Global - Premier Sodium Sulfite: Tikhemikhali ta Nkoka eka Switirhisiwa swo hambana hambana swa tiindasitiri
Tinsimu Letikulu ta Xikombelo
Eka bindzu ra maphepha, sodium sulfite yi hoxa xandla swinene. Yitirhisiwa eka maendlelo ya pulping kuva yi hahlula lignin, polymer leyi rharhanganeke leyi bohaka ti fibre ta cellulose eka mapulanga. Hiku endla reaction na lignin, sodium sulfite yi pfuneta ku yi n’oka, yi hambanyisa ti fibre ta cellulose naku endla leswaku ti kumeka kuva ti endliwa maphepha. Leswi swiendla leswaku kuva na pulp ya xiyimo xale henhla - leyingana matimba lawa ya antswisiweke xikan’we naku vonakala. Vaendli va maphepha va titshege hi sodium sulfite ya hina ku humelerisa switirhisiwa swo hambana swa maphepha, ku suka eka phephahungu ku ya eka maphepha ya xiyimo xa le henhla yo kandziyisa, hi matirhelo na ku languteka loku antswisiweke.
Indasitiri ya swiambalo yi tlhela yi vuyeriwa swinene eka Global - Premier Sodium Sulfite ya hina. Yitirhisiwa tani hi reducing agent eka maendlelo ya textile dyeing xikan’we naku hetisa. Eka ku daya, sodium sulfite yi pfuneta ku hundzula tidayi to karhi kuva swivumbeko swa tona leswi n’okaka, leswi pfumelelaka ku nghena eka ti fibre ta malapi hindlela leyinene. Leswi swi endla leswaku kuva na mihlovo leyi hanyaka swinene na leyi tshamaka nkarhi woleha. Ku engetela kwalano, yinga tirhisiwa ku susa dayi leyinga hundza xikan’we na swilo leswi oxidizing eka lapi, leswi antswisaka khwalithi hinkwayo ya xitirhisiwa lexi hetiweke. Swigayo swa swiambalo swi tirhisa sodium sulfite ya hina ku tumbuluxa swiambalo swa xiyimo xa le henhla leswi fikelelaka swilaveko swa timakete ta fexeni na ku khavisa makaya.
Eka bindzu ra swakudya, sodium sulfite yitirha tani hi xihlayisi na antioxidant. Swi pfuneta ku sivela oxidation ya swiphemu swa swakudya, swofana na mafurha na mafurha, leswinga tisaka rancidity naku onhaka. Switlhela swi sivela kukula ka ti microorganisms, leswi engetelaka vutomi bya shelf - bya switirhisiwa swa swakudya. Hi xikombiso, eka mihandzu ni matsavu lama omisiweke, sodium sulfite yi pfuneta ku hlayisa muvala wa swona, nantswo ni swakudya swa swona. Vaendli va swakudya va titshege hi sodium sulfite ya hina ku tiyisisa vuhlayiseki na khwalithi ya switirhisiwa swa vona, loko va ri karhi va tlhela va fikelela milawu yo tika ya vuhlayiseki bya swakudya.
Eka bindzu ro basisa mati, sodium sulfite yitirhisiwa tani hi xitirhisiwa xo hlantswa oxygen. Okisijini leyi n’okisiweke ematini yi nga vanga ku bola eka tiphayiphi, tiboyilara ni switirhisiwa swin’wana swa le tifemeni. Sodium sulfite yi endla reaction na oxygen kuva yi endla sodium sulfate, yi susa oxygen xikan’we naku sivela ku bola. Tipulani to basisa mati na switirhisiwa swa tiindasitiri ti tirhisa sodium sulfite ya hina ku sirhelela switirhisiwa swa tona, ku hunguta ku durha ka ku hlayisa, na ku tiyisisa matirhelo ya kahle ya tisisiteme ta tona.
Swihlawulekisi swa kona
| Vito ra Xiendliwa | Sodium Sulfite ya xirhendzevutani | |||||||||
| Fomula ya Tikhemikhali | Na2SO3 | |||||||||
| Ndzilo wa Molekhuli | 126,04 g/mol | |||||||||
| Xivumbeko | Xigwitsirisi xo basa xa kristala | |||||||||
| Ndhawu yo N’oka | 500°C | |||||||||
| Rendzo | 1,56 g/cm3 | |||||||||
| CAS NO | 7757 - 83 - 7. Xihlamusela-marito | |||||||||
| Khodi ya HS | 28321000 | |||||||||
| EINECS NO | 231 - 821 - 4. Xihlamusela-marito | |||||||||
| Xikombelo | Yi tirhisiwa eka tiindasitiri to endla maphepha, swiambalo, swakudya ni tikhemikhali | |||||||||
Xiphephana xa Vulawuri bya Khwalithi
| Vito ra Xiendliwa | Sodium Sulfite ya xirhendzevutani | ||||||
| NCHUMU | XITLHOKOVETSELO XA XIYIMO XA LE HENHLA | MBUYELO WA XIKONGOMELO | |||||
| NA2SO3 VUXOKOXOKO: | 97.0 %MIN | 97.4% . | |||||
| XITLHANYI XA SODIUM: . | 2.0%MAX | 1.10% . | |||||
| KHLORIDI YA SODIYAMU (NACL): . | 0.5%MAX | 0.05% . | |||||
| NSIMBHI (FE): . | 0.005%MAX YA XITLHOKOVETSELO | 0.0018% . | |||||
| ARSENIC (AS ) . | ----------- | ----------- | |||||
| TINSIMBHI TO TIKA (AS PB): . | ----------- | ----------- | |||||
| LESWI NGA NYIKELI MATI: . | 0.03%MAX | 0.01% . | |||||
Hi ku komisa
Sodium Sulfite ya hina ya Global - Premier yi pakiwile eka swibye swa khwalithi yale henhla, leswinga tiyiselaka ndzhongho ku sivela ku onhaka hi nkarhi wa vuhlayiselo na ku fambisiwa. Ntlawa wun’wana na wun’wana wu endla swikambelo swo tika swa vulawuri bya khwalithi, ku katsa na nxopaxopo wa ku basa, ku tiyisisiwa ka xivumbeko xa tikhemikhali, na ku kamberiwa ka matirhelo. Kunga khathariseki leswaku u xigayo xa maphepha eAmerika N’walungu, fektri ya swiambalo eAsia, muhumelerisi wa swakudya eYuropa, kumbe ndhawu yo basisa mati eAfrika, sodium sulfite ya hina i xitshunxo lexi tshembekaka na ku cinca-cinca lexi u xi lavaka. Yi nyika matirhelo lama nga ringanisiwiki na nchumu, ku tiyisisa leswaku yi fikelela no tlula swilaveko swa wena swo karhi swa indasitiri.