I-hydrogen peroxide
Ukuhlolisisa komkhiqizo
Ibizo lekhemikhali: I-Hydrogen Peroxide
Inomboro ye-CAS: 7722-84-1
Ifomula yamamolekhyuli: H2O2
Ubunzima bamamolekhyuli: 34.01 g/mol�
Ukubukeka: Uketshezi olungenambala, olukhanyayo, olungenaphunga (amazinga aphasi) ukuya ketshezi elinamathela kancani (amazinga aphezulu)
Ukugxila okujayelekileko: 3% (wekhaya/wezokwelapha), 30% (wezebubulo), 50-70% (webubulo eliphezulu)
I-hydrogen peroxide (H2O2) yi-ejenti enamandla kodwana ehlukileko eyaziwa ngekghono layo lokubola ibe ngamanzi (H2O) kanye ne-oksijini (O2) — ingatjhiyi iinsalela ezinobuthi. Ubunjalo obunobungani bemvelo, buhlanganiswe nezakhiwo zayo eziqinileko zokukhiqiza i-oksijini, kwenza bona ibe yinto ejayelekileko kiyo yoke imikhakha yemizi, yezokwelapha, yezebubulo, neyezokulima. Itholakala ngamazinga alungiselelwe ukuhlangabezana neendingo ezithileko zokusetjenziswa, ukusuka ekunakekelweni kwesilonda okuthambileko ukuya ekusetjenzisweni okuqinileko kwebubulo.
Iimpahla eziqakathekileko neenzuzo
| Ipahla | Ukucaciswa | Inzuzo eqakathekileko |
| Amandla wokwenza i-oksijini | 1.77 V (amandla we-electrode ajwayelekileko) | Ibhidliza kuhle izinto ezisilaphazako eziphilako/ezingaphiliko; ibulala amagciwane (amagciwane, amagciwane, i-fungi) |
| Ukuncibilika | Ihlanganiswa namanzi ngazo zoke izinga | Kulula ukuyinciphisa ukuya emazingeni afunekako; ihambisana nokwakheka kwamanzi |
| Ukuziphatha kokubola | Zizinzile emazingeni womtjhiso wegumbi (lokha nazigcinwe kuhle); ibola ngokutjhisa/ukukhanya/ama-catalyst (isib., i-MnO₂) | Ikhupha i-oksijini ukwenzela bona kube nomoya (isib., ukuhlanza amanzi angcolileko) ngaphandle kwemikhiqizo enobuthi |
| pH (30% Isisombululo) | ~4.0 (ine-esidi encani) | Kwehlisa ukugqwala kwezinto ezihambisanako; ikhuphula ukuzinza ngesikhathi sokugcina |
| Ubumsulwa (Izinga lebubulo) | ≥99.5% (ngaphandle kwamanzi; okuqukethwe okuphasi kwensimbi ebudisi: ≤5 ppm Pb) | Iqinisekisa ukusebenza okungaguqukiko; ibalekela ukusilaphazeka okuphazamisa iinkambo |
Iimpahla eziqakathekileko neenzuzo
Ipahla
Ukucaciswa
Inzuzo eqakathekileko
Amandla wokwenza i-oksijini
1.77 V (amandla we-electrode ajwayelekileko)
Ibhidliza kuhle izinto ezisilaphazako eziphilako/ezingaphiliko; ibulala amagciwane (amagciwane, amagciwane, amafungi)
Ukuncibilika
Ihlanganiswa namanzi ngazo zoke iinlinganiso
Kulula ukuyinciphisa ukuya emazingeni afunekako; ihambisana namafomula wamanzi
Ukuziphatha kokubola
Zizinzile emazingeni womtjhiso wegumbi (lokha nazigcinwe kuhle); ibola ngokutjhisa/ukukhanya/ama-catalysts (isib., i-MnO₂)
Ikhupha i-oksijini ukwenzela bona kube nomoya (isib., ukuhlanza amanzi angcolileko) ngaphandle kwemikhiqizo enobuthi
pH (30% Isixazululo)
~4.0 (e-esidi encani)
Kwehlisa ukugqwala kwezinto ezihambisanako; ithuthukisa ukuzinza ngesikhathi sokugcina�
Ukuhlanzeka (Izinga lezebubulo)
≥99.5% (ngaphandle kwamanzi; okuqukethwe okuncani kwensimbi ebudisi: ≤5 ppm Pb)
Iqinisekisa ukusebenza okungaguqukiko; ibalekela ukusilaphazeka okuphazamisa iinkambo
Iinsetjenziswa ezijayelekileko
Ukutjhuguluka kwe-H₂O₂ kwenza bona ibe yinto eqakathekileko kizo zoke iimboni ezihlukahlukeneko, ngokudzimelela okulawula ubujamo bokusetjenziswa:
3.1 Izokwelapha nezamaphilo (3-6% yokugxila)
Ukubulala amagciwane eenlondani: Isisombululo esingu-3% sisetjenziselwa ukuhlanza ukusikeka okuncani, ukuklwebheka, nokutjhiswa — okwenza amagciwane abe ne-oksijini lokha nakwenza isivikelo sokutheleleka.
