Hydrogen peroxide
Chidule cha Zamalonda
Dzina la Mankhwala: Hydrogen Peroxide
Nambala ya CAS: 7722-84-1
Fomula ya Molekyulu: H₂O₂
Kulemera kwa Mamolekyulu: 34.01 g/mol
Mawonekedwe: Madzi opanda mtundu, oyera, opanda fungo (ochepa) mpaka madzi okhuthala pang'ono (ochuluka kwambiri)
Kuchuluka kwa anthu: 3% (zapakhomo/zachipatala), 30% (zamakampani), 50-70% (zamakampani oyeretsa kwambiri)
Hydrogen peroxide (H₂O₂) ndi mankhwala amphamvu komanso opindulitsa omwe amadziwika kuti amatha kuwola m'madzi (H₂O) ndi mpweya (O₂) — osasiya zotsalira za poizoni. Khalidweli ndi logwirizana ndi chilengedwe, kuphatikiza ndi mphamvu zake zamphamvu zowola, limapangitsa kuti likhale lofunika kwambiri m'magawo a m'nyumba, azachipatala, mafakitale, ndi ulimi. Limapezeka m'magulu osiyanasiyana kuti likwaniritse zosowa zinazake, kuyambira pakusamalira mabala pang'ono mpaka kukonza zinthu zambiri m'mafakitale.
Katundu Wofunika & Ubwino
| Katundu | Kufotokozera | Ubwino Wapakati |
| Kuthekera kwa Oxidizing | 1.77 V (mphamvu yokhazikika ya elekitirodi) | Imaphwanya bwino zinthu zodetsa zachilengedwe/zopanda chilengedwe; imapha tizilombo toyambitsa matenda (mabakiteriya, mavairasi, bowa) |
| Kusungunuka | Kusakaniza ndi madzi muyeso uliwonse | Zosavuta kusakaniza mpaka kuchuluka komwe mukufuna; zimagwirizana ndi mapangidwe amadzimadzi |
| Khalidwe Lowonongeka | Yokhazikika kutentha kwa chipinda (ikasungidwa bwino); imawola ndi kutentha/kuwala/zothandizira (monga, MnO₂) | Amatulutsa mpweya wokwanira kuti mpweya ulowe (monga kuyeretsa madzi otayidwa) popanda zinthu zina zoopsa |
| pH (30% Yankho) | ~4.0 (yokhala ndi asidi pang'ono) | Amachepetsa dzimbiri la zinthu zogwirizana; amalimbitsa kukhazikika panthawi yosungira |
| Chiyero (Giredi ya Mafakitale) | ≥99.5% (kupatula madzi; chitsulo cholemera chochepa: ≤5 ppm Pb) | Zimathandiza kuti ntchito iyende bwino nthawi zonse; zimapewa zinthu zodetsa zomwe zimasokoneza njira zogwirira ntchito |
Katundu Wofunika & Ubwino
Katundu
Kufotokozera
Ubwino Wapakati
Kuthekera kwa Oxidizing
1.77 V (mphamvu yokhazikika ya electrode)
Amachotsa bwino zinthu zodetsa zachilengedwe/zopanda chilengedwe; amapha tizilombo toyambitsa matenda (mabakiteriya, mavairasi, bowa)
Kusungunuka
Kusakaniza ndi madzi muyeso uliwonse
Yosavuta kuchepetsedwa mpaka kuchuluka komwe mukufuna; imagwirizana ndi mapangidwe amadzi
Khalidwe Lowonongeka
Yokhazikika kutentha kwa chipinda (ikasungidwa bwino); imawola ndi kutentha/kuwala/zothandizira (monga, MnO₂)
Amatulutsa mpweya wokwanira kuti mpweya ulowe (monga kuyeretsa madzi otayidwa) popanda zinthu zina zoopsa
pH (30% Yankho)
~4.0 (yokhala ndi asidi pang'ono)
Amachepetsa dzimbiri la zinthu zogwirizana; amalimbitsa kukhazikika panthawi yosungira
Chiyero (Gawo la Mafakitale)
≥99.5% (kupatula madzi; kuchuluka kwa zitsulo zolemera zochepa: ≤5 ppm Pb)
Zimathandiza kuti ntchito iyende bwino nthawi zonse; zimapewa zinthu zodetsa zomwe zimasokoneza njira zogwirira ntchito
Mapulogalamu Odziwika
Kusinthasintha kwa H₂O₂ kumapangitsa kuti ikhale yofunika kwambiri m'mafakitale osiyanasiyana, ndipo kugwiritsira ntchito kwake kumadalira kwambiri:
3.1 Zachipatala ndi Zaumoyo (3-6% Kuchuluka kwa Anthu)
Kupha Matenda a Mabala: Mankhwala a 3% amagwiritsidwa ntchito kwambiri kuyeretsa mabala ang'onoang'ono, mikwingwirima, ndi kupsa — kutulutsa okosijeni kwa tizilombo toyambitsa matenda pamene tikupanga chotchinga choteteza ku matenda.
