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wax soo wadaban

Soo-saaraha AREATIC Qiimaha Store Cass Cas: 57-11-4

Sharraxaadda Gaaban:

Acid Steartic acid:
Acid Acid-829 Acid Steratic Acid, Acid Steratic Acid ayaa ah dufanka adag ee laga helo dufanka xayawaanka iyo khudradda, oo ah waxyaabaha ugu sareeya ee aashitada (C18H36O2) iyo Palmitic acid (c16h32o2).
Alaabtaani waa mid cad ama cad sida budo ama qaylo-dhaan adag, astaantiisu waxay leedahay micrombip luster cajalad wanaagsan; Waxay leedahay ur yar oo la mid ah dufan oo aan dhadhan lahayn. Alaabtaani waxay ku milmaysaa chloroform ama dietyl ethanol, ku milmay ethanol, ku dhawaad ​​biyo-biyoodka. Qaboojinta dhibicda barafka (Lifaaqa ⅵ d) sheyga ma ka yarayn doono 54 ℃. Iodine waxay qiimeysaa qiimaha iodine ee sheygan (Lifaaqa ⅶ h) uusan ka badnayn 4. (saadaalin cad)
Aashitada Acid Acid 57-11-4
Magaca wax soo saarka: Acid Steracic acid

CAS: 57-11-4


Si faahfaafo

Calaamadaha wax soo saarka

Ereyo isku mid ah

Aaladda stearquum 50; aashitaritic acid; femma 3035; carbybylic acid c18; c18; c18: 0 dufanka badan;

Codsiyada aashitada

Acid Steratic acid, (fasalka warshadaha) Steracic acid waa mid ka mid ah acid of froms of fromt-feedhka muddada dheer ee ugu hooseeya saliidaha iyo dufanka. Waxaa lagu soo bandhigayaa dufanka xoolaha, saliida iyo noocyada saliidaha khudradda sida ugu fiican qaabka glycerides. Saliidahan, ka dib hydrolysis, soo saar assicaric acid.
Aashitada Steratic Acid waa aashitada dufanka badan ee dabiiciga ah ee dabiiciga ah waxayna leedahay astaamaha guud ee kiimikada ee aashitada carboxylic. Ku dhawaad ​​dhammaan noocyada baruurta iyo saliida waxay kujirtaa xaddi xadidan oo ah aashitada oo leh waxyaabaha dufanka xayawaanka ah ee dufanka xayawaanka ah ee qaraabada ah. Tusaale ahaan, waxyaabaha ku jira subagga waxay gaari karaan ilaa 24% halka waxa ku jira saliidda cuntada ay tahay mid qaraabo hooseeya iyadoo qiimaha saliida shaaha uu yahay 0.8% iyo saliida timirta. Si kastaba ha noqotee, waxa ku jira kookaha wuxuu gaari karaa ilaa 34%.

Waxaa jira laba dariiqo oo waaweyn oo wax soo saarka warshadaha ah ee aashitada loo yaqaan 'steracic acid', oo ah qaab kala jajaban iyo qaab isku-dhafan. Ku dar wakiilka jahwareerka saliida hydrolaha ah, ka dibna hydrolyze si aad u siiso dufanka xunxun, waxay sii gudbaa biyo ku maydhista biyaha, si aad u hesho badeecadaha dhammeystiran ee glycel-ka ah ee glycerol.
Inta badan soosaarayaasha guryuhu waxay u isticmaalaan dufanka xayawaanka wax soo saarka. Qaar ka mid ah tikniyoolajiyadda wax soo saarka ayaa sababi doonta in ku dhameystir la'aanta musiibo ee aashitada dufanka leh kaas oo soo saara ur ur-kicinta waqtiga loo yaqaan 'caaga loo yaqaan' Thlact 'iyo heerkulka sare. In kasta oo ur-urkaasi aysan ahayn wax sun ah laakiin waxay saameyn gaar ah ku yeelan doonaan xaaladaha shaqada iyo jawiga dabiiciga ah. Qaabka ugu badan ee la soo dejiyo ee aashitada ee aashitada ah waxay qaadataa saliidda khudradda maaddaama ashyaa'da ceyriinka ah, geedi socodka waxsoosaarka ayaa aad u horumarsan; Aashitada loo soo saaray ee aashitada la soo saaray waa wax qabad xasilloon, hantida fiilooyinka oo wanaagsan iyo ur ka yar arjiga.
Acid Steaeratic waxaa inta badan loo isticmaalaa soosaarka sadegees sida sodium steaate, magnesium steaate, kaalshiyam-ka, steainum steaate, saliidiumse, treaate, birta sadex ah, iyo potassium-ka, iyo potassium-ka, iyo potassium-ka. Soodhiyamka ama milixda potassium ee aashitada steratic waa qaybta saabuunta. In kasta oo sodium Steaate uu leeyahay awood aan caadi ahayn oo ka yar sodium paymium, laakiin jiritaankeeda ayaa kordhin kara dhibaatada sahliga ah.
Saaddex ku qaado sida shey ceyriin ah, ka gudub sulfuric acid ama hab cadaadis leh oo loogu talagalay jahwareerka. Acids dufanka bilaashka ah ayaa markii ugu horreysay ee loo hayaa habka cadaadiska biyaha ee laga saaro palmit acid iyo ocieri acid 30 ~ 40 ℃, ka dibna lagu kala diray Ethanol, oo ay ku xigto xagga bari ee barium acetate ama magnesium acetate oo ay ka soo baxaan. Ka dib ku dar milo sulfuric acid si aad u hesho aashitada samatabsiga ah, shaandhada oo qaado, oo dib ugu celi, oo dib ugulaabso ethanol si aad u hesho assicar-ka saamiga saafiga ah.

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Sicirka loo yaqaan 'striatic acid'

Wax

 

Qiimaha Iodine

≤8

Qiimaha aashitada

192-218

Qiimaha sapapnafication

193-220

Midab

≤400

Dhibic dhalaalaysa, ℃

≥52

Qoyaan

≤0.1

Xirxiran aashitada steratic

Gaadiidka Saadka1
Gaadiidka Saadka2

25kg / boorso oo aashito ah

Kaydinta waa inay ahaataa mid qabow, qalalan oo hawo leh.

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