Ukuhlwengeka komlomo: Kufakwa ema-mouthwash ukwehlisa i-plaque, ukubulala amagciwani wokuphefumula kumbi, nokwenza amazinyo abe mhlophe (ngeendlela ezilawulwako).
Ukubulala amagciwani weensetjenziswa zezokwelapha: Iinsombululo ezinezinga eliphasi zibulala amagciwane emathulusi angahlaseli (isib., amathemomitha, iinsetjenziswa zamazinyo) ngaphandle kokulimaza iindawo.
3.2 Iinsetjenziswa zasekhaya nezokuthenga (3-10% ukugxila)
Ukuhlanza Impahla: Enye indlela elula yokusebenzisa ibhlitjhi ye-chlorine; yenza iindwangu zibe mhlophe (ikoteni, ilineni) begodu isusa amabala wezinto eziphilako (ikofi, itiye, iingazi) ngaphandle kokufiphala imibala.
Ukuhlanza indawo: Kubulala amagciwani emathafuleni wekhishini, izinto zokugezela, kanye namaphasi — kusebenza kuhle ekulwisaneni nesikhunta, isikhunta, kanye namagciwani avela ekudleni (isib., i-E. coli, i-Salmonella).
Ukutlhogonyelwa kweenhluthu: Isetjenziswa ekubunjweni kwe-hair bleach (6-10% yokugxila) ukwenza iinhluthu zibe mhlophe ngokwenza i-melanin ibe lula.
3.3 Ukusebenza kwezebubulo (30-70% yokugxila)
Ukuhlanza iphepha ne-Pulp: Ukusetjenziswa okukhulu khulu emabubulweni — i-30-50% H2O2 yenza i-pulp yeplanka ibe mhlophe iphepha lekhwalithi ephezulu (isib., amathitjhu, iphepha lokugadangisa) ngaphandle kwemikhiqizo ye-chlorine enobuthi.
Ukukhiqizwa kwendwangu: Kuhlanza imicu yemvelo (ikoteni, uboya) kanye neyokwenziwa (ipholiyesta); yenza ngcono ubumhlophe bendwangu nokuqina kombala ngaphambi kokudaya.
Ukuhlanzwa kwamanzi angcolileko: Kuphula izinto ezisilaphazako (ama-phenols, amadayi, ama-cyanide) begodu kwehlisa amazinga we-COD/BOD; ikhupha i-oksijini ukukhuphula ukusebenza kwamagciwani.
I-elekthronikhi: I-H2O2 ehlanzekileko (70%) ihlanza ama-semiconductor wafers — isusa ama-oxide angaphezulu kanye nezinto ezisilaphazako ukuqinisekisa ukusebenza kuhle kwe-chip.
3.4 Ezolimo (10-30% yokugxila)
Ukubulala amagciwane ehlabathini: Iinsombululo ezihlanjululweko zibulala amagciwane athwala ihlabathi, ama-nematode, kanye nembewu yokhula; ukukhutjhwa kwe-oksijini kwenza ngcono ukungena komoya ehlabathini ukukhula kwemirabhu.
Ukuvikela iintjalo: Iintjalo ezine-concentration encani zikhuphula ukujamelana kweentjalo emalwelweni we-fungal (isib., i-powdery mildew) begodu zisebenza njengesikhuthazi sokukhula kwemvelo.
