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iikhemikhali zokucoca amanzi
Umfanekiso obonisiweyo weSodium hydrosulfite
  • I-sodium hydrosulfite
  • I-sodium hydrosulfite
  • I-sodium hydrosulfite

I-sodium hydrosulfite

I-sodium hydrosulfite sisithako esinokusetyenziswa kwiindawo ezahlukeneyo xa kudaywa i-indigo. Ingasebenza njengendlela elula yokususa umbala kwilaphu elidayiweyo kunye nokudaywa kwempahla yakudala.

Inombolo ye-CAS: 7775-14-6

Ifomula yemolekyuli:Na₂S₂O₄


Izicelo

Imibuzo ebuzwa rhoqo malunga neekhemikhali zokucoca amanzi

Iithegi zeMveliso

Izinto

Isalathiso

Ubunzima beMolar

174.107 g/mol

Inkangeleko

Umgubo wegranular omhlophe ukuya komhlophe ongekho mhlophe

Ivumba elibi

Ivumba lesalfure elingenavumba okanye elibuthathaka (ivumba lesalfure dioxide)

pH

(50 g/L, 20°C) 5.5–8.5

Indawo yokunyibilika

52°C

Iipropati

I-sodium hydrosulfite ineempawu ezikhethekileyo zeekhemikhali. Ayizinzanga kakhulu kwisisombululo samanzi kwaye ibola ngokulula ibe yi-sodium sulfate, i-sodium sulfide, kunye ne-sulfur dioxide. Le khompawundi ineqondo lokunyibilika elingama-300°C kunye neqondo lokubila elingama-1390°C, kwaye izinzile phantsi kweemeko ezomileyo nezishushu. Nangona kunjalo, inovelwano kakhulu kumswakama nomoya, nto leyo ekhawulezisa ukubola kwayo.

Izicelo

• Ishishini leempahla zelaphu: Lingasetyenziswa njengesixhobo sokunciphisa idayi kwinkqubo yokudaya, livumela iimolekyuli zedayi ukuba zingene kwilaphu ngempumelelo. Likwasebenza njengesixhobo sokudaya umqhaphu kunye nesilika, nto leyo ephucula ukukhanya nokucaca kweempahla zelaphu.

• Ishishini lePhepha: I-sodium bisulfite yeyona arhente yokunyibilikisa i-bleach ekhethwayo kwi-mechanical pulp, i-thermomechanical pulp, kunye ne-deinked pulp, nto leyo ephucula kakhulu ubumhlophe kunye nomgangatho weemveliso zephepha.

• Ishishini Lokutya: Njengesithako sokutya, isebenza njenge-bleaching agent kunye ne-antioxidant kwiziqhamo eziswiti, imifuno eyomisiweyo, ii-noodles kunye neediliya. Inceda ukugcina umbala wokutya kwaye yandise ixesha lokuphelelwa.

• Ubunjineli Bendalo: Kunyango lwamanzi amdaka, i-sodium metabisulfite inciphisa izinto eziyingozi, nto leyo enegalelo ekukhutshweni kwamanzi acocekileyo nakhuselekileyo.

• Ishishini leeKhemikhali: Lisebenza njengearhente yokunciphisa ukwenziwa kwe-thiourea kunye nee-sulfide zayo, lidlala indima ebalulekileyo kwiindlela ezahlukeneyo zeekhemikhali.

Ukupakisha

Zipakishwe kwiidrama zentsimbi okanye kwiingxowa zeplastiki, ezinobunzima obuphakathi kwe-15 ukuya kwi-200 kg. Zifumaneka kwiidrama ezingama-20/50 kg kunye neengxowa zeplastiki ezitywiniweyo kabini ezingama-250 g.

ISodium Hydrosulfite详情图1
ISodium Hydrosulfite详情图2

Indawo yokugcina izinto

Gcina kwindawo eyomileyo, epholileyo, nengena umoya kakuhle kumaqondo obushushu aphakathi kwe-+5°C kunye ne-+30°C. Ukuthintela ukusabela kweekhemikhali, kuphephe ukudibana nee-asidi ezinamandla, izinto ezibangela i-oxidizing, amanzi kunye nokufuma. Xa uphatha umgubo, nxiba iiglavu, imaski yothuli, kunye neeglasi zokhuseleko. Gcina le mveliso kude nokufikelela kwabantwana kunye nezilwanyana zasekhaya.

Uthutho

Njengoko le mveliso inovakalelo kumswakama nomoya, nto leyo enokubangela ukukhululwa kwe-sulfur dioxide (SO₂), kufuneka kuthathwe amanyathelo okhuseleko afanelekileyo ngexesha lokuthuthwa.

Izithethantonye

I-Sodium Dithionite

I-inshurensi yePowde

I-asidi ye-Dithionous

Dityuwa ye-isodium

I-Blankit

I-Blankit IN

IBurmol

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    Okanye, nceda unikeze uphawu okanye imodeli yemveliso oyisebenzisayo ngoku. Iqela lethu lobuchwephesha liza kukucebisa imveliso efanelekileyo kuwe.

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    Ewe, iqela lethu lobuchwephesha linokunceda ekuphuhliseni iifomyula ezintsha okanye ukuphucula iimveliso ezikhoyo.

     

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