Kamfanin Tiantdai ya ƙware a cikin binciken, ci gaba, samarwa da haɓakar tallace-tallace na hydroxypropyl methyl selululose samfuran HPMC. Tsarkin hpmc hmmc hydroxypyl methyl selululose shine mafi kyawun samfurin samfurin don masana'antun da masu amfani. Anan mun hydroxypropyl methyl sel methyl clal masana'antun don bayar da cikakken gabatarwar, Ina fatan karanta in taimaka.
Yarda da tsabta ta hpmc hydroxypropyl methyl selululose
Ka'idar
Hydroxypyl methyl selululose hpmc shine insoluble a cikin 80% ethanol. Bayan narkewa da kuma wanke sau da yawa, 80% ethanol narkar da a cikin samfurin an rarrabe shi kuma an cire shi don samun tsabta selethyplululose HPMC.
Rrantsuwa
Sai dai in ba haka ba aka bayyana, sake ganowa kawai don zama masu bincike masu tsabta da distilled ko narkewa ko ruwa mai tsabta za a yi amfani da shi a cikin bincike.
95% Ethanol (GB / T 679).
Ethanol, Ethanol bayani 80%, tsarma 95% ethanol (e.2.1) 840ml da ruwa zuwa 1l.
BMI (GB / T 12591).
Kayan aiki
Kayan dakin gwaje-gwaje
Magnetic mai zafi mai zafi, yana motsa Rod Lengthari game da 3.5cm.
Murmushi mai narkewa, 40ml, aperture 4.5μm ~ 9μm.
Gilashin kwano, φ0cm, rami na tsakiya.
Beaker, 400ml.
Actian zafin jiki mai wanka.
Ten, zai iya sarrafa zafin jiki a 105 ℃ ± 2 ℃.
Shirin
Daidai da girman samfurin 3g (daidai zuwa 7.001G) cikin matsanancin motsa jiki, haɗa da zafin jiki a cikin rasannin motsa jiki, da kuma kula da zafin jiki a cikin 60 ℃ ~ 65 ~. Motsa jiki na 10 min.
Dakatar da motsawa, sanya mai beaker a cikin ruwan zãfi na 60 ℃ ~ 65 ℃, har yanzu tsayawa har yanzu don warware matsalar cikin cirewa a koyaushe kamar yadda zai yiwu a cikin m ruwa mai rauni.
Add 150mL 80% Ethanol A 60 ℃ ~ 65 ℃ To beaker, maimaita mai motsa jiki, kuma a yi amfani da sandar ciki, da kuma wanke abin da ke ciki na mai daƙara. Ya kamata a yi amfani da tsini a yayin wannan aikin da bushewa na cake ya kamata a guji. Idan barbashi wuce ta tace, tsotsa ya kamata ya ragu.
SAURARA: Ya kamata a tabbatar da cewa sodium chloride a cikin samfurin an wanke shi da 80% ethanol gaba daya. Idan ya cancanta, 0.1mol / l azurfa na acid da 6mol / l na yara ana iya amfani da shi don bincika ko filtrate ya ƙunshi ƙwaƙwalwar ƙwaƙwalwa.
At room temperature, the crucible contents were washed twice with 95% ethanol at 50mL, and finally with ethyl mi20mL for secondary washing. Lokaci mai narkewa bai kamata ya yi tsawo ba. An sanya mai da rauni a cikin beaker da mai zafi a kan wanka mai zafi har sai an samo ethyl mi woror.
SAURARA: Wanke tare da ethyl mi wajibi ne don cire ethanol gaba daya daga abin da ba a ciki. Idan ethanol ba a cire gaba ɗaya ba kafin bushewa na tanda, cikakken cirewa ba zai yiwu ba lokacin bushewa.
An sanya wannan da mai bugun jini a cikin tanda a 105 ℃ ± 2 ℃ Don bushewa don sanyaya don 30H, kuma auna shi da sanyaya har sai canjin taro ba ya wuce 0.003g. Idan akwai taro a lokacin bushewa 1H, mafi ƙasƙanci da taro zai yi nasara.
Sakamakon ya lissafa
Tsarkakewar hpmc hydroxypyl methyl selululose an lasafta shi azaman craction cractions p, kuma an bayyana darajar kamar%
M1 - taro na dried insolable kwayoyin halitta, a grams (g);
M0 - taro na bangon gwaji, a cikin gram (g);
W0 - danshi da kuma volatile na samfurin,%.
An rage darajar ilimin lissafi na ma'aunin layi biyu zuwa maki ɗaya a matsayin sakamakon ma'auni.
Pkaranta
Cikakken bambanci tsakanin matakan masu zaman kansu biyu masu zaman kansu sun samu a ƙarƙashin yanayin maimaitawa ba su fi zuwa 0.3% ba, sun fi karfin 0.3% ba ya wuce 5%.
Lokaci: Feb-14-2022