Sulfur dioxide i. Haʻilula, loaa, Nine Inch waiwai

'okesaside ka sulfur (sulfur dioxide i, sulfur dioxide i, sulfur dioxide i) - mea he colorless kinoea me ka maʻamauʻoi anoʻala (ala like i ka hoomalamalamaia mai ihoiho). Liquefied ma lalo o puʻe i mehana ea. Sulfur dioxide i mea wailana i loko o ka wai, ma ia ho okumu i lolelua ka sulfuricʻakika. Nō hoʻi, i kēia waiwai ua mea hoʻoheheʻe ma sulfuricʻakika a me ka ethanol. 'O kēia kekahi o nā kumu eiiiiiaiou o ka haku mele' ana o ka lua pele kinoea.

I hoomakaukau sulfur dioxide i

Awina SO2 - sulfur dioxide i - hanalima iaoia ninoieo i loko o ke ahi luaipele a pūlehu lākou i ka sulfides (pyrite uaʻano nui i hoʻohana).

4FeS2 (pyrite) + 11O2 = 2Fe2O3 (hao'okesaside) + 8SO2 (sulfur dioxide i).

Ma keʻena hoʻokolohua kumu, hiki ke loaa ma ka hana o ka ikaika nāʻakika hydrosulfites a me sulfites ka sulfur dioxide i. Pela ka mea kūpono sulfurousʻakika koke decomposes i ka wai a me ka sulfur dioxide i. No kekahi laʻana:

Na2SO3 (paʻakai sulfite) + H2SO4 (sulfuricʻakika) = Na2SO4 (paʻakai sulphate) + H2SO3 (sulfurousʻakika).
H2SO3 (sulfurousʻakika) = H2O (ka wai) + SO2 (sulfur dioxide i).

Ke kolu o ka hana ana o ka hana sulfur dioxide i ua paku ole ia i kia sulfuricʻakika ma ka paio hahana maoli nō ma luna o ka emi hana ke hooheheeia. No kekahi laʻana: cu (keleawe) + 2H2SO4 (sulfuricʻakika) = CuSO4 (keleawe sulufahate) + SO2 (sulfur dioxide i) + 2H2O (ka wai).

Nine waiwai o ka sulfur dioxide i

I ka haʻilula o ka sulfur dioxide i - SO3. Kēia mea pili i kaʻakika oxides.

1. ka sulfur dioxide i hoike mai i loko o ka wai, ma ia ho okumu i sulphurousʻakika. Ma lalo o maʻamau rula, keia naoh mea reversible.

SO2 (sulfur dioxide i) + H2O (ka wai) = H2SO3 (sulfurousʻakika).

2. alkalis sulfur dioxide i ho okumu i sulfite. No kekahi laʻana: 2NaOH (paʻakai hydroxide) + SO2 (sulfur dioxide i) = Na2SO3 (paʻakai sulfite) + H2O (ka wai).

3. Nine ka sulfur kinoea ha awina mea i lawa ke kiekie. Ka loa haʻi ka ho'ēmiʻana waiwai o ka sulfur dioxide i. Ma ia mau reactions ke degere o ka sulfur'okesaside, piʻi pū. No kekahi laʻana: 1) SO2 (sulfur dioxide i) + Br2 (bromine) + 2H2O (ka wai) = H2SO4 (sulfuricʻakika) + 2HBr (hydrogen bromide); 2) 2SO2 (sulfur dioxide i) + O2 (oxygen) = 2SO3 (sulfite); 3) 5SO2 (sulfur dioxide i) + 2KMnO4 (potasiuma permanganate) + 2H2O (ka wai) = 2H2SO4 (sulfuricʻakika) + 2MnSO4 (manganese sulphate) + K2SO4 (potasiuma sulufahate).

Hope muli o - he laʻana o ke kiʻekiʻe-kbps pane i SO2 a me SO3. Lila discoloration ia lŘlŘ) pāʻoihana.

4. Ma hua'ōlelo o ke alo aku o ka ikaika hoemi sulfur dioxide i ke ho'āʻo oxidizing waiwai. No ka laʻana, ma ka mea e extract ma ka oihana luaipele metallurgical mai flue kinoea, hoʻohana 'reconstitution o ka sulfur dioxide i me ka kalapona monoxide (CO): SO2 (sulfur dioxide i) + 2CO (kalapona monoxide) = 2CO2 (ke kalapona'okikene lua) + S (luaipele).

I oxidative waiwai o keia waiwai, ua hoʻohana 'ia e loaa fosfornovaristoy ksiloty: PH3 (phosphine) + SO2 (sulfur dioxide i) = H3PO2 (fosfornovaristayaʻakika) + S (luaipele).

Where hoʻohana sulfur dioxide i

Nui o ka sulfur dioxide i ua hoʻohana 'ia e paka sulfuricʻakika. Nō hoʻi ka mea, ua hoʻohana 'ia me ka preservative (E-220) i loko o ka hana o ka pahee kea (i ka waina a me nā inu awelika kumukuai waeʻano). Aie i ka waiwai o keia kinoea, e pepehi i kekahiʻano o microorganisms, ka mea, fumigated aee a me nō hale kūʻai. Eia hou kekahi, sulfur dioxide i ua hoʻohana 'ia no ke loloʻa hulu hipa, silika, mauʻu (i kela mau mea i hiki ole ke maloo me chlorine). Ma nā keʻena hoʻokolohua o ka sulfur dioxide i ua hoʻohana 'ia e like me ka'ūheheʻe, a e loaa likeʻole paʻakai o sulfurousʻakika.

physiological 'ole

Sulfur dioxide i ka mea he ikaikaʻawahia waiwai. Symptoms o kaʻapu kōheoheo - he cough, runny ihu, hoarseness, he hoailona ho'āʻoʻana i loko o ka waha, he ikaika tickle i loko o ka puu. Inhalation o ka sulfur dioxide i ma kiʻekiʻe nā hoʻohui like aicieeaao pilikia moni 'ia a me ka hakui o, olelo kāna hana, nausea a me ka luaʻi i hoʻomōhala huʻi pulmonary edema.

MPC o ka sulfur dioxide i:
- i loko - 10 mg / m³;
- awelika i kā mākou hana-ma ka lewa - 0,05 mg / m³.

Pā lonoaʻili i ka sulfur dioxide i in kanaka kānaka, mea kanu a me nā holoholona iʻokoʻa. No ka laʻana, i waena o ka loa hoʻopale laau birch a me ka lāʻauʻoka, a me ka mea uuku - spruce a me ka tidara.