Babban alamun don auna ingancin CMC shine matakin maye gurbin (DS) da tsabta.Gabaɗaya, kaddarorin CMC sun bambanta lokacin da DS ya bambanta;mafi girman matakin maye gurbin, mafi kyawun solubility, kuma mafi kyawun gaskiya da kwanciyar hankali na maganin.A cewar rahotanni, nuna gaskiya na CMC ya fi kyau lokacin da matakin maye gurbin shine 0.7-1.2, kuma danko na maganin ruwa shine mafi girma lokacin da darajar pH ta kasance 6-9.
Don tabbatar da ingancinsa, ban da zaɓin wakili na etherifying, dole ne a yi la'akari da wasu abubuwan da suka shafi matakin maye gurbin da tsabta, kamar dangantakar da ke tsakanin alkali da etherifying wakili, lokacin etherification, tsarin ruwa abun ciki, zazzabi. , pH darajar, bayani maida hankali da kuma salts.
Sodium carboxymethyl cellulose ana amfani da shi sosai a fannin man fetur, abinci, magunguna, yadi, yin takarda da sauran masana'antu, don haka yana da matukar muhimmanci a yi hukunci daidai da tsarkinsa, kuma ma'auni ne don tabbatar da tasirin amfaninsa, to, yaya za mu gani? wari, tabawa, da lasa don tantance tsarkinsa?
1. Sodium carboxymethyl cellulose tare da high tsarki yana da matuƙar high riƙon ruwa, mai kyau watsa haske, da kuma yawan riƙon ruwa ya kai 97%.
2. Kayayyakin da ke da tsafta ba za su ji warin ammonia, sitaci da barasa ba, amma idan suna da ƙarancin tsarki, suna iya jin ƙamshin ɗanɗano iri-iri.
3. Sodium carboxymethyl cellulose mai tsabta yana da kyan gani, kuma yawancin ƙananan ƙananan ƙananan ƙananan, kewayon shine: 0.3-0.4 / ml;ruwa na zina ya fi kyau, jin hannun hannu ya fi nauyi, kuma akwai bambanci mai mahimmanci tare da bayyanar asali.
4. Ana ƙididdige abun ciki na chloride na CMC gabaɗaya a cikin CL, bayan an auna abun ciki na CL, ana iya canza abun cikin NaCl zuwa CL% * 1.65
Akwai wata alaƙa tsakanin abun ciki na CMC da chloride, amma ba duka ba, akwai ƙazanta irin su sodium glycolate.Bayan sanin tsabta, ana iya ƙididdige abun ciki NaCl NaCl% = (100-tsarki) / 1.5
Cl% = (100-tsarki) / 1.5 / 1.65
Sabili da haka, samfurin lasa harshe yana da ɗanɗano mai ƙarfi mai ƙarfi, yana nuna cewa tsabta ba ta da girma.
A lokaci guda, high-tsarki sodium carboxymethyl cellulose ne na al'ada fiber jihar, yayin da low-tsarki kayayyakin ne granular.Lokacin siyan samfur, dole ne ku koyi hanyoyi masu sauƙi na ganewa da yawa.Bugu da ƙari, dole ne ku zaɓi masana'anta tare da suna mai kyau, saboda ingancin samfurin ya fi tabbacin.
Lokacin aikawa: Nov-11-2022