke imininingwane ukuqinisekisa ukuthi umkhiqizo ngamunye uyaneliswa amakhasimende ethu.
Sizibophezele ekukunikezeni intengo encintisanayo, imikhiqizo emangalisayo emihle kakhulu, kanye nokulethwa okusheshayo, Inqubomgomo yeNkampani yethu "ikhwalithi kuqala, ukuba ngcono futhi kuqine, intuthuko esimeme". Imigomo yethu yokuphishekela "umphakathi, amakhasimende, abasebenzi, ozakwethu kanye namabhizinisi bafune inzuzo efanele". Sifisa ukubambisana nabo bonke abakhiqizi bezingxenye zezimoto, isitolo sokulungisa, ontanga bezimoto, bese sidala ikusasa elihle! Siyabonga ngokuthatha isikhathi sokuphequlula iwebhusayithi yethu futhi singamukela noma yiziphi iziphakamiso onazo ezingasisiza ukuthuthukisa iwebhusayithi yethu.
Ukuhlaziywa Kwesakhiwo Sefomula Yekhemikhali Ye-Propionic Acid
Ngokombono wesakhiwo sama-molecule, ifomula ye-propionic acid i-CH₃CH₂COOH ingahlukaniswa ibe yizingxenye ezintathu eziyinhloko. Iqembu le-methyl eliyi-terminal (CH₃–) libonisa izici ze-alkyl ezigcwele, iqembu le-methylene eliphakathi (–CH₂–) lisebenza njengeyunithi yokuxhuma, kanti iqembu le-carboxyl (–COOH) linikeza i-molecule izakhiwo zayo ezijwayelekile ze-acid. Lokhu kuhlelwa kwesakhiwo kusho ukuthi i-propionic acid ibonisa zombili izakhiwo ezithile ezifana ne-alkane kanye nokusabela kwe-carboxylic acid ejwayelekile.
Ngokwendawo, i-molecule ye-propionic acid inokwakheka okulula okuqondile. I-C=O double bond kanye neqembu le-hydroxyl le--OH eqenjini le-carboxyl zakha isakhiwo se-coplanar, kuyilapho i-alkyl chain ithatha i-tetrahedral geometry nge-sp³ hybridization. Lesi sakhiwo sinikeza i-molecule i-polarity ephakathi nendawo, echaza ukungafani kwayo namanzi ngenkathi igcina ukuhambisana nezinyibilikisi ezingezona i-polar njenge-diethyl ether kanye ne-chloroform.
Okuphawulekayo ukuthi i-carboxyl hydrogen ku-propionic acid ihlukana kancane kwisisombululo samanzi, ikhipha ama-ion e-H⁺ bese yakha ama-propionate anions (CH₃CH₂COO⁻). Lokhu kuhlukana kuholela ku-pKa engu-4.87 (ku-25°C), okwenza kube yi-acid ebuthakathaka ejwayelekile. Lokhu kuziphatha kwe-acid-base kubalulekile ekusetshenzisweni kwayo okuningi, ikakhulukazi njengesivikelo sokudla, lapho isimo sayo sama-molecule esingahlukanisiwe singangena ngempumelelo kakhulu kuma-membrane esisele e-microbial.