I-Sodium Thiocyanate: Ikhemikhali yemizi-mveliso eneenjongo ezininzi
IiNdawo eziPhambili zeSicelo
1. Imveliso yeFayibha yeAcrylic
I-sodium thiocyanate yinto ebalulekileyo ekuvelisweni kweefayibha ze-acrylic. Ngexesha le-polymerization ye-acrylonitrile, i-sodium thiocyanate isebenza njengesinyibilikisi, inika indawo ezinzileyo yempendulo ye-polymerization. Inyibilikisa ii-monomers ze-acrylonitrile ukuze zenze inkqubo ye-polymerization efanayo, nto leyo ebangela iifayibha ze-acrylic ezikumgangatho ophezulu. Iifayibha ze-acrylic zaziwa ngokuxhathisa kwazo iikhemikhali, ukumelana nokuguguleka, kunye nokuthintela ubushushu, nto leyo eyenza ukuba zisetyenziswe kakhulu kwiimpahla, kwiimpahla zasekhaya, nakwiimpahla zoshishino.
2. I-Reagent yoHlalutyo lweeKhemikhali
I-sodium thiocyanate ibalulekile kuhlalutyo lweekhemikhali. Ingenza ii-complexes ezinee-ion zesinyithi ezifana nee-ion zesinyithi, okuvumela ukufunyanwa kunye nohlalutyo lobungakanani bezi ioni ngokusebenzisa iindlela ze-colorimetric okanye ze-titration. Umzekelo, kuhlalutyo lwee-ion zesinyithi kwiisampuli zamanzi, i-sodium thiocyanate isabela kunye nee-ion zesinyithi ukwenza i-complex ebomvu-yegazi. Iindlela ze-colorimetric zinokumisela ngokukhawuleza nangokuchanekileyo uxinzelelo lwee-ion zesinyithi. Le ndlela inobuthathaka kakhulu kwaye kulula ukuyisebenzisa, okwenza isetyenziswe kakhulu kuhlalutyo lomgangatho wamanzi, ukujonga okusingqongileyo, kunye nokulawula umgangatho kwimveliso yemizi-mveliso.
3. Ishishini lokuplata ngombane
Kwishishini le-electroplating, i-sodium thiocyanate isetyenziswa kakhulu njengesongezelelo kwizisombululo ze-electroplating. Iphucula ukusebenza komaleko we-electroplating, iphucula ukufana kunye nokunamathela kwe-plating, kwaye inyusa ukumelana nokugqwala kunye nomgangatho wokubonakala kweemveliso ze-electroplated. Umzekelo, kwi-electroplating ye-copper, ukongeza isixa esifanelekileyo se-sodium thiocyanate kuthintela i-hydrolysis yee-ion ze-copper, nto leyo ebangela umaleko we-plating ogudileyo nofanayo onemingxuma embalwa kunye neziphene ze-pitting. Ukongeza, i-sodium thiocyanate ingasetyenziswa kwi-electroplating yeesinyithi ezixabisekileyo ezifana negolide nesilivere, iphucula ukukhazimla kunye nokumelana nokuguguleka kwe-plating.
4. Ukwenziwa kwezinto eziphilayo
I-sodium thiocyanate isetyenziswa kakhulu kwi-organic synthesis. Ingasebenza njenge-cyanation reagent yokwenza ii-organic compounds ezahlukeneyo. Umzekelo, kwi-synthesis ye-nitriles, i-sodium thiocyanate inokusabela kunye ne-aldehydes okanye ii-ketones ukuvelisa ii-nitriles ezifanelekileyo. Ngaphezu koko, i-sodium thiocyanate ingasetyenziselwa ukwenza ii-thiourea compounds, ezibalulekileyo kwicandelo lamayeza, izibulali-zinambuzane, kunye needayi. Ukusebenza kunye nokukhetha kwe-sodium thiocyanate kwenza ukuba ibe yi-reagent esetyenziswa kakhulu kwi-organic synthesis.
5. Ezinye izicelo
I-sodium thiocyanate ingasetyenziswa nakwezinye iinkalo. Umzekelo, kwishishini lokudaya nokushicilela, ingasetyenziswa njengomncedisi wokudaya ukuphucula ukufunxwa nokukhawuleza kweedayi. Kwishishini lokwenza iphepha, ingasetyenziswa kwiinkqubo zokufiphalisa nokukhupha idayi ukuphucula umgangatho kunye nokusebenza kwephepha.
I-sodium thiocyanate yinto ebalulekileyo ekuvelisweni kweefayibha ze-acrylic. Ngexesha le-polymerization ye-acrylonitrile, i-sodium thiocyanate isebenza njengesinyibilikisi, inika indawo ezinzileyo yempendulo ye-polymerization. Inyibilikisa ii-monomers ze-acrylonitrile ukuze zenze inkqubo ye-polymerization efanayo, nto leyo ebangela iifayibha ze-acrylic ezikumgangatho ophezulu. Iifayibha ze-acrylic zaziwa ngokuxhathisa kwazo iikhemikhali, ukumelana nokuguguleka, kunye nokuthintela ubushushu, nto leyo eyenza ukuba zisetyenziswe kakhulu kwiimpahla, kwiimpahla zasekhaya, nakwiimpahla zoshishino.
