I-Sodium Thiocyanate: Ikhemikhali Yezimboni Enezinhloso Eziningi
Izinkambu Ezinkulu Zokufaka Isicelo
1. Ukukhiqizwa Kwefayibha Ye-Acrylic
I-sodium thiocyanate iyinto ebalulekile ekukhiqizweni kwemicu ye-acrylic. Ngesikhathi sokwenziwa i-polymerization ye-acrylonitrile, i-sodium thiocyanate isebenza njengesinyibilikisi, ihlinzeka ngendawo ezinzile yokusabela kwe-polymerization. Incibilikisa ama-monomers e-acrylonitrile ukuze yakhe uhlelo lwe-polymerization olufanayo, okuholela emicu ye-acrylic esezingeni eliphezulu. Imicu ye-acrylic yaziwa ngokumelana kwayo okuhle kwamakhemikhali, ukumelana nokuguguleka, kanye nokushisa, okwenza isetshenziswe kabanzi ezingutsheni, ezindwangu zasekhaya, nasezindwangu zezimboni.
2. I-Reagent Yokuhlaziywa Kwamakhemikhali
I-Sodium thiocyanate ibalulekile ekuhlaziyweni kwamakhemikhali. Ingakha ama-complex ngama-ion ensimbi njenge-iron ion, okuvumela ukutholakala nokuhlaziywa kwenani lala ma-ion ngokusebenzisa izindlela ze-colorimetric noma ze-titration. Isibonelo, ekuhlaziyweni kwama-ion ensimbi kumasampula amanzi, i-sodium thiocyanate isabela nama-ion ensimbi ukuze yakhe i-complex ebomvu njengegazi. Izindlela ze-colorimetric zinganquma ngokushesha nangokunembile ukuhlushwa kwama-ion ensimbi. Le ndlela ibucayi kakhulu futhi kulula ukuyisebenzisa, okwenza isetshenziswe kabanzi ekuhlaziyweni kwekhwalithi yamanzi, ukuqapha imvelo, kanye nokulawula ikhwalithi ekukhiqizweni kwezimboni.
3. Imboni Yokucwebezela Ngogesi
Embonini ye-electroplating, i-sodium thiocyanate ivame ukusetshenziswa njengesithasiselo ezixazululweni ze-electroplating. Ithuthukisa ukusebenza kwesendlalelo se-electroplating, ithuthukisa ukufana nokunamathela kwe-plating, futhi ikhulisa ukumelana nokugqwala kanye nekhwalithi yokubukeka kwemikhiqizo ye-electroplated. Isibonelo, ekufakeni i-copper electroplating, ukwengeza inani elifanele le-sodium thiocyanate kuvimbela i-hydrolysis yama-ion ethusi, okuholela kusendlalelo se-plating esibushelelezi nesifana kakhulu esinezimbobo ezincane kanye namaphutha e-pitting. Ngaphezu kwalokho, i-sodium thiocyanate ingasetshenziswa ekufakeni izinsimbi eziyigugu njengegolide nesiliva, okuthuthukisa ukukhanya kanye nokumelana nokuguguleka kwe-plating.
4. Ukwenziwa Kwezinto Eziphilayo
I-Sodium thiocyanate isetshenziswa kabanzi ekwakhiweni kwezinto eziphilayo. Ingasebenza njenge-cyanation reagent yokwenziwa kwamakhemikhali ahlukahlukene e-organic. Isibonelo, ekwakhiweni kwama-nitriles, i-sodium thiocyanate ingasabela nama-aldehydes noma ama-ketone ukukhiqiza ama-nitriles ahambisanayo. Ngaphezu kwalokho, i-sodium thiocyanate ingasetshenziswa ukuhlanganisa amakhemikhali e-thiourea, abalulekile emikhakheni yemithi, izibulala-zinambuzane, kanye nodayi. Ukusabela kanye nokukhetha kwe-sodium thiocyanate kwenza kube yi-reagent esetshenziswa kakhulu ekwakhiweni kwezinto eziphilayo.
5. Ezinye Izinhlelo Zokusebenza
I-sodium thiocyanate ingasetshenziswa nakweminye imikhakha. Isibonelo, embonini yokudaya nokunyathelisa, ingasetshenziswa njengomsizi wokudaya ukuze kuthuthukiswe ukumuncwa nokushesha kwamadayi. Embonini yokwenza amaphepha, ingasetshenziswa ezinqubweni zokumhlopheza nokususa i-ink ukuze kuthuthukiswe ikhwalithi kanye nokusebenza kwephepha.
I-sodium thiocyanate iyinto ebalulekile ekukhiqizweni kwemicu ye-acrylic. Ngesikhathi sokwenziwa i-polymerization ye-acrylonitrile, i-sodium thiocyanate isebenza njengesinyibilikisi, ihlinzeka ngendawo ezinzile yokusabela kwe-polymerization. Incibilikisa ama-monomers e-acrylonitrile ukuze yakhe uhlelo lwe-polymerization olufanayo, okuholela emicu ye-acrylic esezingeni eliphezulu. Imicu ye-acrylic yaziwa ngokumelana kwayo okuhle kwamakhemikhali, ukumelana nokuguguleka, kanye nokushisa, okwenza isetshenziswe kabanzi ezingutsheni, ezindwangu zasekhaya, nasezindwangu zezimboni.