Ukhondo wa Mkamwa: Umawonjezeredwa ku zotsukira pakamwa kuti uchepetse plaque, kupha mabakiteriya otulutsa mpweya woipa, ndi kuyeretsa mano (m'njira zolamulidwa).
Kuyeretsa Zipangizo Zachipatala: Njira zochepetsera kuchuluka kwa mankhwala zimapha tizilombo toyambitsa matenda pazida zosawononga (monga ma thermometer, zida zamano) popanda kuwononga malo.
3.2 Katundu wa m'nyumba ndi wa ogula (3-10% kuchuluka kwa zinthu)
Kuyeretsa zovala: Njira ina yosavuta m'malo mwa chlorine bleach; kuyeretsa nsalu (thonje, nsalu) ndikuchotsa madontho achilengedwe (khofi, tiyi, magazi) popanda kufota.
Kuyeretsa Malo: Kumachotsa mabakiteriya m'ma countertops a kukhitchini, m'zipinda zosambira, ndi pansi — kumathandiza polimbana ndi nkhungu, bowa, ndi mabakiteriya obwera chifukwa cha chakudya (monga E. coli, Salmonella).
Kusamalira Tsitsi: Kumagwiritsidwa ntchito mu njira zopangira bleach ya tsitsi (kuchuluka kwa 6-10%) kuti kuchepetse tsitsi powonjezera melanin.
3.3 Kukonza Mafakitale (30-70% Kuchuluka kwa Zinthu)
Kuyeretsa Mapepala ndi Zamkati: Ntchito yaikulu kwambiri m'mafakitale — 30-50% H₂O₂ imayeretsa zamkati zamatabwa kuti zikhale mapepala apamwamba (monga minofu, mapepala osindikizira) opanda zinthu zina zoopsa za chlorine.
Kupanga Nsalu: Kuyeretsa nsalu zachilengedwe (thonje, ubweya) ndi ulusi wopangidwa (polyester); kumawonjezera kuyera kwa nsalu komanso mtundu wake usanapangidwe utoto.
Kukonza Madzi Otayidwa: Kumawononga zinthu zoipitsa zachilengedwe (ma phenols, utoto, cyanides) ndikuchepetsa kuchuluka kwa COD/BOD; kumatulutsa mpweya kuti uwonjezere ntchito ya mabakiteriya oyenda m'mlengalenga.
Zamagetsi: H₂O₂ yoyera kwambiri (70%) imatsuka ma wafer a semiconductor — imachotsa ma oxides pamwamba ndi zodetsa kuti zitsimikizire kuti chip ikugwira ntchito bwino.
3.4 Ulimi (Kuchuluka kwa 10-30%)
Kuyeretsa Nthaka: Njira zosungunula zimapha tizilombo toyambitsa matenda tomwe timapezeka m'nthaka, nsabwe za m'masamba, ndi mbewu za udzu; kutulutsa mpweya wabwino kumathandiza kuti nthaka ilowe bwino kuti mizu ikule.
Chitetezo cha Mbewu: Kupopera kosakhutitsa kwambiri kumawonjezera kukana kwa zomera ku matenda a bowa (monga powdery mildew) ndipo kumagwira ntchito ngati cholimbikitsa kukula kwachilengedwe.
