Bayanan CAS 7365-45-9
An bayyana HEPES CAS 7365-45-9 a matsayin ɗaya daga cikin mafi kyawun maƙasudin maƙasudin da ake samu don binciken nazarin halittu. A pH na nazarin halittu, kwayoyin suna zwitterionic, kuma yana da tasiri a matsayin mai ɗaukar hoto a pH 6.8 zuwa 8.2 (pKa 7.55). Yawancin lokaci ana amfani dashi a al'adar tantanin halitta a maida hankali tsakanin 5mM zuwa 30 mM. An yi amfani da HEPES a aikace-aikace iri-iri, gami da al'adun nama. Ana amfani da ita don adana kafofin watsa labarai na al'adar salula a cikin iska. HEPES yana samun amfani da shi a cikin gwaje-gwajen in vitro akan Mg.
ITEM | STANDARD |
Bayyanar | farin crystalline foda |
Aikace-aikace | PH Manager |
PH darajar | 5.0-6.5 (1 Maqueous bayani) |
Fusing batu | 234-238 ° C |
Wurin tafasa | 408 ℃ [a 101 325 Pa] |
Girman tattarawa | 560kg/m3 |
Yawan yawa | 1.07 g/mL a 20 ° C |
Yanayin ajiya | 2-8 ° C |
Mara guba ga tantanin halitta. Ana amfani dashi azaman buffer ion hydrogen, wanda zai iya sarrafa kewayon pH akai-akai na dogon lokaci. Matsakaicin matakin shine 10-50 mmol / L. Gabaɗaya, 20mmol/LHEPES a cikin maganin gina jiki na iya samun ƙarfin buffer.
25kgs/Drum,9ton/20'kwantena,25kgs/jaka,20tons/20'kwantena.

Bayanan CAS 7365-45-9

Bayanan CAS 7365-45-9