Sodium chloride

Sodium chloride

Tus lej CAS: 7647-14-5

Alias: ntsev rooj; ntsev pob zeb

Cov lus Askiv cuav: Cov ntsev nquag; Cov ntsev rooj; Roch ntsev; Hiav txwv ntsev

Cov mis mos molecular: NaCl

Qhov hnyav molecular: 58.44

Cov Khoom: siv lead dawb, yaj hauv dej. Ntawm 25 ° C, 1g yaj hauv 2.8ml dej, 2.6ml dej npau, thiab 10ml glycerin, thiab yuav luag tsis yaj hauv ethanol. Nws cov solubility hauv dej txo qis los ntawm qhov muaj hydrochloric acid, thiab nws yuav luag tsis yaj hauv concentrated hydrochloric acid. Cov kua dej yog nruab nrab, nrog pH ntawm 5.0 ~ 8.0. Qhov ceev sib piv 2.17. Melting point 804 ℃. Boiling point 1413 ℃. Qhov nruab nrab tuag taus koob tshuaj (nas, qhov ncauj) yog 3.75 ± 0.43g / kg.

Kev khaws cia: kaw thiab khaws cia.

siv

1. Cov tshuaj reagent analytical, siv rau kev sim ntsev tsuag kom paub txog kev tiv thaiv xeb ntawm cov hlau. Ib qho qauv rau kev ntsuas cov nyiaj nitrate. Kev txiav txim siab me me ntawm fluorine thiab silicates. Kev kuaj ntshav niaj hnub; kev kuaj mob siab, thiab lwm yam.

2. Sodium chloride yog ib qho tseem ceeb ntawm cov khoom siv tshuaj lom neeg, siv dav hauv ntau qhov chaw xws li tshuaj, textiles, luam ntawv thiab zas xim, roj hmab, khoom noj thiab kev ua liaj ua teb.

3. Siv los npaj tris buffer, phosphate buffered saline, MPM-2 (mitotic protein monoclonal 2) cell lysis buffer, immunoprecipitation ntxuav buffer, LB (Luria-Bertani) medium thiab dialysis buffer

4. Nws yog siv dav hauv kev npaj tshuaj thiab siv ua tus nkag mus rau hauv cov kua tshuaj, tus neeg muab tshuaj lossis txheej txheej hauv cov tshuaj khov kho thiab cov tshuaj semi-khoom, tus neeg ua kom cov tshuaj thiab cov tshuaj ntsiav ntsev, tus neeg ua haujlwm tshuaj lom neeg, thiab cov khoom siv raw tshuaj.

5. Hauv cov kab ke ntawm lub cev, sodium chloride yog ib qho electrolyte yooj yim uas tuaj yeem kho qhov siab osmotic, pH sib npaug thiab conductivity. Nws ua lub luag haujlwm tseem ceeb hauv kev tswj cov qauv protein thiab txhawb kev ua haujlwm ntawm enzyme. Nws yog ib qho tseem ceeb rau kev ruaj khov cov qauv protein thiab catalyzing biochemical reactions. tseem ceeb heev.

Cov Ntaub Ntawv Tiv Tauj

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