Chitetezo ndi Kutsatira Malamulo
4.1 Malangizo Oyendetsera
Zipangizo Zodzitetezera (PPE): Ngati muli ndi kuchuluka kwa ≥30%, valani magolovesi osagwira mankhwala (nitrile), magalasi oteteza, ndi chovala cha labu — pewani kukhudzana ndi khungu/maso (kungayambitse kupsa).
Kusunga: Sungani pamalo ozizira, amdima, komanso opanda mpweya wabwino; gwiritsani ntchito zotengera za HDPE zosawoneka bwino kapena magalasi (kuwala kumafulumizitsa kuwola). Lekani kugwiritsa ntchito mafuta, ma acid, ndi zitsulo (monga chitsulo, mkuwa) kuti mupewe kusokonezeka mwangozi.
Chithandizo Choyamba: Ngati chakhudzana ndi mankhwalawa, tsukani khungu/maso ndi madzi ozizira kwa mphindi 15+; kumwa mankhwalawo kumafuna thandizo lachipatala mwamsanga.
4.2 Kutsatira Malamulo
FDA (US): Yavomerezedwa kuti igwiritsidwe ntchito polumikizana ndi chakudya (monga kupha tizilombo toyambitsa matenda pa zipangizo zopangira chakudya) komanso kugwiritsa ntchito mankhwala omwe amagulitsidwa kunja kwa kampani (OTC) (3% ya njira zosamalira mabala).
REACH (EU): Yolembetsedwa pansi pa REACH; ikutsatira malamulo okhudza zinyalala zachitsulo cholemera zomwe zimagwiritsidwa ntchito m'mafakitale ndi kwa ogula.
OSHA (US): Malire okhudzidwa ndi ntchito (OEL) amaikidwa pa 1 ppm (8-hour TWA) kuti ateteze ogwira ntchito omwe akugwira ntchito zambiri.
Miyezo ya ISO: H₂O₂ yathu yamagetsi imagwirizana ndi ISO 8413 (mafotokozedwe a hydrogen peroxide) ndi ISO 9001 (kasamalidwe kabwino).
Mfundo Zazikulu za Technical Data Sheet (TDS)
| Chizindikiro | 3% Giredi Yachipatala | 30% Giredi Yamakampani | Njira Yoyesera |
| Kuyesa (Zomwe zili mu H₂O₂) | 2.5 - 3.5% | 29.0 - 31.0% | Kuchuluka kwa potaziyamu permanganate |
| Zinthu Zolemera za Heavy Metal (Pb) | ≤1 ppm | ≤5 ppm | Kuzindikira kwa Atomic Absorption Spectroscopy (AAS) |
| Asidi Waulere (monga H₂SO₄) | ≤0.02% | ≤0.04% | Kuchuluka kwa sodium hydroxide |
| Kuchulukana (20°C) | 1.01 g/cm³ | 1.11 g/cm³ | Hydrometer/densitometer |
| Kukhazikika (miyezi 6) | Kusunga ≥95% | Kusunga ≥90% | Kusunga pa 25°C (m'malo amdima) |
N’chifukwa Chiyani Tiyenera Kusankha Hydrogen Peroxide?
Kuchuluka Koyenera: Timapereka magiredi 3% (achipatala/apakhomo), 30% (a mafakitale), ndi 50-70% (oyera kwambiri) kuti agwirizane ndi zosowa zanu zenizeni.
Ma formula Oyera Kwambiri: Zitsulo zolemera zochepa komanso zodetsedwa zimatsimikizira kuti zimagwirizana ndi njira zobisika (monga zamagetsi, mankhwala).
Kupereka Kokhazikika: Malo athu opangira zinthu (kuchuluka kwa matani 100,000 pachaka) amatsimikizira kutumiza zinthu panthawi yake kwa oda zambiri ndi zazing'ono.
Yoteteza Kuchilengedwe: Imawola n’kukhala madzi ndi mpweya — imathandizira zolinga zopezera zinthu zofunika pa moyo (monga, kusintha mankhwala ochokera ku chlorine).
Thandizo la Ukadaulo: Gulu lathu la akatswiri a zamankhwala limapereka malangizo okhudza kusungunula, kusunga, ndi kukonza bwino ntchito.
Lumikizanani nafe
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