Ungayifumana njani i-ash ye-ash ye-hydroxypropyl methylcelgalose?

Umxholo we-Ash yisalathiso esibalulekileyo sehydroxypropyl methylcelceluplose. Uninzi lwabathengi bahlala bebuza ukuba baqonda ukuba bayaziqonda i-hydroxypropyl methylcelcelceluplose: Yintoni ixabiso le-Ash? Hydroxypropyl methylcelceluplose enemixholo encinci ye-ASH kuthetha ukucoceka okuphezulu; I-seluplose ngomxholo omkhulu we-Ash kuthetha ukuba zininzi izinto zokungcola kuyo, eziya kuthi zichaphazele isiphumo sosetyenziso okanye ukonyusa inani lokudibanisa. Xa abathengi bakhetha i-hydroxypropyl methylcelcelgalose, bahlala ngokuthe ngqo abanye besese umlilo ngomlilo kwaye batshise ukuvavanya umxholo we-lesh. Kodwa le ndlela yokuqaphela ayinasisaveli kakhulu, kuba abavelisi abaninzi bongeza abakhenkethi bokudibanisa kwi-selsulose. Kumphezulu, i-seluplose ine-arth encinci emva kokutsha, kodwa ngokuziqhelanisa, ukugcinwa kwamanzi kwe-hydroplypropyl methylcelgalose ayilunganga.

Ke kufuneka sibubone njani umxholo we-ash ye-hydroxypropyl methylcelcelcelcelcelcelceluplose? Indlela yokuchonga echanekileyo kukusebenzisa isiqithi se-muffles sokufumanisa.

Isixhobo sokuhlalutya isixhobo, isiziko seqondo lemozulu le-Muffile, kwiziko lombane.

INKQUBO YOKUFUNDA:

1) Okokuqala, faka i-Porcelain ye-30ml ye-30ml yesiqithi esiphezulu kwaye itshise kwi-30 imizuzu, emva koko isuse kwi-STAICE YOKUGQIBELA (20 ~ 30).

2) ubunzima be-1.0 g yehydroxypropyl methylcelceluploseKumgangatho wokuhlalutya, faka isampulu enqabileyo, emva koko ubeke i-therboace ye-carbonis, yongeza i-Sulfuric Acid Emva koko fudukela kwiqondo elingaqondakali le-Puffles, tshisa kwi (500 ~ 600) ℃ iyure enobushushu obuphezulu (20 ~ 30), kwaye emva koko ubunzima bexesha lokuhlaziya.

Intsalela yeBala yokukhupha ibalwa ngokwefomyula (3):

m2-m1

Intsalela yentsalela (%) = × 100 .........................................................................

m

Kwifomula: M1-Ubunzima bento engenanto, kwi-G;

M2 -Umninzi wentsalela kwaye ubethelelwe, kwi;

m - ubunzima besampulu, kwi-g.


Ixesha leposi: Apri-25 ukuya ku-2424