Sodium chloride

Sodium chloride

CAS Nr .: 7647-14-5

Alias: rooj ntsev; pob zeb ntsev

English aliases: Common ntsev; Rooj ntsev; Roch ntsev; Hiav txwv ntsev

Cov mis mos molecular: NaCl

Molecular Luj: 58.44

Khoom: dawb crystal, soluble hauv dej. Ntawm 25 ° C, 1g yog soluble hauv 2.8ml dej, 2.6ml boiling dej, thiab 10ml glycerin, thiab yuav luag insoluble nyob rau hauv ethanol. Nws solubility hauv dej yog txo los ntawm muaj hydrochloric acid, thiab nws yuav luag insoluble nyob rau hauv concentrated hydrochloric acid. Cov tshuaj aqueous yog nruab nrab, nrog pH ntawm 5.0 ~ 8.0. Tus txheeb ze ntom ntom 2.17. Melting point 804 ℃. Kub taw tes 1413 ℃. Cov koob tshuaj nruab nrab (nas, qhov ncauj) yog 3.75 ± 0.43g / kg.

Cia: kaw thiab khaws cia.

siv

1. Analytical reagent, siv rau ntsev tsuag tshuaj ntsuam xyuas hlau corrosion kuj. Ib qho qauv rau ntsuas nyiaj nitrate. Microdetermination ntawm fluorine thiab silicates. Kev kuaj ntshav niaj hnub; kuaj lub siab ua haujlwm, thiab lwm yam.

2. Sodium chloride yog ib qho tseem ceeb ntawm cov tshuaj raw khoom, dav siv nyob rau hauv ntau yam xws li tshuaj, textiles, luam ntawv thiab dyeing, roj hmab, zaub mov thiab kev ua liaj ua teb.

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

4. Nws yog dav siv nyob rau hauv kev npaj tshuaj thiab yog siv raws li ib tug penetrant nyob rau hauv cov kua ntau npaum cov ntaub ntawv, ib tug muab tub lim los yog txheej tus neeg sawv cev nyob rau hauv cov ntaub ntawv ntau npaum li cas thiab semi-solid dosage forms, ib tug diluent nyob rau hauv salting tawm kws tshuaj thiab tsiav tshuaj, ib tug organic tshuaj tiv thaiv catalyst, thiab cov khoom siv tshuaj.

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

Cov ntaub ntawv tiv tauj

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