Alumina (A/B/N)Kọlụm mmịpụta alumina siri ike / kọlụm SPE

Alumina bụ ahụkarị Lewis acid, Aluminom atom center enweghị eletrọn abụọ. Ọ nwere ike pola adsorbent, yiri nke silicone, E nwere atọ elu ọrụ etoju nke acidity, alkalinity na nnọpụiche; Alumina nwekwara mmetụta pụrụ iche na theπelectrons nke aromatic hydrocarbons, Ọ dị mma karịa silicone na ọnọdụ pH dị elu. Usoro njide bụ isi bụ lewis acid/base action, polarity na mgbanwe ion.

Aluminom acidNjirimara lewis acid nke alumina-A (pH = 4.5) ka emelitere, ụdị adsorbent a nwere njide ka mma maka ogige elektrọn bara ụba. Na mgbakwunye, mgbe pretreatment na acidic ngwọta, ndị adsorbent nwere adịghị ike cationic Njirimara, elu na-yikarịrị ka ọ na-ejigide na-anọpụ iche na-ezighị ezi ebubo bekee (dị ka electroneutral ma ọ bụ acidic anions), enweghị ike na-a nti charge.The adịghị ike ion mgbanwe onwunwe. na-emekwa ka ọ dị mfe idowe ihe ebubo na-adịghị mma.

Basic aluminaA na-akwado elu Alumina-B (pH=10) iji dowe ihe dị mma ma ọ bụ hydrogen - ihe ejikọtara. Aluminom oxide na-emeso ya na ngwọta alkaline nwere ihe ndị anionic na ọrụ mgbanwe cationic. Na mgbakwunye, ọ bụ ezie na elu nwere njirimara nke ntọala Lewis, enwere ike idowe ya maka nlele eletrọn, dị ka ogige amine na-anọpụ iche. Ikike dị obere maka alumina na-anọpụ iche na acidic. Na mgbakwunye, enwere ike ịchọta njikọ hydrogen siri ike na alumina-b, yabụ mmetụta nke ihe atụ cationic polar na-apụtakwa ìhè.

Alumina na-anọpụ icheAlumina-N (pH=7.5) bụkwa ihe mgbasa ozi pola siri ike. N'okpuru ọnọdụ pH dị elu, alumina kwụsiri ike karịa nke otu ọrụ na-enweghị njikọ. Ihe ndị dị mma na-eme ka arụmọrụ mmịpụta dị mma, yabụ obere akwa cylindrical (50mg) bụ ngwaahịa a na-ejikarị. Adsorbent na-anọpụ iche na eletriki ma na-achọ ijide ogige eletrọnịkị bara ụba dị ka amines aromatic na fatty. N'otu oge ahụ, enwekwara ike ijigide ogige ndị nwere otu electronegative dị ka ikuku oxygen, phosphorous na sọlfọ atom. Enwere ike iji alumina-N mee ihe maka mmịpụta na nkewa nke polar ma ọ bụ ihe ndị na-abụghị polar na ihe ndị na-edozi mmiri na ndị na-abụghị mmiri.

Uru ngwaahịa:

★ Product àgwà kwụsiri ike, ezi reproducibility, ibu ikwu ọkọlọtọ deviation (RSD) <5%.

★ The mbukota dị ọcha na e nweghị oghere ndabere nnyonye anya.

★ The mgbake ọnụego bụ elu, na mgbake ọnụego nke tinye sample 10 ~ 100ppm bụ ihe kasị mma nso nke 95% ~ 105%.

★ Product na-eri arụmọrụ bụ otu n'ime ndị kasị mma ngwaahịa na ụwa.

Oke ngwa:

★ Ala;mmanụ;Mmiri nke ahụ (plasma/urine wdg); nri; ọgwụ wdg.

Ngwa a na-ahụkarị:

★ Petroleum, sịntetik raw mmanụ distillates, sịntetik organic ogige.(N)

★ Sudan red, malachite green, vitamin, ọgwụ nje, mmanụ aromatic, enzymes, glycosides na hormones, wdg.(N)

★ nkewa nke ogige redioaktivu, ndị na-emepụta isotop.(A,B)

★ phospholipids, steroid, catecholamine.(B)

★ nri / nri mgbakwunye.(A,N)

★ pesticides, herbicides, nkewa nke mmetọ.(N,B)

★ Non-polar organic adsorbents, mmanụ na lipid nkewa

★ sịntetik organic ogige na-kewapụrụ.

★ Natural ngwaahịa, osisi pigmenti.

★ Japanese JPMHLW usoro ọrụ: pesticide na nri.

★ AOAC na EPA ụzọ.

Nkwenye mma:

★ Anyị na-ahụ na ọ bụla ngwaahịa bụ ruru eru, ịmụta siri àgwà akara ọkọlọtọ na-ebu ọ bụla ogbe nnyocha.

★ Gbaa mbọ hụ na ngwaahịa ọ bụla enweghị nnyonye anya oghere, na ọnụego mgbake sample dị elu karịa nke steeti, na-eru ọkwa kachasị elu nke otu ụdị ngwaahịa.

Nkwenye ọrụ:

★ Anyị na-enye nkwado teknuzu ọkachamara n'efu.

Ozi ịtụ