I-Sodium Thiocyanate: Ikhemikhali yamabubulo eneenhloso ezinengi
Iindawo ezikulu zokusebenza
1. Ukukhiqizwa kwefayibha ye-acrylic
I-sodium thiocyanate yinto eqakathekileko ekukhiqizeni imicu ye-acrylic. Ngesikhathi sokwenza i-acrylonitrile, i-sodium thiocyanate isebenza njenge-solvent, inikela ngendawo ezinzileko yokusabela kokwenza i-polymerization. Incibilikisa ama-monomers we-acrylonitrile ukwakha ihlelo elifanako lokwenza i-polymerization, okurholela ekutheni kube nemicu ye-acrylic esezingeni eliphezulu. Iintambo ze-acrylic zaziwa ngokujamelana namakhemikhali, ukujamelana nokuguga, nokuvikela ukutjhisa, okwenza bona zisetjenziswe khulu ezembathweni, eendwangu zasekhaya, kanye nezindwangu zamabubulo.
2. Isisetjenziswa sokuhlaziywa kwamakhemikhali
I-sodium thiocyanate iqakathekile ekuhlaziyweni kwamakhemikhali. Ingakha iinhlanganisela nama-ayoni wensimbi afana nama-ayoni wensimbi, okuvumela ukutholwa nokuhlaziywa kwama-ayoni la ngokusebenzisa iindlela ze-colorimetric nofana ze-titration. Ukwenza isibonelo, ekuhlaziyweni kwama-ayoni wensimbi emasampula wamanzi, i-sodium thiocyanate ihlangana nama-ayoni wensimbi ukwakha i-complex ebomvu njengegazi. Iindlela zokulinganisa imibala zingathola msinyana begodu ngokunembileko ukugxila kwama-ayoni wensimbi. Indlela le izwela khulu begodu kulula ukuyisebenzisa, okwenza bona isetjenziswe khulu ekuhlaziyweni kwekhwalithi yamanzi, ukutjheja ibhoduluko, kanye nokulawulwa kwekhwalithi ekukhiqizeni amabubulo.
3. Ibubulo lokufaka igezi
Ebubulweni lokufaka igezi, i-sodium thiocyanate ivamise ukusetjenziswa njengesengezo eensombululweni zegezi. Ithuthukisa ukusebenza kwesendlalelo segezi, ikhuphula ukufana nokunamathelana kwegezi, begodu ikhuphule ukujamelana nokugqwala kanye nekhwalithi yokubukeka kwemikhiqizo yegezi. Ukwenza isibonelo, e-electroplating yekhopha, ukungezelela inani elifaneleko le-sodium thiocyanate kuvimbela ukutjhuguluka kwama-ayoni wekhopha, okurholela ekutheni kube nesendlalelo esibushelelezi nesifanako esineembobo ezimbalwa kanye nama-pitting defects. Phezu kwalokho, i-sodium thiocyanate ingasetjenziswa ekufakeni iinsimbi eziligugu ezifana negolide nesiliva, okwenza ngcono ukucwebezela nokujamelana nokuguga kwe-plating.
4. Ukuhlanganiswa kwezinto eziphilako
I-sodium thiocyanate isetjenziswa khulu ekubunjweni kwezinto eziphilako. Ingasebenza njenge-cyanation reagent yokuhlanganiswa kwamakhompawundi ahlukahlukeneko we-organic. Ukwenza isibonelo, ekubunjweni kwama-nitriles, i-sodium thiocyanate ingahlangana nama-aldehydes nofana ama-ketones ukukhiqiza ama-nitriles ahambelana nawo. Ngaphezu kwalokho, i-sodium thiocyanate ingasetjenziselwa ukwenza amakhompawundi we-thiourea, aqakathekileko emkhakheni wemithi, imithi yokubulala iinlwanyana, namadayi. Ukusabela nokukhetha kwe-sodium thiocyanate kwenza bona ibe yi-reagent esetjenziswa khulu ekubunjweni kwezinto eziphilako.
5. Ezinye iinsetjenziswa
I-sodium thiocyanate ingasetjenziswa nakweminye imikhakha. Ukwenza isibonelo, embonini yokudaya nokugadangisa, ingasetjenziswa njengesizo lokudaya ukwenza ngcono ukuthathwa nokuqina kwamadayi. Ebubulweni lokwenza amaphepha, ingasetjenziswa eenkambisweni zokuhlanza nokususa i-inki ukwenza ngcono ikhwalithi nokusebenza kwephepha.
I-sodium thiocyanate yinto eqakathekileko ekukhiqizeni imicu ye-acrylic. Ngesikhathi sokwenza i-acrylonitrile, i-sodium thiocyanate isebenza njenge-solvent, inikela ngendawo ezinzileko yokusabela kokwenza i-polymerization. Incibilikisa ama-monomers we-acrylonitrile ukwakha ihlelo elifanako lokwenza i-polymerization, okurholela ekutheni kube nemicu ye-acrylic esezingeni eliphezulu. Iintambo ze-acrylic zaziwa ngokujamelana namakhemikhali, ukujamelana nokuguga, nokuvikela ukutjhisa, okwenza bona zisetjenziswe khulu ezembathweni, eendwangu zasekhaya, kanye nezindwangu zamabubulo.
