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amakhemikhali okwelapha amanzi
Isithombe Esivelele se-Sodium hydrosulfite
  • I-sodium hydrosulfite
  • I-sodium hydrosulfite
  • I-sodium hydrosulfite

I-sodium hydrosulfite

I-sodium hydrosulfite iyi-ejenti yokunciphisa ehlukahlukene esetshenziswa ekudayeni i-indigo. Ingasebenza futhi njengendlela elula yokususa umbala ezindwangu ezidaywe kanye nokususa i-bleach ezindwangu zakudala.

Inombolo ye-CAS: 7775-14-6

I-Molecular Formula:Na₂S₂O₄


Izicelo

Imibuzo Evame Ukubuzwa Mayelana Namakhemikhali Okwelapha Amanzi

Amathegi Omkhiqizo

Izinto

Inkomba

Isisindo se-Molar

174.107 g/mol

Ukubukeka

Impuphu ye-granular emhlophe kuya kwemhlophe kakhulu

Iphunga

Iphunga lesibabule elingenaphunga noma elibuthakathaka (iphunga lesibabule se-sulfur dioxide)

pH

(50 g/L, 20°C) 5.5–8.5

Indawo Yokuncibilika

52°C

Izakhiwo

I-sodium hydrosulfite inezakhiwo zamakhemikhali ezihlukile. Ayizinzile kakhulu esixazululweni samanzi futhi ibola kalula ibe yi-sodium sulfate, i-sodium sulfide, kanye ne-sulfur dioxide. Le nhlanganisela inezinga lokuncibilika elingu-300°C kanye nezinga lokubila elingu-1390°C, futhi izinzile uma isesimweni esomile, esiphansi. Kodwa-ke, izwa kakhulu umswakama nomoya, okusheshisa ukubola kwayo.

Izicelo

• Imboni Yezindwangu: Ingasetshenziswa njenge-ejenti yokunciphisa enkambisweni yokudaya, okuvumela ama-molecule edayi ukuthi angene endwanguni ngempumelelo enkulu. Iphinde isebenze njenge-ejenti yokufiphaza ukotini nosilika, okuthuthukisa ukukhanya nokucaca kwezindwangu.

• Imboni Yephepha: I-sodium bisulfite iyindlela ekhethwayo yokucwebezelisa i-pulp yemishini, i-pulp ye-thermomechanical, kanye ne-pulp ekhishwe i-inki, okuthuthukisa kakhulu ubumhlophe kanye nekhwalithi yemikhiqizo yephepha.

• Imboni Yokudla: Njengesengezo sokudla, isebenza njenge-bleaching agent kanye ne-antioxidant yezithelo ezifakwe amaswidi, imifino eyomisiwe, ama-noodle, namagilebhisi. Isiza ekugcineni umbala wokudla futhi yandise isikhathi sokuphila kwayo.

• Ubunjiniyela Bezemvelo: Ekuhlanzweni kwamanzi angcolile, i-sodium metabisulfite inciphisa izinto eziyingozi, okubangela ukukhishwa kwamanzi ahlanzekile naphephile.

• Imboni Yamakhemikhali: Isebenza njenge-ejenti yokunciphisa ekwakhiweni kwe-thiourea kanye nama-sulfide ayo, idlala indima ebalulekile ekusabeleni okuhlukahlukene kwamakhemikhali.

Ukupakisha

Ipakishwe ngezigubhu zensimbi noma izikhwama zepulasitiki, enesisindo esisukela ku-15 kuya ku-200 kg. Itholakala ngezigubhu ezingama-20/50 kg kanye nezikhwama zepulasitiki ezivaliwe kabili ezingama-250 g.

I-Sodium Hydrosulfite详情图1
I-Sodium Hydrosulfite详情图2

Isitoreji

Gcina endaweni eyomile, epholile, enomoya omuhle emazingeni okushisa aphakathi kuka-+5°C no-+30°C. Ukuze uvimbele ukusabela kwamakhemikhali, gwema ukuthintana nama-asidi aqinile, izinto ezikhipha i-oxidizing, amanzi, kanye nomswakama. Uma uphatha impuphu, gqoka amagilavu, imaski yothuli, kanye nezibuko zokuphepha. Gcina lo mkhiqizo ungafinyeleleki ezinganeni nasezifuyweni.

Ezokuthutha

Njengoba lo mkhiqizo uzwela umswakama nomoya, okungaholela ekukhishweni kwe-sulfur dioxide (SO₂), kufanele kuthathwe izinyathelo zokuphepha ezifanele ngesikhathi sokuthuthwa.

Amagama afanayo

I-Sodium Dithionite

I-Powde Yomshwalense

I-asidi ye-dithionous

Dusawoti we-isodium

I-Blankit

I-Blankit IN

I-Burmol

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