Qhov twg yuav sulfuric acid? Designated muag khoom thiab kev pab tswv yim

Tsis yog txhua txhua cov ntaub ntawv thiab reagents yog tam sim no nyob rau hauv free khw muag khoom. Ib tug ntawm cov khoom yog ib qhov nyuaj sulfuric acid. Peb xav txog nyob rau hauv no tsab xov xwm, yog dab tsi nws yuav thiab qhov chaw uas nws yuav yuav nyob rau hauv Lavxias teb sab lub zos.

Sulfuric acid - ib tug ... Thauj, cia

Wondering qhov chaw uas koj muaj peev xwm yuav sulfuric acid, thawj rov qab txog lub thaj chaw ntawm no txaus ntshai rau tib neeg. Sulfuric acid yog ib yam ntawm ib tug muaj zog dibasic acid, nws mis - H ₂ li _4. Nyob rau hauv Russia, qhov no sib tov ntawm cov leej faj trioxide thiab dej yog ua raws li GOST 667-73, 2184-77, 4240-77. Siv ntawm qhov hnyav oily kua uas tsis muaj xim los yog tsw, nws yuav ob peb ntau yam, uas txawv nyob rau hauv lawv cov kev coj dawb huv thiab concentration.

Sulfuric acid muaj cov nram qab ib qho tseem ceeb cov khoom:

• Kev Lub ntiajteb txawj nqus - 1.85 g / cm ³ (nyob rau hauv ib qho zoo tagnrho tsis sulfuric acid - 1,92 g / cm ^3, tab sis qhov no tshuaj muaj ib tug tseem ceeb drawback - khov ntawm -10 degrees centigrade).
• Boiling point - +296,5 ^° centigrade, lub crystallization point - + 10,45 ° Celsius.
• Thaum ntau mus txog rau 70% thaum lub sij hawm cov cua kub thiab kub ntawm no acid yog faib tsuas pa dej. Thaum dua txheem ntawm H ₂ li ₄ nyob rau hauv cov huab cua thiab kuj poob teeb meem acid feem.
• Heev thiab cov tshuaj yeeb dej caw. Thaum kev sib cuag nrog cov dej yuav tsum tau ntshai tsam tsausmuag cov tshuaj tiv thaiv, uas ua nyob rau hauv hloov zuj zuj gases, vapors, tshav kub. Uas yog vim li cas thaum ua hauj lwm nrog sulfuric acid yog tsim nyog los muaj kev tshwj xeeb cov khaub ncaws, khau, ib tug txheej ntawm ib tug neeg tshuaj tiv thaiv.

Tauj mus rau thaum xaus neeg siv sulfuric acid ob txoj kev thiab kev tsheb nqaj hlau thauj. Yuav kom next siv tshwj xeeb ntim sulfuric acid (kev sulfuric acid) los yog acid-resistant tank (kom paub H ₂ li _4).

Thaum lub sij hawm cia nws yog ib nqi nco ntsoov hais tias tus sulfuric acid - ib tug tshuaj lom tshuaj teej tug mus rau lub thib ob chav kawm ntawv ntawm kev txaus ntshai. Qhov siab tshaj plaws kev nyab xeeb concentration ntawm cov pa H ₂ li ₄ - 1 mg / m ^3. Ua ntej koj yuav txiav txim siab rau qhov twg yuav sulfuric acid (kev), koj yuav tau mus yuav tshwj xeeb ntim rau cia. Nyob rau hauv nws cov chaw ntau lawm ntxiv obkladyvayut acid-resistant cib.

Kev siv cov sulfuric acid

Lub ntsiab tau txais kev pab ntawm sulfuric acid - ib tug hlau ua lag luam, ntoo ua nroj tsuag, tshuaj ua lag luam. Nws yog siv rau:

• ntxuav cov roj los ntawm cov leej faj inclusions;
• ore decomposition;
• descaling ua ntej galvanized hlau, ntawv hlau;
• npib tsib xee plating, chromium plating ib tug hlau nto;
• zus tau tej cov pharmaceuticals (feeb meej daws nyob rau hauv cov organic synthesis);
• Fertilizer ntau lawm (qhov no sector kov txog ib nrab ntawm cov sulfuric acid nyob rau hauv lub teb chaws);
• qhov siv thiab ua cov khoom cua fibers;
• ethyl cawv ntau lawm;
• ua ib tug aniline zas xim.

Cov neeg uas txaus siab nyob rau hauv qhov chaw uas yuav sulfuric acid, nws yog dua li siv raws li ntsha rau txhuas acid roj teeb.

Qhov twg yuav sulfuric acid

Lub tsev muag tshuaj sulfuric acid tsis muag khoom rau tag nrho cov. Ib tug neeg tej zaum yuav tau nws uas tsis yog-concentrated tshuaj (30-35%) nyob rau hauv khw muag khoom, paub hais tias nws pib qhov chaw thiab tsheb tshuaj. Ntau concentrated kev daws teeb meem - ib tug precursor rau cov neeg uas raug cai yog tsis muag.

Leej twg tau cog lus xws li ib tshaaj ua ntej paub qhov twg mus yuav sulfuric acid, muab tswv yim neeg.

Lub tswv yim rau Muas

Yog li ntawd, nws yog ib qho tseem ceeb los ua tim nyob rau hauv lub siab raws li nram no:

1. Ib tug private neeg, nyob rau hauv uas tsis tshua muaj mob, muag ib tug loj npaum li cas ntawm qhov no tshuaj - yuav tsum maj mam tau, los ntawm ntau yam khoom zoo.
2. Nyob rau hauv cov ntaub ntawv ntawm tsis ua hauj lwm ntawm tshaaj yuav tau sim yaj ua pa H ₂ li ₄ ntawm ntsha. Qhov siab tshaj plaws ceev li yuav tsis muaj ntau tshaj li 1.4 g / cm ^3. Evaporation yog nqa tawm nyob rau hauv ib tug iav txog ntsha rau ib xuab zeb da dej los yog gypsum. Nyob rau hauv txhua rooj plaub nws yog yooj yim sua kom tus txheej txheem no nyob hauv tsev.
3. Nco ntsoov hais tias qhov muag ntawm sulfuric acid yog nyob rau hauv kev tswj, raws li Qhov no tshuaj yog siv los tsim yeeb tshuaj, raws li zoo raws li lub tsev ua explosives. Txawm hais tias koj tau txais nws rau tus dawb huv kev ntsuam xyuas los yog rau Refilling avtoakkumulyatora nyob rau hauv uas tsis yog-me me qhov ntau, nws yuav ua rau ruaj suspicion.

Kuv yuav yuav sulfuric acid nyob rau hauv Moscow

Nyob rau hauv lub capital mus yuav sulfuric acid yuav ua tau nyob rau hauv:

• "Himmede";
• "Sigma-Tek";
• khw hauv internet JSC "KhimServis";
• Ltd. "Lub tivthaiv-reagent";
• "Odiham" LLC;
• LLC "Mega-tshuaj" (technical, rechargeable, sib ntshiab) - lub tuam txhab tsis ua hauj lwm nrog rau lwm traders.

Muag khoom ntawm sulfuric acid nyob rau hauv Lavxias teb sab lub zos

Qhov twg yuav sulfuric acid nyob rau hauv lwm yam Lavxias teb sab lub zos, xav txog lub txoj kev lub rooj.

Qhov twg yuav concentrated sulfuric acid? "Mob," rau lo lus nug rau ib tug private tog. Nyob rau hauv ntau lub zos nyob rau hauv free khw muag khoom tsuas 30-35% roj teeb daws teeb meem.