Focus on Cellulose ethers

Matakan Gwaji don Riƙe Ruwa na Hydroxypropyl Methyl Cellulose Ether

Vitamin ether shine abin da aka fi amfani dashi a cikin busassun turmi. Hydroxypropyl methyl cellulose ether yana taka muhimmiyar rawa a busassun turmi foda. Bayan ether cellulose a cikin turmi ya narkar da ruwa, an tabbatar da manne saboda aikin saman. The coagulant abu ne yadda ya kamata da kuma a ko'ina rarraba a cikin tsarin, da kuma hydroxypropyl methylcellulose ether, a matsayin m colloid, "nannade" da m barbashi da kuma samar da wani Layer na lubricating fim a kan ta m surface, sa turmi tsarin ya fi kwanciyar hankali da kuma inganta da inganta. ruwa na turmi a lokacin da ake hadawa da kuma santsin ginin.

Saboda tsarinsa na kwayoyin halitta, maganin cellulose ether yana sa ruwan da ke cikin turmi ba shi da sauƙi a rasa, kuma a hankali ya sake shi na dogon lokaci, yana ba da turmi tare da kyakkyawan ruwa da kuma aiki. Riƙewar ruwa na hydroxypropyl methyl cellulose ether: Shi ne mafi mahimmanci kuma mai nuna alama. Riƙewar ruwa yana nufin adadin ruwan da sabon turmi mai gauraya zai iya riƙewa bayan aikin capillary akan tushen abin sha. Matakan gwaji masu zuwa don riƙe ruwa na cellulose ether an taƙaita su don tattaunawa.

Hanyar bushewa

A lokacin gwajin, cika mazugi na Buchner tare da turmi gauraye da ruwa, sanya shi a kan kwalabe na tsotsa, fara famfo mai tsotsa, da kuma yin tacewa na tsawon mintuna 20 a ƙarƙashin matsin lamba na (400± 5) mm Hg. Sa'an nan, bisa ga adadin ruwa a cikin slurry kafin da kuma bayan tsotsa tacewa, lissafta adadin ruwa kamar haka.

hanyar takarda tace

Ana yin hukunci da riƙewar ruwa na ether cellulose ta hanyar ɗaukar ruwa na takarda tace. Ya ƙunshi nau'in gwajin zobe na ƙarfe tare da takamaiman tsayi, takarda tace da farantin tallafi na gilashi. Akwai nau'ikan takarda 6 na tacewa a ƙarƙashin ƙirar gwajin, wanda Layer na farko shine takarda mai sauri, sauran yadudduka 5 kuma takarda ce mai jinkirin. Yi amfani da daidaitaccen ma'auni don fara auna nauyin pallet da 5 yadudduka na jinkirin tace takarda, zuba turmi a cikin samfurin gwaji bayan haɗuwa kuma a goge shi a hankali, sa'annan a ajiye shi na minti 15: sannan auna nauyin pallet da 5 yadudduka na jinkirin tace nauyin takarda.


Lokacin aikawa: Afrilu-23-2023
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