Qhov txawv ntawm formic acid thiab sodium formate yog dab tsi?

1. Cov qauv tshuaj lom neeg:

Formic acid (HCOOH): Nws yog ib hom carboxylic acid yooj yim nrog cov mis tshuaj HCOOH. Nws muaj ib pawg carboxyl (COOH), qhov twg ib qho hydrogen txuas nrog ib qho carbon thiab lwm qhov oxygen tsim ob txoj kev sib txuas nrog cov carbon.

Sodium formate (HCCONa): Nws yog cov ntsev sodium ntawm formic acid. Cov carboxylic hydrogens hauv formic acid raug hloov los ntawm sodium ions, tsim cov sodium formate.

2. Cov khoom siv lub cev:

Cov kua qaub Formic:
Nyob rau hauv chav tsev kub, formic acid yog ib tug kua tsis muaj xim nrog ib tug pungent tsw.
Nws lub kub npau yog 100.8 degrees Celsius.
Formic acid yog miscible nrog dej thiab ntau cov organic solvents.
Sodium formate:
Sodium formate feem ntau los ua hmoov dawb hygroscopic.
Nws yog soluble nyob rau hauv dej tab sis muaj kev txwv solubility nyob rau hauv qee cov organic solvents.
Vim nws cov ionic xwm, cov tshuaj no muaj qhov melting point siab dua piv rau formic acid.

3. Kua qaub los yog alkaline:

Cov kua qaub Formic:
Formic acid yog ib qho kua qaub tsis muaj zog uas tuaj yeem pub cov protons (H +) hauv cov tshuaj lom neeg.
Sodium formate:
Sodium formate yog ib qho ntsev uas tau los ntawm formic acid; nws tsis yog acidic. Hauv cov kua dej, nws decomposes rau hauv sodium ions (Na +) thiab formate ions (HCOO-).

4. Lub Hom Phiaj:

Cov kua qaub Formic:

Nws yog feem ntau siv rau hauv kev tsim cov tawv, textiles thiab dyes.
Formic acid yog ib qho tseem ceeb hauv kev ua cov tawv tsiaj thiab tawv nqaij hauv kev lag luam tawv.
Nws yog siv los ua tus neeg sawv cev txo qis thiab tshuaj tiv thaiv hauv qee qhov kev lag luam.
Hauv kev ua liaj ua teb, nws yog siv los ua cov khoom noj khoom haus kom tiv thaiv kev loj hlob ntawm qee cov kab mob thiab cov pwm.
Sodium formate:

Sodium formate yog siv los ua tus neeg sawv cev de-icing rau txoj kev thiab txoj kev khiav.
Siv ua tus neeg sawv cev txo qis hauv kev luam ntawv thiab kev lag luam dyeing.
Cov tshuaj no yog siv rau hauv kev khawb cov av nkos hauv kev lag luam roj thiab roj av.
Sodium formate yog siv los ua tus neeg sawv cev buffering hauv qee cov txheej txheem kev lag luam.

5. Kev Tsim Khoom:

Cov kua qaub Formic:

Formic acid yog tsim los ntawm catalytic hydrogenation ntawm carbon dioxide lossis cov tshuaj tiv thaiv ntawm methanol nrog carbon monoxide.
Cov txheej txheem kev lag luam cuam tshuam nrog kev siv cov catalysts thiab qhov kub thiab txias siab.
Sodium formate:

Sodium formate feem ntau yog tsim los ntawm kev ua kom cov kua qaub formic tsis muaj zog nrog sodium hydroxide.
Cov sodium formate uas tshwm sim tuaj yeem raug rho tawm los ntawm crystallization lossis tau txais hauv daim ntawv daws teeb meem.

6. Kev ceev faj txog kev nyab xeeb:

Cov kua qaub Formic:

Formic acid yog corrosive thiab tuaj yeem ua rau kub hnyiab thaum kov daim tawv nqaij.
Kev nqus pa ntawm nws cov pa yuav ua rau khaus rau lub cev ua pa.
Sodium formate:

Txawm hais tias sodium formate feem ntau suav tias tsis muaj kev phom sij ntau dua li formic acid, tseem yuav tsum tau ceev faj txog kev tuav thiab khaws cia.
Yuav tsum ua raws li cov lus qhia kev nyab xeeb thaum siv sodium formate kom tsis txhob muaj kev pheej hmoo rau kev noj qab haus huv.

7. Kev cuam tshuam rau ib puag ncig:

Cov kua qaub Formic:

Formic acid tuaj yeem lwj tau hauv qee yam mob.
Nws qhov cuam tshuam rau ib puag ncig yog cuam tshuam los ntawm cov yam xws li kev sib sau ua ke thiab lub sijhawm raug.
Sodium formate:

Feem ntau, Sodium formate suav tias yog ib puag ncig zoo thiab muaj qhov cuam tshuam qis dua li qee cov tshuaj de-icers.

8. Tus nqi thiab muaj:

Cov kua qaub Formic:

Tus nqi ntawm formic acid tuaj yeem sib txawv nyob ntawm txoj kev tsim khoom thiab kev huv.
Nws tuaj yeem yuav tau los ntawm ntau tus neeg muag khoom.
Sodium formate:

Sodium formate muaj tus nqi sib tw thiab nws cov khoom siv raug cuam tshuam los ntawm kev thov los ntawm ntau yam lag luam.
Nws yog npaj los ntawm kev ua kom cov kua qaub formic thiab sodium hydroxide tsis sib xyaw.

Formic acid thiab sodium formate yog cov sib xyaw sib txawv nrog cov yam ntxwv thiab kev siv sib txawv. Formic acid yog cov kua qaub tsis muaj zog siv rau ntau yam kev siv, los ntawm cov txheej txheem kev lag luam mus rau kev ua liaj ua teb, thaum sodium formate, cov ntsev sodium ntawm formic acid, siv rau hauv cov chaw xws li de-icing, textiles thiab kev lag luam roj thiab roj av. Kev nkag siab txog lawv cov yam ntxwv yog qhov tseem ceeb rau kev tuav pov hwm thiab kev siv tau zoo hauv ntau qhov chaw.