2. I-Reagent yoHlalutyo lweeKhemikhali
I-sodium thiocyanate ibalulekile kuhlalutyo lweekhemikhali. Ingenza ii-complexes ezinee-ion zesinyithi ezifana nee-ion zesinyithi, okuvumela ukufunyanwa kunye nohlalutyo lobungakanani bezi ioni ngokusebenzisa iindlela ze-colorimetric okanye ze-titration. Umzekelo, kuhlalutyo lwee-ion zesinyithi kwiisampuli zamanzi, i-sodium thiocyanate isabela kunye nee-ion zesinyithi ukwenza i-complex ebomvu-yegazi. Iindlela ze-colorimetric zinokumisela ngokukhawuleza nangokuchanekileyo uxinzelelo lwee-ion zesinyithi. Le ndlela inobuthathaka kakhulu kwaye kulula ukuyisebenzisa, okwenza isetyenziswe kakhulu kuhlalutyo lomgangatho wamanzi, ukujonga okusingqongileyo, kunye nokulawula umgangatho kwimveliso yemizi-mveliso.
3. Ishishini lokuplata ngombane
Kwishishini le-electroplating, i-sodium thiocyanate isetyenziswa kakhulu njengesongezelelo kwizisombululo ze-electroplating. Iphucula ukusebenza komaleko we-electroplating, iphucula ukufana kunye nokunamathela kwe-plating, kwaye inyusa ukumelana nokugqwala kunye nomgangatho wokubonakala kweemveliso ze-electroplated. Umzekelo, kwi-electroplating ye-copper, ukongeza isixa esifanelekileyo se-sodium thiocyanate kuthintela i-hydrolysis yee-ion ze-copper, nto leyo ebangela umaleko we-plating ogudileyo nofanayo onemingxuma embalwa kunye neziphene ze-pitting. Ukongeza, i-sodium thiocyanate ingasetyenziswa kwi-electroplating yeesinyithi ezixabisekileyo ezifana negolide nesilivere, iphucula ukukhazimla kunye nokumelana nokuguguleka kwe-plating.
4. Ukwenziwa kwezinto eziphilayo
I-sodium thiocyanate isetyenziswa kakhulu kwi-organic synthesis. Ingasebenza njenge-cyanation reagent yokwenza ii-organic compounds ezahlukeneyo. Umzekelo, kwi-synthesis ye-nitriles, i-sodium thiocyanate inokusabela kunye ne-aldehydes okanye ii-ketones ukuvelisa ii-nitriles ezifanelekileyo. Ngaphezu koko, i-sodium thiocyanate ingasetyenziselwa ukwenza ii-thiourea compounds, ezibalulekileyo kwicandelo lamayeza, izibulali-zinambuzane, kunye needayi. Ukusebenza kunye nokukhetha kwe-sodium thiocyanate kwenza ukuba ibe yi-reagent esetyenziswa kakhulu kwi-organic synthesis.
5. Ezinye izicelo
I-sodium thiocyanate ingasetyenziswa nakwezinye iinkalo. Umzekelo, kwishishini lokudaya nokushicilela, ingasetyenziswa njengomncedisi wokudaya ukuphucula ukufunxwa nokukhawuleza kweedayi. Kwishishini lokwenza iphepha, ingasetyenziswa kwiinkqubo zokufiphalisa nokukhupha idayi ukuphucula umgangatho kunye nokusebenza kwephepha.
Iinkcukacha
| Igama lemveliso | I-Sodium Thiocyanate | |||||||||
| I-MF | I-NaSCN | |||||||||
| Inkangeleko | Ulwelo olungenambala | |||||||||
| Ubunyulu | 98% | |||||||||
| INOMBOLO YE-CAS | 540-72-7 | |||||||||
| Ikhowudi ye-HS | 2842901100 | |||||||||
| Hayi i-EINECS | 208-754-4 | |||||||||
| Isicelo | Isetyenziswa njengesinyibilikisi se-mordant kunye nedayi; isetyenziswa kwimveliso yeefayibha ezenziwe ngumntu. | |||||||||
Iphepha Lolawulo Lomgangatho
| Igama lemveliso | I-Sodium Thiocyanate | ||||||
| IZINTO ZOHLALUTYO | Iikhrayitheriya | ISIPHUMO SOKUHLALUTYA | |||||
| Ubunyulu (NaSCN) | ≥98% | 99.20% | |||||
| Ukufuma | ≤0.5% | 0.30% | |||||
| I-Chloride (Cl⁻) | ≤0.01% | 0.01% | |||||
| I-Sulfate (SO₄²⁻) | ≤0.02% | 0.01% | |||||
| Iintsimbi ezinzima (njenge-Pb) | ≤10 ppm | ＜5 ppm | |||||
| Intsimbi (Fe) | ≤5 ppm | 2 ppm | |||||
| Izinto ezinganyibiliki emanzini | ≤0.05% | 0.02% | |||||
Ukupakishwa kunye nokugcinwa
I-sodium thiocyanate ipakishwa kwizikhongozeli ezivaliweyo ukuqinisekisa ukuba ihlala yomile kwaye ingangcoliswanga ngexesha lokuthuthwa nokugcinwa kwayo. Ifanele igcinwe kwindawo yokugcina izinto epholileyo, eyomileyo, nengena umoya, kude nezinto ezinamandla ezirhabaxa ezifana nee-asidi kunye nee-alkali. Ngexesha lokugcina, kufuneka kunikwe ingqalelo ekuthinteleni ukufuma kunye nokuphepha ubushushu obuphezulu ukuqinisekisa uzinzo kunye nokhuseleko lwemveliso.