Hydrogen peroxide
Thilri zohfelnak
Chemical min: Hydrogen Peroxide
CAS Nambar: 7722-84-1
Molecular Formula: H2O2
Molecule rit: 34.01 g/mol
A muisam: Rong a ngei lomi, a fiangmi, rim a ngei lomi ti (a tlawmmi) in tlawmpal a nemmi ti (a tammi) tiang
A tlangpi in hmuhmi: 3% (innchungkhar/si lei), 30% (riantuannak), 50-70% (a thiangmi thilri sernak)
Hydrogen peroxide (H2O2) cu a tthawngmi asinain a phunphun in hman khawhmi oxidizing agent a si i ti (H2O) le oxygen (O2) ah a rawk khawhnak thawngin theih a si — rungrul a um lo. Hi pawngkam he aa remmi sining, a tthawngmi oxidizing thilri he fonh in, innchungkhar, sii lei, riantuannak le loram riantuannak ah a biapi tukmi ah a ser. A nemmi hma zohkhenhnak in a ritmi thilri sernak tiang, a hleiin hmannak herhmi tlinternak caah aa tlakmi tlawmtam in hmuh khawh a si.
A biapi mi thilri le thatnak
| Ngeihmi thilri | A konglam | A hrampi ṭhatnak |
| Oxidizing tuah khawhnak | 1.77 V (a tlarimi electrode thazaang) | Organic/inorganic thurhnawmhnak kha ttha tein a hrawh; zawtnak rungrul (bacteria, virus, fungi) a thah hna |
| A cawh khawhnak | Ti he aa tluk tein cawh khawh a si | Duhmi tlawmtam tiang cawh a fawi; ti in sermi he aa tlak |
| Rawhnak ziaza | Innchung lumnak ah a fekmi (a ttha tein chiah tikah); lumnak/ceunak/catalysts (tahchunhnak ah, MnO₂) in a rawk | Thli luhchuahnak caah oxygen a chuahter (tahchunhnak ah, ti thurhnawm thianhnak) cu a thurhnawmmi thilri tel loin |
| pH (30% cawhmi) | ~4.0 (tlawmpal a almi) | Aa tlakmi thilri hna i rawhnak kha a zorter; chiah lio ah fek tein um khawhnak a ṭhanchoter |
| Thianhlimnak (Industrial Grade) | ≥99.5% (ti telh loin; thir rit a tlawm: ≤5 ppm Pb) | A tlarimi riantuan ning a hngalhter; thil kalning a hrawk khomi thurhnawmhnak kha a hrial |
A biapi mi thilri le thatnak hna
Inn le lo
A bik in fianternak
A hrampi tthatnak
Oxidizing Potential
1.77 V (a tlarimi electrode thazaang)
Organic/inorganic thurhnawmhnak kha ttha tein a hrawh; zawtnak rungrul (bacteria, virus, fungi) a thah
A cawh khawhnak
Ti he aa tluk tein cawh khawh a si
Duhmi tlawmtam tiang cawh a fawi; ti in sermi he aa tlak
Rawhnak ziaza
Innchung lumnak ah a fekmi (a ttha tein chiah tikah); lumnak/ceunak/catalysts (tahchunhnak ah, MnO2) he a rawk
Thli luhchuahnak caah oxygen a chuahter (tahchunhnak ah, ti thurhnawm thianhnak) cu a thurhnawmmi thilri hna um loin
pH (30% cawhmi)
~4.0 (tlawmpal a almi)�
Aa tlakmi thilri hna i rawhnak kha a zorter; chiah lio ah fek tein um khawhnak a ṭhanchoter…
Thianhlimnak (Industrial Grade)
≥99.5% (ti telh loin; thir rit a tlawmmi: ≤5 ppm Pb)
A tlarimi riantuan ning a hngalhter; thil kalning a hrawk khomi thurhnawmhnak kha a hrial
A tlangpi in hmanmi hna
H2O2 i aa rem khawhnak nih hin riantuannak phunphun ah a herhmi a siter, lungthin peknak nih hmannak kong a khiah:
3.1 Sii lei le Ngandamnak (3-6% Tlawmpal)
Hliamhma rungrul thahnak: 3% cawhnuk cu hliamhma hmete, hliam, le kanghnak hna thianhnak caah tam deuh in hman a si — zawtnak rungrul kha oxidizing a tuah i zawtnak rungrul khamnak a ser.
Kaa Thianhlimnak: Kaa ṭawlnak sii ah cawhmi a si i ha hnah a zorter, thawchuahnak a chuahtertu rungrul a thah, cun ha a rangter (control tuahmi ah).
Sii lei thilri thianhnak: A tlawmmi sii nih a luhhnawh lomi thilri (tahchunhnak ah, lumternak tahnak, ha thlopnak thilri) kha a cunglei a hrawh loin a thah hna.
3.2 Innchungkhar le hmanmi thilri (3-10% tlawmtam)
Thil sawhnak thianhnak: Chlorine thianhnak caah a nemmi lam dang; puan (cotton, linen) kha a rangter i rong a rawk loin thilnung hnawm (coffee, ti, thisen) kha a hloh.
A cunglei thianhnak: rawldawr cabuai, ti kholhnak thilri le inncung kha a thah hna — hling, hling, le rawl in a chuakmi rungrul (tahchunhnak ah, E. coli, Salmonella) dohnak ah a ttha.