2. I-Reagent Yokuhlaziywa Kwamakhemikhali
I-Sodium thiocyanate ibalulekile ekuhlaziyweni kwamakhemikhali. Ingakha ama-complex ngama-ion ensimbi njenge-iron ion, okuvumela ukutholakala nokuhlaziywa kwenani lala ma-ion ngokusebenzisa izindlela ze-colorimetric noma ze-titration. Isibonelo, ekuhlaziyweni kwama-ion ensimbi kumasampula amanzi, i-sodium thiocyanate isabela nama-ion ensimbi ukuze yakhe i-complex ebomvu njengegazi. Izindlela ze-colorimetric zinganquma ngokushesha nangokunembile ukuhlushwa kwama-ion ensimbi. Le ndlela ibucayi kakhulu futhi kulula ukuyisebenzisa, okwenza isetshenziswe kabanzi ekuhlaziyweni kwekhwalithi yamanzi, ukuqapha imvelo, kanye nokulawula ikhwalithi ekukhiqizweni kwezimboni.
3. Imboni Yokucwebezela Ngogesi
Embonini ye-electroplating, i-sodium thiocyanate ivame ukusetshenziswa njengesithasiselo ezixazululweni ze-electroplating. Ithuthukisa ukusebenza kwesendlalelo se-electroplating, ithuthukisa ukufana nokunamathela kwe-plating, futhi ikhulisa ukumelana nokugqwala kanye nekhwalithi yokubukeka kwemikhiqizo ye-electroplated. Isibonelo, ekufakeni i-copper electroplating, ukwengeza inani elifanele le-sodium thiocyanate kuvimbela i-hydrolysis yama-ion ethusi, okuholela kusendlalelo se-plating esibushelelezi nesifana kakhulu esinezimbobo ezincane kanye namaphutha e-pitting. Ngaphezu kwalokho, i-sodium thiocyanate ingasetshenziswa ekufakeni izinsimbi eziyigugu njengegolide nesiliva, okuthuthukisa ukukhanya kanye nokumelana nokuguguleka kwe-plating.
4. Ukwenziwa Kwezinto Eziphilayo
I-Sodium thiocyanate isetshenziswa kabanzi ekwakhiweni kwezinto eziphilayo. Ingasebenza njenge-cyanation reagent yokwenziwa kwamakhemikhali ahlukahlukene e-organic. Isibonelo, ekwakhiweni kwama-nitriles, i-sodium thiocyanate ingasabela nama-aldehydes noma ama-ketone ukukhiqiza ama-nitriles ahambisanayo. Ngaphezu kwalokho, i-sodium thiocyanate ingasetshenziswa ukuhlanganisa amakhemikhali e-thiourea, abalulekile emikhakheni yemithi, izibulala-zinambuzane, kanye nodayi. Ukusabela kanye nokukhetha kwe-sodium thiocyanate kwenza kube yi-reagent esetshenziswa kakhulu ekwakhiweni kwezinto eziphilayo.
5. Ezinye Izinhlelo Zokusebenza
I-sodium thiocyanate ingasetshenziswa nakweminye imikhakha. Isibonelo, embonini yokudaya nokunyathelisa, ingasetshenziswa njengomsizi wokudaya ukuze kuthuthukiswe ukumuncwa nokushesha kwamadayi. Embonini yokwenza amaphepha, ingasetshenziswa ezinqubweni zokumhlopheza nokususa i-ink ukuze kuthuthukiswe ikhwalithi kanye nokusebenza kwephepha.
Imininingwane
| Igama Lomkhiqizo | I-Sodium Thiocyanate | |||||||||
| I-MF | I-NaSCN | |||||||||
| Ukubukeka | Uketshezi olungenambala | |||||||||
| Ubumsulwa | 98% | |||||||||
| INOMBOLO YE-CAS | 540-72-7 | |||||||||
| Ikhodi ye-HS | 2842901100 | |||||||||
| I-EINECS CHA | 208-754-4 | |||||||||
| Isicelo | Isetshenziswa njengesinyibilikisi se-mordant kanye nedayi; isetshenziswa ekukhiqizweni kwefayibha eyenziwe ngumuntu. | |||||||||
Ishidi Lokulawula Ikhwalithi
| Igama Lomkhiqizo | I-Sodium Thiocyanate | ||||||
| IZINTO ZOKUHLAZIYA | Imigomo | UMPHUMELA WOKUHLAZIYA | |||||
| Ubumsulwa (NaSCN) | ≥98% | 99.20% | |||||
| Umswakama | ≤0.5% | 0.30% | |||||
| I-Chloride (Cl⁻) | ≤0.01% | 0.01% | |||||
| I-Sulfate (SO₄²⁻) | ≤0.02% | 0.01% | |||||
| Izinsimbi ezisindayo (njenge-Pb) | ≤10 ppm | ＜5 ppm | |||||
| Insimbi (Fe) | ≤5 ppm | 2 ppm | |||||
| Izinto ezingancibiliki emanzini | ≤0.05% | 0.02% | |||||
Ukupakishwa Nokugcina Izinto
I-sodium thiocyanate ipakishwa ezitsheni ezivaliwe ukuqinisekisa ukuthi ihlala yomile futhi ingangcolisiwe ngesikhathi sokuthuthwa nokugcinwa. Kufanele igcinwe endaweni yokugcina izinto epholile, eyomile, futhi enomoya omuhle, kude nezinto eziqinile ezibolayo njenge-acids nama-alkali. Ngesikhathi sokugcina, kufanele kunakwe ukuvimbela umswakama kanye nokugwema ukushisa okuphezulu ukuqinisekisa ukuzinza nokuphepha komkhiqizo.