Ukuphepha nokuthobela
4.1 Imihlahlandlela yokuphatha
Iinsetjenziswa zokuzivikela (i-PPE): Ekuhlanganisweni okungaphezu kwama-30%, gqoka amagilavu angathathwa makhemikhali (i-nitrile), amagilasi wokuvikela, kanye nejazi lelebhu — balekela ukuthintana nesikhumba/amehlo (kungabanga ukutjhisa).
Ukubulunga: Beka endaweni epholileko, emnyama, enomoya omuhle; sebenzisa i-HDPE engabonakaliko nofana iintja zengilazi (ukukhanya kurhabisa ukubola). Hlukanisa amafutha, ama-asidi, kanye neensimbi (isib., insimbi, ithusi) ukukhandela ukusabela okungakalindeleki.
Isizo lokuthoma: Nawuthintanako, hlambulula isikhumba/amehlo ngamanzi abandako imizuzu eli-15+; ukungena kutlhoga ukutlhogonyelwa kwezokwelapha msinyana.
4.2 Ukuthobela imithetho
I-FDA (US): Ivunyelwe ukusetjenziswa kokudla (isib., ukubulala amagciwane emitjhini yokupheka ukudla) kanye nokusetjenziswa kwezokwelapha ngaphandle kwemithi (OTC) (3% yezisombululo zokunakekelwa kwesilonda).
REACH (EU): Ibhaliswe ngaphasi kwe-REACH; ukuthobela imikhawulo yokungcola kwensimbi ebudisi yokusetjenziswa emabubulweni nabathengi.
I-OSHA (US): Umkhawulo wokuvezwa emsebenzini (OEL) ubekwe ku-1 ppm (i-8-hour TWA) ukuvikela abasebenzi abaphatha amazinga aphezulu.
Amazinga we-ISO: I-H2O2 yethu yezinga lebubulo ihlangabezana ne-ISO 8413 (iimfanelo ze-hydrogen peroxide) kanye ne-ISO 9001 (ukuphathwa kwekhwalithi).
Iphepha ledatha yezobuchwepheshe (TDS) amaphuzu aqakathekileko
| Ipharamitha | 3% Ibanga lezokwelapha | 30% Igreyidi yamabubulo | Indlela yokuhlola |
| Ukuhlolwa (Okuqukethwe kwe-H2O2) | 2.5 - 3.5% | 29.0 - 31.0% | I-potassium permanganate titration |
| Okuqukethwe yi-Heavy Metal (Pb) | ≤1 ppm | ≤5 ppm | I-Atomic Absorption Spectroscopy (AAS) |
| I-esidi yamahhala (njenge-H₂SO₄) | ≤0.02% | ≤0.04% | I-sodium hydroxide titration |
| Ukuminyana (20°C) | 1.01 g/cm3 | 1.11 g/cm3 | I-hydrometer/densitometer |
| Ukuzinza (iinyanga ezi-6) | ≥95% ukugcinwa | ≥90% ukugcinwa | Ukugcinwa ku-25°C (ubujamo obumnyama) |
Kubayini Sikhetha I-Hydrogen Peroxide Yethu?
Ukugxila okulungiselelwe: Sinikela nge-3% (yezokwelapha/yekhaya), i-30% (yebubulo), kanye ne-50-70% (yokuhlanzeka okuphezulu) ukufanisa iindingo zakho.
Ukwakheka okuhlanzekileko: Amazinga aphasi wensimbi ebudisi nokungcola kuqinisekisa ukuhambisana neenkambo ezibucayi (isib., i-elekthronikhi, imithi).
Ukuphakelwa okuzinzileko: Iindawo zethu zokukhiqiza (umthamo wonyaka: amathani ayi-100,000) ziqinisekisa ukulethwa ngesikhathi kwama-oda amanengi namancani.
Ilungele ibhoduluko: Ibola ibe mamanzi ne-oksijini — isekela iminqopho yokusimama (isib., ukufaka amakhemikhali ane-chlorine).
Isekelo lobuthekhnikhi: Isiqhema sethu samakhemikhali sinikela isiqondiso sokuncibilikisa, ukubulunga, nokwenza ngcono ukusetjenziswa.
Sithinte
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