Sam Zohkhenhnak: Sam rangternak sii (6-10% tlawmtam) ah melanin oxidizing in sam a ceutertu ah hman a si.
3.3 Sehzung riantuannak (30-70% tlawmtam)
Cauk & Pulp Bleaching: A ngan bikmi riantuannak — 30-50% H2O2 nih thinghnah kha a ttha ngaimi cauk (tahchunhnak ah, tissue, cauk chuahnak cauk) caah a ttha lomi chlorine thilri tel loin a rangter.
Thilpuan sernak: Thilnung (puan, tuuhmul) le sermi (polyester) hri pawl kha a rangter hna; rong thlen hlanah puan a rangnak le a rong a fekmi a tthanchoter.
Ti thur thianhnak: Thilnung thurhnawmhnak (phenols, dyes, cyanides) a hrawh i COD/BOD dat a zorter; aerobic bacteria cawlcanghnak thanchoternak caah oxygen a chuahter.
Electronics: A thiangmi (70%) H2O2 nih semiconductor wafers a thianh — a cunglei oxides le thil thurhnawm pawl kha a hloh hna i chip riantuan ning a dikthliar in a langhter.
3.4 Cinthlaknak (10-30% tlawmtam)
Vawlei thianhnak: A cawhmi ti nih vawlei in a chuakmi zawtnak rungrul, nematodes le hling thlaici a thah hna; oxygen chuahnak nih hram ṭhanchonak caah vawlei thli luhchuahnak a ṭhatter.
Thlaici kilvennak: A tlawmmi thletnak nih thingram nih fungal zawtnak (tahchunhnak ah, powdery mildew) a doh khawhnak a ṭhanchoter i a ṭhanchonak thazaang petu bantukin rian a ṭuan.
Himnak le Zulhphung
4.1 Hmannak Lamhruainak
Pumpak I Huhphenhnak Thilri (PPE): ≥30% a tam ahcun, chemical a doh khomi kutdonghrolh (nitrile), himnak mithmaihuh, le laboratory angki hruk — vun/mit i tawngh hrial (meikanghnak a chuahter kho).
Chiahnak: A kikmi, a muimi, thli a lut khomi hmun ah chiah; a fiang lomi HDPE asiloah thlalang bawm hmang (ceunak nih rawhnak a rangter). Ruahlopi in thil a cangmi hrial khawhnak ding caah meihol, acid le thir (tahchunhnak ah, thir, dar) hna he tthen.
Bawmhnak Hmasa: Na tawngh sual ahcun, vun/mit kha ti lum in minutes 15+ chung tawl; ei ahcun a rannak in sii lei zohkhenhnak a herh.
4.2 Phunglam zulhphung
FDA (US): Rawl he pehtlaihnak hmannak (tahchunhnak ah, rawl sernak thilri rungrul thahnak) le sii dawr ah cawk khawhmi (OTC) sii lei hmannak (3% hma zohkhenhnak sii) caah cohlan a si.
REACH (EU): REACH tangah min cazin a khumh; riantuannak le mipi hmannak caah thir thurhnawmhnak cung i khamnak he aa tlakmi.
OSHA (US): Riantuannak ah 1 ppm (suimilam 8 TWA) ah chiahmi cu riantuantu hna nih a tammi thilri hna kha an huhphenh hna.
ISO Phunglam: Kan riantuannak-tluk H2O2 nih ISO 8413 (hydrogen peroxide caah a herhmi) le ISO 9001 (tthatnak zohkhenhnak) a tlinh.
Technical Data Sheet (TDS) Highlights
| Parameter | 3% Sii lei tthanchonak | 30% Industrial Grade | Hneksaknak Lam |
| Hlathlainak (H₂O₂ A chunglei) | 2.5 - 3.5% | 29.0 - 31.0% | Potassium permanganate titration |
| Thir rit aa telmi (Pb) | ≤1 ppm | ≤5 ppm | Atomic Absorption Spectroscopy (AAS) |
| Free Acid (H₂SO₄ bantuk in) | ≤0.02% | ≤0.04% | Sodium hydroxide titration |
| A ritmi (20°C) | 1.01 g/cm3 | 1.11 g/cm3 | Hydrometer/densitometer |
| A fekmi (thla 6) | ≥95% tlaihchannak | ≥90% tlaih khawhnak | 25°C (muihnak hmun) ah chiah |
Zeicah Kan Hydrogen Peroxide Kan Thim?
Aa tlakmi tlawmpal: Na herhmi he aa tlakmi 3% (si lei/innchungkhar), 30% (riantuannak), le 50-70% (a thiangmi) tlukruannak kan in pek.
Ultra-Pure Formulations: A tlawmmi thir le a thurhnawmmi nih a biapimi thil kalning (tahchunhnak ah, electronics, sii) he aa tlak khawhnak a fehter.
A fekmi pekchanhnak: Kan thilchuahnak hmun (kum khat ah chuah khawhnak: 100,000 tons) nih a tam le a hmete order caah a caan hmaan tein kuat khawhnak a kan pek.
Pawngkam he aa remmi: Ti le oxygen ah a rawk — a hmunmi tinhmi a bawmh (tahchunhnak ah, chlorine-based chemicals thlennak).
Technical Bawmhnak: Kan chemist phu nih tlawmternak, chiahnak le hmannak tthaternak kongah lamhruainak an kan pek.
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