2. Isisetjenziswa sokuhlaziywa kwamakhemikhali
I-sodium thiocyanate iqakathekile ekuhlaziyweni kwamakhemikhali. Ingakha iinhlanganisela nama-ayoni wensimbi afana nama-ayoni wensimbi, okuvumela ukutholwa nokuhlaziywa kwama-ayoni la ngokusebenzisa iindlela ze-colorimetric nofana ze-titration. Ukwenza isibonelo, ekuhlaziyweni kwama-ayoni wensimbi emasampula wamanzi, i-sodium thiocyanate ihlangana nama-ayoni wensimbi ukwakha i-complex ebomvu njengegazi. Iindlela zokulinganisa imibala zingathola msinyana begodu ngokunembileko ukugxila kwama-ayoni wensimbi. Indlela le izwela khulu begodu kulula ukuyisebenzisa, okwenza bona isetjenziswe khulu ekuhlaziyweni kwekhwalithi yamanzi, ukutjheja ibhoduluko, kanye nokulawulwa kwekhwalithi ekukhiqizeni amabubulo.
3. Ibubulo lokufaka igezi
Ebubulweni lokufaka igezi, i-sodium thiocyanate ivamise ukusetjenziswa njengesengezo eensombululweni zegezi. Ithuthukisa ukusebenza kwesendlalelo segezi, ikhuphula ukufana nokunamathelana kwegezi, begodu ikhuphule ukujamelana nokugqwala kanye nekhwalithi yokubukeka kwemikhiqizo yegezi. Ukwenza isibonelo, e-electroplating yekhopha, ukungezelela inani elifaneleko le-sodium thiocyanate kuvimbela ukutjhuguluka kwama-ayoni wekhopha, okurholela ekutheni kube nesendlalelo esibushelelezi nesifanako esineembobo ezimbalwa kanye nama-pitting defects. Phezu kwalokho, i-sodium thiocyanate ingasetjenziswa ekufakeni iinsimbi eziligugu ezifana negolide nesiliva, okwenza ngcono ukucwebezela nokujamelana nokuguga kwe-plating.
4. Ukuhlanganiswa kwezinto eziphilako
I-sodium thiocyanate isetjenziswa khulu ekubunjweni kwezinto eziphilako. Ingasebenza njenge-cyanation reagent yokuhlanganiswa kwamakhompawundi ahlukahlukeneko we-organic. Ukwenza isibonelo, ekubunjweni kwama-nitriles, i-sodium thiocyanate ingahlangana nama-aldehydes nofana ama-ketones ukukhiqiza ama-nitriles ahambelana nawo. Ngaphezu kwalokho, i-sodium thiocyanate ingasetjenziselwa ukwenza amakhompawundi we-thiourea, aqakathekileko emkhakheni wemithi, imithi yokubulala iinlwanyana, namadayi. Ukusabela nokukhetha kwe-sodium thiocyanate kwenza bona ibe yi-reagent esetjenziswa khulu ekubunjweni kwezinto eziphilako.
5. Ezinye iinsetjenziswa
I-sodium thiocyanate ingasetjenziswa nakweminye imikhakha. Ukwenza isibonelo, embonini yokudaya nokugadangisa, ingasetjenziswa njengesizo lokudaya ukwenza ngcono ukuthathwa nokuqina kwamadayi. Ebubulweni lokwenza amaphepha, ingasetjenziswa eenkambisweni zokuhlanza nokususa i-inki ukwenza ngcono ikhwalithi nokusebenza kwephepha.
Iinqophiso
| Ibizo lomkhiqizo | I-Sodium Thiocyanate | |||||||||
| MF | I-NaSCN | |||||||||
| Ukuvela | Uketshezi olungenambala | |||||||||
| Ubumsulwa | 98% | |||||||||
| CAS NO | 540-72-7 | |||||||||
| Ikhodi ye-HS | 2842901100 | |||||||||
| I-EINECS NO | 208-754-4 | |||||||||
| Isibawo | Isetjenziswa njenge-mordanti ne-dayi; esetjenziswa ekukhiqizeni ifayibha eyenziwe babantu. | |||||||||
Iphepha lokulawula ikhwalithi
| Ibizo lomkhiqizo | I-Sodium Thiocyanate | ||||||
| IZINTO ZOKUHLAZIYWA | Ikambiso | UMPHUMELA WOKUHLAZIYWA | |||||
| Ubumsulwa (NaSCN) | ≥98% | 99.20% | |||||
| Umswakamo | ≤0.5% | 0.30% | |||||
| I-Cloride (Cl⁻) | ≤0.01% | 0.01% | |||||
| I-Sulfate (SO₄²⁻) | ≤0.02% | 0.01% | |||||
| Iinsimbi ezisindako (njenge-Pb) | ≤10 ppm | ＜5 ppm | |||||
| Insimbi (Fe) | ≤5 ppm | 2 ppm | |||||
| Izinto ezingancibiliki emanzini | ≤0.05% | 0.02% | |||||
Ukupakisha nokugcina
I-sodium thiocyanate ifakwa ngaphakathi kwemijekana evaliweko ukuqinisekisa bona ihlale yomile begodu ingasilaphazwa ngesikhathi sokuthuthwa nokugcinwa. Kufanele igcinwe endaweni epholileko, eyomileko, nengenamoya omuhle, kude nezinto eziqinileko ezifana nama-esidi nama-alkali. Ngesikhathi sokugcina, kufanele kutjhejwe ukukhandela umswakama nokubalekela amazinga womtjhiso aphezulu ukuqinisekisa ukuzinza nokuphepha komkhiqizo.