Microcrystalline Cellulose (MCC) CAS 9004-34-6 Assay 97.0 ~ 102.0%

Microcrystalline cellulose
Cellulose [9004-34-6].
BAYANI
An tsarkake Microcrystalline Cellulose, wani bangare na depolymerized cellulose wanda aka shirya ta hanyar magance alpha cellulose, wanda aka samo shi azaman ɓangaren litattafan almara daga kayan shuka mai fibrous, tare da acid ma'adinai.
GANO
• A. Tsari
Maganin zinc chloride mai iodinated: Narke 20 g na zinc chloride da 6.5 g na potassium iodide a cikin 10.5 ml na ruwa.Ƙara 0.5 g na aidin, kuma girgiza don 15 min.
Misali: 10 MG
Bincike: Sanya Samfurin akan gilashin agogo, kuma a watsa a cikin 2 ml na maganin zinc chloride mai Iodinated.
Sharuɗɗan karɓa: Abun yana ɗaukar launin shuɗi-violet.
• B. Tsari
Samfurin: 1.3 g na Microcrystalline Cellulose, daidai auna zuwa 0.1 MG.
Analysis: Canja wurin Samfurin zuwa 125-ml conical flask.Ƙara 25.0 ml na ruwa da 25.0 ml na 1.0 m cupriethylenediamine hydroxide bayani.Nan da nan a goge maganin tare da nitrogen, saka abin tsayawa, kuma girgiza a kan abin girgiza hannun hannu, ko wani abin girgiza injin da ya dace, har sai ya narkar da gaba ɗaya.Canja wurin madaidaicin ƙarar samfurin samfurin zuwa lamba mai ƙima 150 Cannon-Fenske, ko daidai, viscometer.Bada mafita don daidaitawa a 25 ± 0.1 don NLT 5 min.Lokaci yawo tsakanin alamomi biyu akan viscometer, da rikodin lokacin kwarara, t1, cikin s.
Yi lissafin dankon kinematic, (KV)1, na Microcrystalline Cellulose da aka ɗauka:
Sakamako = t1 × k1
t1 = lokacin kwarara (s)
k1 = madaidaicin viscometer (duba danko 911)
Sami lokacin kwarara, t2, don maganin 0.5M cupriethylenediamine hydroxide ta amfani da lamba 100 Cannon-Fenske, ko daidai, viscometer.
Yi lissafin dankon kinematic, (KV)2, na sauran ƙarfi:
Sakamako = t2 × k2
t2 = lokacin kwarara don 0.5 M cupriethylenediamine hydroxide mafita (s)
k2= ciwan viscometer
Ƙayyade danƙon dangi, rel, na samfurin Microcrystalline Cellulose da aka ɗauka:
Sakamako= (KV)1/(KV)2
(KV) 1 = dankon kinematic na Microcrystalline Cellulose da aka ɗauka
(KV) 2= dankon kinematic na sauran ƙarfi
Ƙayyade danko na ciki, [] c, ta hanyar tsaka-tsaki, ta yin amfani da Teburin Dankowar Ciki a cikin sashin Tebur na Magana.
Yi lissafin digiri na polymerization, P:
Sakamako= (95) × [η]c/WS × [(100%LOD)/100]
[η]c= danko na ciki
WS = nauyin Microcrystalline Cellulose da aka ɗauka (g)
% LOD=darajar da aka samu daga gwajin Hasara akan bushewa
Sharuɗɗan karɓa: Matsayin polymerization bai fi 350 ba.
RASHIN ZUCIYA
Najasa Na Inorganic
• Ragowa akan Ignition 281: NMT 0.1%
• Karfe masu nauyi, Hanyar II 231: NMT 10 ppm
MAKAMMAN JARRABAWA
• Gwaje-gwajen Ƙididdigar Ƙanjamau 61 da Gwaje-gwaje don Ƙayyadaddun Ƙanƙara 62: Jimillar ƙidayar ƙwayoyin cuta na aerobic bai wuce 1000 cfu/g ba, kuma jimillar ƙididdige ƙirƙira da yeasts bai wuce 100 cfu/g ba.Ya cika ka'idodin gwaje-gwaje don rashin Staphylococcus aureus da Pseudomonas aeruginosa da rashin Escherichia coli da nau'in Salmonella.
• Gudanarwa
Misali: 5g
Analysis: Girgiza Samfurin tare da 40 ml na ruwa na 20 min, da centrifuge.Riƙe mai ƙarfi don amfani a gwajin pH.Yin amfani da mitar da ya dace wanda aka daidaita tare da ma'aunin daidaitawa na chloride na potassium yana da ƙarfin aiki na 100 µS/cm, auna ƙarfin ƙarfin ƙarfin ikon bayan an sami ingantaccen karatu, kuma auna ƙarfin ruwan da aka yi amfani da shi don shirya gwajin. samfurin.
