Wadatacce
A gel yanayin al'amari ne tsakanin m kuma ruwa. Yana da wani colloidal abu (cakuda). Wato, shi ne a cakuda wanda ya kunshi matakai biyu ko fiye (an bayyana lokacin kalma a ƙasa). Galibi girman sa yana ƙaruwa lokacin da ya sadu da ruwa.
Akwai nau'ikan gel daban -daban, wanda a ciki yana da babban amfani a cikin magani, (musamman amfanin fata). Koyaya, ana amfani da gel don samfuran ƙanshi, abinci, fenti da mannewa.
Ana kiran tsarin da ake ƙera gel gelation.
Matakan gels
Gels suna da matakai biyu; a ci gaba lokaci wanda yake gaba ɗaya m kuma daya tarwatse lokaci wanda galibi ruwa. Kodayake wannan kashi na biyu ruwa ne, gel yana da daidaiton ƙarfi fiye da ruwa.
Misalin gel na yau da kullun shine jelly. A can za mu iya lura da ci gaba lokaci (gelatin a granules ko foda) da tarwatse lokaci (gelatin gauraye da ruwa).
The ci gaba lokaci yana ba da daidaituwa ga gel yana hana shi gudana da yardar kaina, yayin da tarwatse lokaci ya hana shi zama ƙaramin taro.
Halayen gels
Wasu gels suna da halayyar wucewa daga wannan yanayin colloidal zuwa wani kawai ta girgiza. Ana kiran wannan fasalin thixotropy. Misalan wannan shine wasu fenti, alkaline da latex. Sauran gels na thixotropic sune: miya tumatir, yumɓu da yogurts.
Daidaitaccen gels zai bambanta tsakanin m viscous ruwaye kuma ruwaye tare da taurin kai. Wannan zai dogara ne akan abubuwan gel. Saboda haka ana iya cewa mala'iku suna gabatar da wani mataki na rashin zaman lafiya.
Koyaya, azaman halayyar gabaɗaya, gels suna da matsakaici na roba.
Nau'in gels
Dangane da daidaiton gels, waɗannan za a iya raba su zuwa:
- Hydrogels. Suna da daidaiton ruwa. Suna amfani, azaman hanyar watsawa, ruwa. Yawancin gels ana samun su anan.
- Organogels. Suna kama da hydrogels amma suna amfani da sauran ƙarfi na asalin halitta. Misalin wannan shine crystallization na kakin a cikin mai.
- Xerogeles. Gels ne masu kamanni mai ƙarfi tunda ba su da sauran ƙarfi.
Amfanin gel
Kamar yadda aka ambata a baya, amfanin sa ya bazu sosai a fagen magani, kayan shafawa, sunadarai, da sauransu. Ana amfani da shi musamman a kayan shafawa, musamman don gyaran gashi.
A cikin magunguna ana amfani da su don jiyya a cikin kunnen kunne ko a cikin hancin tunda duka hanyoyin biyu suna da wahalar shiga kuma amfani da magunguna masu ƙarfi zai yi wahala don tsabtace su na gaba.
Misalan gels
- Clay
- Wayoyin fiber na gani. A cikin waɗannan lokuta ana amfani da abin da aka samo daga mai. Wannan gel ɗin yana ba da damar zaruruwa su kasance masu sassauƙa.
- Kwastam
- Gel na wanka
- Gel na gashi
- Gel ragewa
- Gelatin gama gari
- Jelly
- Rufewar mucous (ƙura ko ƙura). Waɗannan suna da mahimmanci saboda suna kula da ɗimbin ramin hanci, pharynx, bronchi da tsarin numfashi gaba ɗaya.
- Yellow man shanu
- Mayonnaise
- Ruwan 'ya'yan itace (ƙara pectins don ɗaukar nauyi)
- Cuku mai taushi
- Ketchup
- Gilashi
- Yogurt
Yana iya ba ku:
- Misalan Ruwa, Ruwa da Gas
- Misalan Jihar Plasma
- Misalan Colloids
