Hanyar gwaji don riƙewar ruwa na Celulose

PREL Cillers, kamar(mc),Hydroxypyl methylcellose (hpmc), daCarboxymose Carboxymethyl (CMC), ana amfani da shi sosai a aikace-aikace daban-aikace ciki har da magunguna, gini, da masana'antar abinci. Daya daga cikin mahimman kaddarorin masu za su iya karfinsu na riƙe ruwa, wanda yake da mahimmanci don aikinsu a cikin wadannan aikace-aikacen. Maimaitawar ruwa yana tabbatar cewa kayan ya zauna a cikin tsari da ayyukan da aka yi yadda ya kamata, ko a cikin mafita mai narkewa, ko kuma a matsayin wani ɓangare na matrix.

1.Na haƙiƙa

Dalilin gwajin riƙewa na ruwa shine a ware adadin ruwan sel zai iya riƙe ƙarƙashin yanayi takamaiman. Wannan dukiyar tana da mahimmanci saboda yana tasiri aikin, kwanciyar hankali, da kuma aikin samfuran ether a cikin mahalli daban-daban.

2.Ƙa'ida

Mai riƙe da ruwa ya ƙaddara ta hanyar auna nauyin ruwan ya riƙe ta hanyar selulake ether lokacin da aka haɗa shi zuwa gwajin daidaitaccen gwaji. Yawanci, cakuda ether na sel an shirya shi da ruwa, sannan kuma adadin ruwan kyauta wanda aka matse ko draized daga cakuda a cikin matsin lamba. Mafi girman riƙe ruwa, mafi girma ikon etan ether don riƙe danshi.

3.Kayan aiki da kayan

Alamar gwaji:PRELL alfarwa da iron foda (misali, MC, HPMC, CMC)

Ruwa (distilled)- Don shirya cakuda

Aikin Ruwa- Cell na Tsarin Ruwa na Ruwa na Ruwa (misali, wani farin hannu tare da allon raga ko kuma na'urar tlipration)

Ma'auni- don auna samfurin da ruwa

Taro takarda- don riƙe samfurin

Silinda ya yi karatun digiri- don auna adadin ruwa

Tushen matsin lamba- Don matsi da ruwa mai wuce haddi (misali, mai ɗaukar hoto) ko nauyi)

Mai ƙidali- Don bin lokacin don tsarin riƙewar ruwa

The Hermostat ko incubator- Don kula da zazzabi gwaji (yawanci a zazzabi a daki, a kusa da 20-25 ° C)

4.Hanya

Shiri na samfurin:

Yi la'akari da sanannen adadin eter foda na ether foda (yawanci 2 grams) daidai akan ma'auni.

Mix eter ether foda tare da takamaiman adadin distilled (misali, 100 ml) don ƙirƙirar slurry ko liƙa. Dama cakuda sosai don tabbatar da rarrabuwa da kuma hydration.

Bada izinin cakuda zuwa wani lokaci na tsawon mintuna 30 don tabbatar da cikar kumburi da ether.

Saita kayan aikin riƙe ruwa:

Shirya kayan aikin riƙewar ruwa ta sanya takarda tace a cikin yanki na tacewa ko rami.

Zuba Eletlulose na ether slurry a kan takarda tace kuma tabbatar da a ko'ina.

A kunne mai riƙewa:

Aiwatar da matsin lamba ga samfurin ko dai da hannu ko ta amfani da latsa labarai-Locked. Yawan matsin lamba ya kamata a daidaitawa a duk gwaje-gwajen.

Bada izinin tsarin don magudana na mintuna 5-10, lokacin da ya wuce haddi ruwa daga slurry.

Tattara ruwa mai narkewa a cikin silinda ya kammala karatun.

Lissafin riƙewar ruwa:

Bayan an kammala aikin magudanar, auna nauyin da aka tattara don sanin adadin ruwan da aka rasa.

Lissafta ruwan riƙewa ta rage yawan ruwa kyauta daga yawan amfanin ruwa da aka yi amfani da shi a cikin cakuda samfurin.

Maimaitawa:

Yi gwajin a cikin yau da kullun ga kowane samfurin ethulose ether don tabbatar da daidaitaccen sakamako da haifuwa. Ana amfani da matsakaicin ƙimar riƙewar ruwa don bayar da rahoto.

5.Fassarar bayanai

Sakamakon gwajin mai riƙewa na ruwa yawanci ana bayyana shi ne kamar yadda adadin ruwan ya riƙe ta samfurin sel mai ɗaukar hoto. Tsarin don lissafin riƙewar ruwa:

Wannan tsari yana taimakawa wajen tantance ikon mai riƙe da ruwa na Elhersan ELES a ƙarƙashin yanayin da aka ƙayyade.

6.Bambancin Gwajin

Wasu bambance-bambancen gwajin mai riƙewa na asali sun hada da:

Dokar ruwa mai dogaro:In some cases, water retention may be measured at different time intervals (eg, 5, 10, 15 minutes) to understand the kinetics of water retention.

Yawan zazzabi mai kulawa:Gwaje-gwaje da aka gudanar a yanayi daban-daban na iya nuna yadda yawan zafin jiki ke shafar riƙewar ruwa, musamman don kayan aikin tsinkaye.

7.Abubuwa suna shafar riƙewar ruwa

Abubuwa da yawa na iya yin tasiri a kan ribar celta Elhers:

Daidaitawa:Cellulose Ethers tare da mafi girman danko suna iya riƙe ƙarin ruwa.

Nauyi na kwayoyin:Mafi girman ƙwayoyin ƙwayoyin ƙwayar ƙwayoyin ƙwayar ƙwayar ƙwayoyin sel mai nauyi mai ɗaukar nauyi

Digiri na Canji:Canjin sunadarai na ELERS (misali, digiri na methylation ko hydroxypropylation) na iya shafar da kayan aikin rera su na ruwa.

Taro na Eletlulous ether a cikin cakuda:A mafi girma taro na sel na ethher na gaba daya yana haifar da mafi kyawun riƙe ruwa.

8.Samfurin Samfura: Misali Sakamako

A cikin wannan misalin riƙewar renon ruwa ya nuna cewa sel carboxymose (CMC) samfurin yana da riƙe mafi riƙe ruwa, yayin da methylcellulose (MC) yana da mafi ƙarancin riƙe.

Gwajin da ake riƙewar ruwa don Ellulose na Ellulose ne mahimmancin ikon sarrafawa don auna ikon waɗannan kayan don riƙe ruwa. Sakamakon yana taimakawa wajen tantance dacewar ether don takamaiman aikace-aikace, kamar a cikin tsari inda matsakaiciyar danshi yana da mahimmanci. Ta hanyar daidaitawar tsarin gwajin, masana'antun zasu iya tabbatar da aikin aiwatar da kayan sutturar su kuma suna samar da bayanai da yawa don ci gaban samfurin.