Sharuɗɗan karɓa: Ƙarfafawar maɗaukakiyar maɗaukaki baya ƙetare ƙarfin tafiyar da ruwa da fiye da 75 µS/cm.
• pH 791: 5.0-7.5 a cikin babban abin da aka samu a cikin gwajin Ƙarfafawa
Asara akan bushewa 731: Busa samfurin a 105 don 3 h: yana rasa NMT 7.0% na nauyinsa, ko wasu ƙananan kashi, ko yana cikin kewayon kashi, kamar yadda aka ƙayyade a cikin lakabin.
• Yawan yawa
Nazari: Yi amfani da na'ura mai ɗaukar hoto wanda aka sanye da allon raga 10.Volumeter yana da 'yanci na tagulla ko kofin bakin karfe, wanda aka daidaita shi zuwa ƙarfin 25.0 ± 0.05 mL kuma yana da diamita na ciki na 30.0 ± 2.0 mm.Auna kofin da babu komai a ciki, sanya shi a ƙarƙashin chute, sannan a hankali zuba foda daga tsawo na 5.1 cm (2 in) sama da mazurari ta hanyar volumeter, a cikin adadin da ya dace don hana toshewa, har sai kofin ya cika.[Lura-Idan ƙullewar allo fiye da kima ya faru, cire allon.] Sanya foda da ya wuce kima, kuma auna ƙoƙon da aka cika.Yi ƙididdige yawan yawa ta hanyar rarraba nauyin foda a cikin kofin ta ƙarar kofin.
Sharuɗɗan karɓa: Yawan yawa yana cikin ƙayyadaddun ƙayyadaddun bayanai.
• Rarraba Girman Barbashi
[Lura-A lokuta inda babu damuwa da ke da alaƙa da ayyuka game da girman rabon labarin, ana iya barin wannan gwajin.]
Inda lakabin ya faɗi rarraba girman barbashi, ƙayyade rarraba girman barbashi kamar yadda aka umarce shi a Ƙimar Rarraba Girman Barbashi ta Analytical Sieving 786, ko ta hanyar ingantacciyar hanya.
• Abubuwan Da Suke Ruwa
Misali: 5.0 g
Nazari: Girgiza Samfurin tare da 80 ml na ruwa na minti 10, kuma wuce tare da taimakon injin motsa jiki ta takarda mai tacewa (Whatman No. 42 ko makamancin haka) a cikin kwandon shara.Canja wurin tacewa zuwa ƙwanƙwasa tared, ƙafe zuwa bushewa ba tare da caji ba, bushe a 105 don 1 h, sanyi a cikin na'urar bushewa, da auna.
Sharuɗɗan karɓa: Bambanci tsakanin nauyin ragowar da nauyin da aka samu daga ƙaddarar da ba ta dace ba bai wuce 12.5 MG (0.25%) ba.
• Abubuwan Ether-Soluble
Misali: 10.0 g
Nazari: Sanya Samfurin a cikin ginshiƙin chromatographic yana da diamita na ciki na kusan mm 20, kuma ya wuce 50 ml na ether maras peroxide ta cikin ginshiƙi.Kashe eluate zuwa bushewa a cikin busasshen da aka busasshe a cikin kwanon da aka bushe da shi tare da taimakon iskar da ke cikin hurumin hayaƙi.Bayan duk ether ya ƙafe, bushe ragowar a 105 na minti 30, kwantar da shi a cikin injin bushewa, kuma auna.
Sharuɗɗan karɓa: Bambanci tsakanin nauyin ragowar da nauyin da aka samu daga ƙaddarar da ba ta dace ba bai wuce 5.0 MG (0.05%) ba.
KARIN BUKATA
• Marufi da Ajiya: Ajiye a cikin matsuguni.
• Lakabi: Lakabin yana nuna asarar ƙima akan bushewa, yawan yawa, da ƙimar ƙimar polymerization.An ƙaddara matakin yarda da polymerization ta amfani da gwajin Shaida B. Inda aka bayyana girman girman barbashi a cikin lakabin, ci gaba kamar yadda aka umurce a cikin gwajin Rarraba Girman Barbashi.Lakabin yana nuna da wace dabara aka ƙayyade girman rabon barbashi idan aka yi amfani da wata dabara ban da tantancewa;kuma alamar tana nuna ƙimar d10, d50, da d90 da kewayon kowane.