I-CMC ihlala iyindawo ye-antion polymer elungiselelwe ngokuphendula kwi-sellyuli yendalo kunye ne-caustic alkali kunye ne-monolothorocetic acid, kunye nobunzima bemoya ye-6400 (± 1 000). Eyona nto iphambili kwiimveliso ze-sodium chloride kunye ne-sodium glycolate. I-CMC yeyokutshekishwa kwendalo yeselfowuni. Ibizwa ngokuba yi "I-Selerimed Selelose" ngumbutho wokutya nezoLimo kwiZizwe eziManyeneyo (iFao) kunye noMbutho wezeMpilo weHlabathi (WHO).
Umgangatho
Ezona zikhombisi ziphambili zokulinganisa umgangatho we-CMC liyinqanaba lokufakwa endaweni (DS) nokucoceka. Ngokubanzi, iipropathi ze-CMC zahlukile xa i-DS yahlukile; Ukuphakama kwenqanaba lokufakwa endaweni, kungcono ukunyibilisela, kwaye kungcono ukubonakaliswa kunye nokuzinza kwesisombululo. Ngokwengxelo, ukucaca kwe-CMC kungcono xa inqanaba lokufakwa endaweni yi-0.7-12, kunye nokugcinwa kwesisombululo se-AICTOO esongeyona nto ibaluleke kakhulu xa ixabiso le-pH lingu-6-9. Ukuze kuqinisekiswe umgangatho wayo, ukongeza ekukhetheni iarhente yokuthetha, ezinye izinto ezichaphazela i-Alkali kunye ne-Arhente yamanzi, iXesha lamanzi, ukugxininiswa kwesisombululo, isisombululo, isisombululo, isisombululo, isisombululo, isisombululo.
Uhlalutyo lwezibonelelo kunye nezinto eziluncedo kwi-sodium yebhokisi ye-sodiumdymethyl seluplose
Ukuphuhliswa kwe-sodium yebhokisi ye-sodium ye-sodium ye-sodboxymethyl seluplose yinto engazange ibonwe. Ingakumbi kwiminyaka yakutshanje, ukwandiswa kweendawo zesicelo kunye nokuncitshiswa kweendleko zemveliso zenze ukwenziwa kwe-carboxethmethyl ye-caluplose yeselutase ye-selly Iimveliso zentengiso zixutywe.
Emva koko, indlela yokufumanisa umgangatho we-Sodium Carboxymethyl Selelose, sihlalutya ukulindeleka komzimba kunye neekhemikhali:
Okokuqala, inokuphawulwa kwiqondo lobushushu. Iqondo lokushisa ngokubanzi le-Sodium Carboxymethyl Selelose ye-280-300 ° C. Xa isekwe ngaphambi kokuba iqondo lifikeleleke, le mveliso ineengxaki. (Ikharbhonization ngokubanzi isebenzisa iziko le-muffle)
Okwesibini, ukwahlula-hlulwa ngamaqondo obushushu awo anokwazi. Ngokubanzi, i-Sodium Carboxymethyl Selelose iya kutshintsha umbala xa ifikelela kubushushu obuthile. Uluhlu lobushushu luyi-190-200 ° C.
Okwesithathu, kunokubonwa kwimbonakalo yawo. Ukubonakala kweemveliso ezininzi ngumgubo omhlophe, kwaye ubungakanani bayo buyi-100 mesh, kwaye amathuba okudlula angama-98.5%.
I-Sodium Carboxymethyl Selelose yimveliso esetyenzisiweyo yeselfowuni kwaye inoluhlu olubanzi lwezicelo, ke kunokubakho ukuxelisa kwimarike. Ke indlela yokufumana ulwazi ukuba yimveliso efunekayo ngabasebenzisi inokuphumelela lovavanyo lokuchonga okulandelayo.
Khetha i-0.5G ye-Sodium Carboxymethyl Selelose, eqinisekileyo ukuba iyimveliso ye-SODIM COBODYTHTHTHLLCETETLOSEMETHLCELCELCELCELCETLOSEMETHTETETETEXETHTETHTELCETETEXEXETHTETHTETETEXELOSETETHTETEXEXETETHTETEXCETEXCETHTETETEXEXCETEXCETHTETETEXEXETHTETHTETETEXELOSE?
1. Yongeza amanzi kwisisombululo sovavanyo ukuze unqumle izihlandlo ezi-5, udibanise i-0.5ml ye-Chromotropic yovavanyo kwi-1 yehla, kwaye uyitshise kwindawo ebomvu.
2. Yongeza i-10 ml ye-acetone ukuya kwi-5 ml yesisombululo sovavanyo, shake kwaye udibanise kakuhle ukuvelisa i-flocculeclerm emhlophe.
3. Yongeza i-1ml yesisombululo sovavanyo lweKell Scal kwi-5ml yesisombululo sovavanyo, xuba kwaye ushukumise ukuvelisa ukukhanya kwe-scacculedy eluhlaza okwesibhakabhaka.
I-4. Intsalela efunyenwe ngokususwa kwale mveliso ibonisa indlela eqhelekileyo yetyuwa yesodium, oko kukuthi, i-sodiumdymethyl sellyulose.
Ngala manyathelo, unokuchonga ukuba iMveliso ethengiweyo yi-Sodium Carboxymethyl sellyulose kunye nokucoceka kwayo, ebonelela ngendlela elula nesebenzayo kubasebenzisi abakhetha ngokuchanekileyo
IXESHA LOKUQALA: UNv-12 ukuya ku-1222