HEPBS Cas: 161308-36-7 N- (2-Hydroxyethyl) piperazine- N'- (4-butanesulfonic acid) White crystalline ntụ ntụ 99%
Nọmba katalọgụ | XD90100 |
Aha ngwaahịa | HEPBS |
CAS | 161308-36-7 |
Usoro ihe omimi | C10H22N2O4S |
Ibu molekụla | 266.36 |
Nkọwa nchekwa | Ambient |
Koodu tarifu akwadoro | 2933599090 |
Nkọwapụta ngwaahịa
Ọdịdị | White crystalline ntụ ntụ |
Asay | ≥ 99% |
Okpomọkụ nchekwa | Ụlọ ahịa na RT |
Ebe mgbaze | 211-216 Celsius C |
Ọnụọgụ acidity (pKa) | 8.3 (na 25 ℃) |
Anyị ghọtara mkpa ọ dị ichekwa iguzosi ike n'ezi ihe nke biomolecules gị na reagents site na iji sistemu nchekwa ziri ezi.Ihe nchekwa ndụ anyị na-enye nkwụsi ike na njikwa pH na-etinyeghị aka na usoro ndu, ma na-enye nnu na nri dị mkpa maka sel na anụ ahụ.Sistemụ nchekwa anyị dị elu nwere ike wetara gị nkwụsi ike dị egwu na omenala cell, mmeghachi omume polymerase chain (PCR), nyocha ọgwụ, bioprocessing, ịdị ọcha na ngwa nhazi ikpeazụ.Enwere ike ịgbatị ngwaahịa anyị niile site na nyocha mbụ gaa na ngwa azụmahịa n'ọkwa nchekwa dị iche iche.Anyị na-enye ọtụtụ nhazi nkwakọ ngwaahịa, ngwakọta omenala, na ọbụna nhazi mmiri mmiri.
Anyị na-enyekwa nhọrọ zuru oke nke biochemicals dị elu n'ụdị akara ule bara uru yana n'ụdị dị iche iche nke nkwakọ ngwaahịa ọhụrụ, enyi na enyi.Na mgbakwunye na ngwaahịa ndị na-anọghị na shelf, anyị na-enye nrụpụta reagent omenala, ngwakọta na nkwakọ ngwaahịa iji gboo mkpa gị.
Ụkpụrụ na-arụ ọrụ na pH uru nke ngwọta nkwụsị mgbe a na-agbakwunye ụfọdụ acid na alkali na ụfọdụ ngwọta, ọ na-enwe mmetụta nke igbochi pH mgbanwe nke ngwọta, nke a na-akpọ mmetụta buffering.A na-akpọ ngwọta dị otú ahụ ihe ngwọta nchekwa.Ngwakọta ngwakọta nke acid na-adịghị ike na nnu ha (dị ka HAc na NaAc), na ngwọta agwakọta nke ntọala adịghị ike na nnu ha (dị ka NH3 · H2O na NH4Cl) bụ ngwọta nchekwa.Mmetụta nchikota nke ihe nkpuchi buffer nke nwere acid HA na-adịghị ike na nnu NaA na acid bụ n'ihi ọnụnọ nke oke alkali A- na ngwọta.Mgbe agbakwunyere ụfọdụ acid siri ike na ngwọta a, ion H na-eri site na A-ion: ya mere pH nke ngwọta fọrọ nke nta ka ọ ghara ịgbanwe;mgbe agbakwunyere ụfọdụ isi ihe siri ike, acid HA na-adịghị ike dị na ngwọta na-eri OH-ions na-egbochi mgbanwe nke pH.