Acide acike ikwirakwizwa cyane muri kamere Ubushinwa igiciro cya acide acide

Ibisobanuro bigufi:

Acide Acike

Acide acike, formulaire ya chimique CH3COOH, ni acide monobasic organique, igice cyingenzi cya vinegere. Acide ya acide ya anhydrous acide (acide glacial acetic acide) ni amazi ya hygroscopique idafite ibara. Ingingo yo gukonjesha ni 16,6 ° C (62 ° F) .Nyuma yo gukomera, ni ni kirisiti itagira ibara kandi igisubizo cyayo cyamazi ni acide acide kandi irashobora kwangirika cyane.Bora cyane kwangirika kwibyuma kandi amavuta arakaza amaso nizuru.

Acide acetike ikwirakwizwa cyane muri kamere, nko mumavuta yimbuto cyangwa amavuta yimboga. Acide acetike ibaho cyane cyane muburyo bwa esters.Mu nyama zinyamanswa, imyanda n'amaraso, aside acike ibaho muburyo bwa acide yubusa.Mikorobe nyinshi zirashobora guhindura organic zitandukanye ibintu muri acide acike binyuze muri fermentation.


Ibicuruzwa birambuye

Ibicuruzwa

Ingaruka zaacidebifitanye isano no kwibanda kwa acide acike.Umuryango w’ubumwe bw’ibihugu by’Uburayi utanga ibisubizo bya aside irike ni urugero mu mbonerahamwe ikurikira:

Kwibanda (misa)

Ubwinshi

Gutanga amanota

R-Amagambo

10% –25%

1.67–4.16 mol / L.

Kurakara(Xi)

R36 / 38

25% –90%

4.16–14.99 mol / L.

Ruswa(C)

R34

> 90%

> 14.99 mol / L.

Ruswa(C)

R10, R35

Imiterere yumubiri:

Ingingo yo guteka: 117.9 ℃

Ingingo yo gukonjesha: 16.6 ℃

Ubucucike bugereranijwe (amazi = 1): 1.050

Viscosity (mPa.s): 1.22 (20 ℃)

Umuvuduko wumwuka kuri 20 ° C (KPa): 1.5

Ironderero (n20ºC): 1.3719

Ironderero (n25ºC): 1.3698

Viscosity (mPa s, 15ºC): 1.314

Viscosity (mPa s, 30ºC): 1.040

Ubushyuhe bwo guhumeka (kJ / mol, 25ºC): 23.05

Ubushyuhe bwo guhumeka (kJ / mol, bp): 24.39

Ubushyuhe bwo guhuza (kJ / kg): 108.83

Ubushyuhe bwo gushiraho (kJ / mol, 25ºC, amazi): -484.41

Ubushyuhe bwo gutwika (℃): 426

Igipimo cyo hejuru hejuru (%): 16.0

Umubare ntarengwa wo guturika (%): 5.4

Gukemura: gushonga mumashanyarazi kama nkamazi, Ethanol, ether, karubone tetrachloride na glycerol.

acide acetike-8 acide acetike-12

Reba hamwe na organic organique

  1. Acide acike irashobora gufata imyunyu imwe kugirango ikore acetate ihuye.

Acide acike na karubone ya sodium: 2CH3COOH + Na2CO3 == 2CH3COONa + CO2 ↑ + H2O

Acide acike na karubone ya calcium: 2CH3COOH + CaCO3 == (CH3COO) 2Ca + CO2 ↑ + H2O

Acide acike na sodium bicarbonate: NaHCO3 + CH3COOH == CH3COONa + H2O + CO2

Acide acike ifata imyunyu ya acide idakomeye: 2CH3COOH + CO32 - == 2CH3COO- + H2O + CO2

Ibikurikira nigipimo cyigihugu cya Repubulika yUbushinwa kuri acide acetike yinganda:

Ingingo

Byihariye

Icyiciro

Premium

Icyiciro cya mbere

Yujuje ibyangombwa

Chroma, Hazen Units (Platinum-Cobalt) ≤

10

20

30

Acide ya acike% ≥

99.8

99.0

98.0

Ubushuhe% ≤

0.15

-

-

Ibirimo aside irike% ≤

0.06

0.15

0.35

Acetaldehyde ibirimo% ≤

0.05

0.05

0.10

Umwuka usigaye% ≤

0.01

0.02

0.03

Ibirimo ibyuma (nka Fe)% ≤

0.00004

0.0002

0.0004

Kugabanya ibintu bya potasiyumu permanganate min ≥

30

5

-

acide acetike-7 acide acetike-13

Gusaba

  1. Acide ya acetike irashobora gukoreshwa mubisubizo bimwe na bimwe byo gutoragura no gusya, nka buffer mugisubizo cya acide idakomeye (nka plaque ya zinc, plaque ya nikel idafite amashanyarazi), nk'inyongera muri nikel-yaka nikel isize electrolytite, no mubisubizo bya passivation ya zinc na kadmium.Irashobora kunoza imbaraga za firime ya passivation kandi ikoreshwa kenshi muguhindura pH yumuti wa acide udakomeye.
  2. Ikoreshwa mugukora acetate, nkumunyu wibyuma nka manganese, sodium, gurş, aluminium, zinc, cobalt, nibindi, bikoreshwa cyane nka catalizator, abafasha mubikorwa byo gusiga amarangi hamwe ninganda zogosha uruhu. ;kurongora tetraacetate ni synthesis synthesis reagent (kurugero, tetraacetate yiyobora irashobora gukoreshwa nka okiside ikomeye, itanga isoko yitsinda rya acetoxy, kandi igategura ibiyobora kama, nibindi).
  3. Acide acike irashobora kandi gukoreshwa nka reagent analytique, synthesis organic, synthesis ya pigment na farumasi.

Icyegeranyo

Igishushanyo mbonera

jzhuangx

Gucunga ubwikorezi

Igihe ntarengwa cyo gutwara gari ya moshi niki gicuruzwa ni ugukoresha imodoka ya tank itangwa n’umushinga wa aluminium kugirango woherezwe, kandi igomba kumenyeshwa ishami ryabigenewe kugira ngo iyemeze mbere yo koherezwa.Ku bwikorezi butabitswe na gari ya moshi, bugomba guteranyirizwa hamwe bikurikiza neza imbonerahamwe y’ibicuruzwa bihuye neza muri “Amategeko yo gutwara ibicuruzwa biteje akaga” ya Minisiteri ya Gari ya moshi.Ibipfunyika bigomba kuba byuzuye kandi gupakira bigomba kuba bifite umutekano mugihe cyoherejwe.Mu gihe cyo gutwara abantu, menya neza ko kontineri idatemba, igwa, igwa cyangwa ngo yangiritse. Ikamyo ya tank (tank) ikoreshwa mu gutwara igomba kuba ifite urunigi rwo hasi. . inzira yagenwe, kandi ntuhagarare ahantu hatuwe no mubice bituwe cyane.

gukusanya uruganda gukusanya uruganda4 uruganda3 icyegeranyo cya factoye8


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