Ngwaahịa
Sucrose
Usoro nhazi
Njirimara anụ ahụ
Ọdịdị: White crystalline isi siri ike
Njupụta: 1.5805
Ebe mgbaze: 185-187°C (ọkụ)
Ebe esi mmiri: 397.76°C (atụmatụ siri ike)
Ntughari a kapịrị ọnụ: 67º(c=26, n'ime mmiri 25ºC)
Ntụgharị: 66.5 Celsius (C=26, H2O) Ọtụ ọkụ 93.3°C
Solubility: H2O: 500 mg/mL
Ọnụọgụ acidity(pKa):12.7(na 25°C)
PH:5.0-7.0 (25°C, 1M na H2O)
Data nchekwa
Sonyere ngwongwo ndị dị ize ndụ
Koodu mpaghara:: 2938909090
Ọnụego nkwụghachi ụtụ nke mbupu (%): 9%
Ngwa
A na-eji Sucrose eme ihe n'ọtụtụ ebe na nri, ihe ịchọ mma na ọgwụ, a na-ejikwa ya dịka ọkọlọtọ maka nyocha na nchọpụta.Enwere ike iji ya na-akwadebe citric acid, caramel, sugar invert, transperent ncha, wdg. Ọ nwere ike igbochi uto nke nje bacteria na nnukwu ntinye uche, a pụkwara iji ya mee ihe dị ka mbadamba nkume nke preservative na antioxidant na nkà mmụta ọgwụ.A na-eji sucrose reagent maka mkpebi siri ike nke 1-naphthol, nkewa nke calcium na magnesium na nkwadebe nke usoro omenala ndu.
Sucrose, bụ isi ihe dị na shuga tebụl, bụ ụdị disaccharide, nke mejupụtara molekul nke hemiacetal hydroxyl glucose na molecule nke hemiacetal hydroxyl otu fructose na-ejikọta ibe ha na mmiri gwụ.Sucrose na-atọ ụtọ, enweghị isi, soluble na mmiri na glycerol, yana mmanya na-egbu ntakịrị.Ọ bụ spinogenic, mana ọ nweghị mmetụta fotochromic.Sucrose fọrọ nke nta ka ọ bụrụ ụwa niile na akwụkwọ, ifuru, ị ga, mkpụrụ na mkpụrụ osisi nke alaeze osisi.Ọ na-adịkarị na okpete, sugar beet na maple sap.Sucrose nwere uto na-atọ ụtọ ma bụrụ nri dị mkpa na ụtọ ụtọ.A na-ekewa ya na shuga ọcha, shuga aja aja, shuga nkume, shuga nkume, na shuga na-enweghị isi (shuga edo edo)
Njirimara anụ ahụ
Sucrose na-agbaze nke ukwuu na mmiri, na solubility ya na-abawanye na mmụba nke okpomọkụ, ọ naghị eduzi ọkụ eletrik mgbe agbazere na mmiri.Sucrose bụkwa soluble na aniline, azobenzene, ethyl acetate, amyl acetate, gbazee phenol, mmiri mmiri amonia, ngwakọta nke mmanya na mmiri na ngwakọta nke acetone na mmiri, ma ọ bụ insoluble na organic solvents dị ka mmanụ ụgbọala, mmanụ ala, anhydrous mmanya, trichloromethane. , carbon tetrachloride, carbon disulfide na turpentine.Sucrose bụ ihe kristal.Nnukwu ike ndọda nke kristal sucrose dị ọcha bụ 1.5879, na ike ndọda kpọmkwem nke sucrose ngwọta dịgasị iche dabere na ntinye na okpomọkụ.Mgbanwe nke sucrose bụ +66.3° ruo +67.0°.
Njirimara kemịkalụ
Ihe ngwọta sucrose na sucrose n'okpuru ọrụ nke okpomọkụ, acid, alkali, yist, wdg, na-emepụta mmeghachi omume kemịkal dị iche iche.Mmeghachi omume ahụ na-arụpụta ọ bụghị naanị na mfu nke sucrose, kamakwa na mmepụta nke ihe ndị na-emerụ mmepụta shuga.
Mgbe sucrose kristal na-ekpo ọkụ ruo 160 Celsius, ọ ga-erekasị ahụ wee gbazee n'ime mmiri siri ike ma na-enwu enwu, wee recrystallize mgbe ọ dị jụụ.A na-agbatị oge ikpo ọkụ, sucrose na-emebi n'ime glucose na defructose.Na okpomọkụ dị elu nke 190-220 Celsius C, sucrose ga-akpọnwụ ma tinye ya n'ime caramel.Igwe ọkụ ọzọ nke caramel na-emepụta carbon dioxide, carbon monoxide, acetic acid na acetone.N'okpuru ọnọdụ iru mmiri, sucrose na-emebi na 100 ° C, na-ahapụ mmiri ma na-agba ọchịchịrị agba.Mgbe ihe ngwọta sucrose na-ekpo ọkụ ka ọ na-esi na nrụgide ikuku ruo ogologo oge, sucrose gbazere na-eji nwayọọ nwayọọ na-aghọ glucose na fructose hà nhata, ya bụ, ntụgharị na-eme.Ọ bụrụ na ihe ngwọta sucrose na-ekpo ọkụ n'elu 108 ℃, a ga-eme ya ngwa ngwa, ma na-abawanye ụba nke ngwọta shuga, otú ahụ ka mmetụta hydrolysis dịkwuo mkpa.Ihe igwe eji eme ihe n'ime arịa na-esi esi nwekwara mmetụta na ọnụego mgbanwe sucrose.Dịka ọmụmaatụ, ntughari nke ngwọta sucrose na arịa ọla kọpa dị ukwuu karịa na arịa ọlaọcha, arịa iko na-enwekwa mmetụta dị nta.
