I-High-Performance Liquid Chromatography (HPLC) ye-Propionic Acid
Ithuluzi eliyinhloko lale ndlela yi-chromatograph yoketshezi esebenza kahle kakhulu. Ithuluzi kumele futhi lilinganiswe, kukhethwe ikholomu efanele kanye nesigaba esihambayo. Ukuze kutholakale i-propionic acid, kuvame ukusetshenziswa ikholomu yesigaba esibuyiselwe emuva se-C18. Isigaba esihambayo ngokuvamile siyingxube yamanzi kanye nesinyibilikisi se-organic (njenge-methanol) ngesilinganiso esinqunyiwe, kanye nosawoti we-buffer ofanele (isb., i-potassium dihydrogen phosphate) ongeziwe ukulungisa i-pH nokuqinisekisa ukuhlukaniswa okuhle. Uma sibheka ukutholakala kwe-propionic acid ezimonyweni njengesibonelo, isampula yezimonyo iqale iphathwe kusengaphambili (isb., ihlanjululwe, ihlungwe) ukuze kususwe ukungcola okungase kuphazamise ukutholakala. Isampula ephathwayo bese ifakwa ku-chromatograph yoketshezi esebenza kahle kakhulu. Ngesikhathi sokusebenza, isigaba esihambayo sithwala isampula ngekholomu, lapho i-propionic acid ihlukaniswa khona nezinye izingxenye ngokuhlukanisa okuningi phakathi kwezigaba ezimile nezihambayo. I-UV-Vis detector ingasetshenziswa, njengoba i-propionic acid imunca ukukhanya kuma-wavelength athile. Ngokulinganisa ukumuncwa kwe-propionic acid kuma-wavelength athile bese uyiqhathanisa ne-standard curve, okuqukethwe kwe-propionic acid kusampula kunganqunywa. Ijika elijwayelekile lakhiwa ngokuhlaziya uchungechunge lwezixazululo ezijwayelekile ze-propionic acid zamazinga aziwayo, ngokugxila ku-x-axis kanye nokumuncwa ku-y-axis.

I-Shandong Pulisi Chemical Propionic Acid – Ukuhlanzeka Okuphezulu Nokunikezwa Okuthembekile     info@pulisichem.cn
I-Shandong Pulisi Chemical Co., Ltd. ihlinzeka nge-propionic acid esezingeni eliphezulu (i-CAS 79-09-4, ubumsulwa obuyi-≥99.5%), i-carboxylic acid eguquguqukayo enezakhiwo zamakhemikhali ezizinzile kanye nokusebenza okuhambisanayo. I-propionic acid yethu iwuketshezi oluguquguqukayo olucacile, olungenambala, olukhiqizwa ngaphansi kwezindinganiso eziqinile ze-ISO ukuqinisekisa ukungcola okuphansi kanye nokuhambisana okuphezulu kuzo zonke izinhlelo zokusebenza zezimboni.
Isetshenziswa kabanzi njengesivikelo sekhwalithi ephezulu, isivimbeli sokukhunta, kanye nesithako samakhemikhali, ihamba phambili ekugcinweni kokudla kwezilwane nokusanhlamvu, izithasiselo zokudla, ukwenziwa kwemithi, ukukhiqizwa kwezibulala-zinambuzane, kanye nokukhiqizwa kwepulasitiki. Ngokumelana nokugqwala okunamandla kanye nekhwalithi ethembekile, umkhiqizo wethu uhlangabezana nezidingo ezahlukahlukene zezimboni ngenkathi usekela izinqubo zokukhiqiza eziphephile nezisebenzayo.
Sinikeza izinketho zokupakisha eziguquguqukayo: izigubhu zepulasitiki ezingama-200kg, amathangi e-IBC angama-1000kg, kanye namathangi e-ISO, okuqinisekisa ukuthuthwa okuphephile kanye nokuhanjiswa kwempahla okungabizi kakhulu kumakhasimende omhlaba wonke. Njengomhlinzeki wamakhemikhali waseShayina othembekile, sinamathela ekulawulweni kwekhwalithi okuqinile, sinikeza ukwesekwa kobuchwepheshe obuchwepheshile, futhi sinikeza izintambo zokuhlinzeka ezizinzile ukuze kuthuthukiswe ibhizinisi lakho.

https://www.pulisichem.com/factory-price-99-5-propionic-acid-cas-79-09-4-propionic-acid-for-food-preservatives-product/