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Manufacturer farashi mai kyau stearic acid cas: 57-11-4

A takaice bayanin:

Stearic acid: (Tsarukan Masana'antu) acturecanoic acid, C18h36o2, ana amfani da shi ta hanyar mai mai kuma ana amfani da shi a cikin samar da sura
Stearic acid-829 stearic acid, stearic acid ne mai daskararren mai da aka samo daga dabbobi da kayan lambu wanda yake da stearic acid (C18H36O2) da palmitic acid (C16h32o2).
Wannan samfurin fari ne ko fari kamar foda ko katunan katako, bayanin martaba yana da microtrosrposti mai kyau. Yana da ɗan ɗan ƙaramin kamshi mai kama da man shafawa kuma ba shi da daɗi. Wannan samfurin yana narkewa a cikin chloroform ko diethyl ether, narkar da a Ethanol, kusan insolble cikin ruwa. Daskuwa da Point na daskarewa aya (shafi ⅵ d) na samfurin ba zai zama ƙasa da 54 ℃. Iodine darajar Iodine darajar wannan samfurin (Shafi ⅶ H) ba ta wuce 4 ba (farin previciurit)
Stearic acid cas 57-11-4
Sunan Samfuta: Stearic acid

CAS: 57-11-4


Cikakken Bayani

Tags samfurin

Kwatanci

Acid c18; c18; carboxylic acid c18; c18; c18: 0 acidre05016; hystrene7018; Hystrene7018

Aikace-aikacen Stearic acid

Stearic acid, (matakin masana'antu) stearic acid ne na wasu manyan kitse da yawa na sara kitse sun hada mai mai da kits. An gabatar da shi a cikin kitsen dabbobi, man da wasu nau'ikan kayan kayan lambu kamar yadda layin glycerides. Wadannan man, bayan hydrolysis, samar da macici acid.
Stearic acid shi ne mai mai daɗaɗɗiya a cikin yanayi kuma yana da kadarorin da keɓaɓɓun kadadan na carboxylic acid. Kusan kowane irin mai mai da man kitse yana ɗauke da wasu adadin ƙwayar stearic acid tare da abubuwan da ke cikin dabbobi suna da girma. Misali, abun ciki a cikin man shanu zai iya isa zuwa 24% yayin da abun ciki na kayan lambu ya kasance low tare da ƙimar shayi da ke tafe a cikin dabino da kashi 6%. Koyaya, abin da ke ciki a koko zai iya kaiwa har zuwa 34%.

Akwai manyan hanyoyi guda biyu don samar da masana'antu na stearic acid, wato karawa da hanyar matsawa. Addara wakilin hana ruwa zuwa mai mai, sannan hydrolyze don bayar da mai da ruwa, distillation, bleaching don samun samfuran da glycroduct kamar yadda ta hanyar da byproduct.
Yawancin masana'antun gida suna amfani da kitse na dabbobi don samarwa. Wasu nau'ikan fasahar samar da kayayyaki za ta haifar da rashin karkatar da distillation na kitse wanda ke haifar da haɓaka kamshin ƙanshi a lokacin sarrafa filastik. Duk da cewa wadannan m ba mai guba bane amma za su sami wani tasiri a kan yanayin aiki da yanayin halitta. Mafi yawan da aka shigo da su na stearic acid na da kayan lambu a matsayin albarkatun kasa, samar da matakan samarwa sun fi ci gaba; A acid da aka samar da m aiki, kayan abinci mai kyau da rashin kamshin a aikace-aikacen.
Stearic acid an yi amfani da shi musamman don samar da stealates kamar sodium steapate, karkashin suraje, aluminum steaate, cadmium steamate, da potassium steamate. Da sodium ko potassium gishiri na stearic acidan shine kayan sabulu. Kodayake sodium seora yana da karancin iko fiye da sodium parmate, amma kasancewarta na iya ƙara da wuya na sabulu.
A kai man shanu kamar albarkatun kasa, kaje ta sulfuric acid ko latsawa don bazawa. A acid ɗin mai kyauta ya fara zuwa hanyar matsakaicin ruwa don cire palmitic acid da acidium acetate ko magnesium acetate ko magnesium acetate wanda ke haifar da steaate. Sannan kara kara dan sulfuric acid don samun kyautar acid, matatar kuma a ɗauke shi, kuma sake kirjin ethanol don samun tsarkakakken ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta.

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Dokewar Stearic acid

Kowa

 

Ka'idar IODI

≤8

Darajar acid

192-218

Darajar sapamation

193-20

Launi

≤400

Maɗaukaki, ℃

≥52

Danshi

≤0.1.1

Shirya stearic acid

Kayayyakin Jagora1
Kasuwancin Jirgin Sama

25K / jakar stearic acid

Adana yakamata ya kasance a sanyaya, bushe da kuma bar iska ta shiga.

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