Sodium Thiocyanate: Kemikari yeMaindasitiri ine Zvinangwa Zvakawanda
Minda mikuru yekushandisa
1. Kugadzirwa kweAcrylic Fiber
Sodium thiocyanate chinhu chakakosha mukugadzirwa kwemafiber eacrylic. Munguva yepolymerization yeacrylonitrile, sodium thiocyanate inoshanda se solvent, ichipa nharaunda yakagadzikana ye polymerization reaction. Inonyungudutsa acrylonitrile monomers kuti igadzire system yakafanana yepolymerization, zvichikonzera mafiber eacrylic emhando yepamusoro. Acrylic fibers inozivikanwa nekudzivirira makemikari, kuramba kupfeka, uye kupisa, zvichiita kuti ishandiswe zvakanyanya muzvipfeko, machira epamba, uye machira emaindasitiri.
2. Reagent yekuongorora makemikari
Sodium thiocyanate inokosha mukuongorora makemikari. Inogona kugadzira macomplexes ane maion esimbi akadai se iron ions, zvichibvumira kuonekwa uye kuongororwa kwehuwandu hwemaion aya kuburikidza nenzira dze colorimetric kana titration. Semuenzaniso, mukuongorora maion esimbi musampuli dzemvura, sodium thiocyanate inobatana nemaion esimbi kuti igadzire complex yakatsvuka seropa. Nzira dze colorimetric dzinogona kuona nekukurumidza uye nemazvo huwandu hwemaion esimbi. Nzira iyi inonyanya kubatwa uye iri nyore kushandisa, zvichiita kuti ishandiswe zvakanyanya mukuongorora hunhu hwemvura, kutarisa zvakatipoteredza, uye kudzora hunhu mukugadzirwa kwemaindasitiri.
3. Indasitiri yeMagetsi
Muindasitiri yekugadzira ma electroplating, sodium thiocyanate inowanzo shandiswa sechinowedzerwa mu electroplating solutions. Inovandudza mashandiro e electroplating layer, inowedzera kufanana uye kunamira kwe plating, uye inowedzera kuramba kwengura uye kunaka kwechitarisiko chezvigadzirwa zve electroplated. Semuenzaniso, mu copper electroplating, kuwedzera huwandu hwakakodzera hwe sodium thiocyanate kunodzivirira hydrolysis yema ions e copper, zvichikonzera kuti plating layer ive yakapfava uye yakafanana ine ma pinholes mashoma uye maburi asina kunaka. Pamusoro pezvo, sodium thiocyanate inogona kushandiswa mu electroplating yesimbi dzinokosha dzakadai segoridhe nesirivha, zvichivandudza kupenya uye kuramba kupfeka kwe plating.
4. Kugadzirwa kweOrganic
Sodium thiocyanate inoshandiswa zvakanyanya mukugadzirwa kweorganic. Inogona kushanda secyanation reagent yekugadzira organic compounds dzakasiyana-siyana. Semuenzaniso, mukugadzirwa kwe nitriles, sodium thiocyanate inogona kuita ne aldehydes kana ketones kugadzira nitriles dzinoenderana. Uyezve, sodium thiocyanate inogona kushandiswa kugadzira thiourea compounds, iyo inokosha muminda yemishonga, mishonga yezvipembenene, uye dhayi. Kugadziriswa uye kusarudzwa kwe sodium thiocyanate kunoita kuti ive reagent inowanzoshandiswa mukugadzirwa kweorganic.
5. Mamwe Mashandisirwo
Sodium thiocyanate inogona kushandiswawo mune dzimwe nzvimbo. Semuenzaniso, muindasitiri yekudhaya nekudhinda, inogona kushandiswa semubatsiri wekudhaya kuti ivandudze kutorwa nekukurumidzira kwemadhayi. Muindasitiri yekugadzira mapepa, inogona kushandiswa mukuita kuti madhayi atsvedze uye abvise madhayi kuti ivandudze kunaka uye mashandiro emapepa.
Sodium thiocyanate chinhu chakakosha mukugadzirwa kwemafiber eacrylic. Munguva yepolymerization yeacrylonitrile, sodium thiocyanate inoshanda se solvent, ichipa nharaunda yakagadzikana ye polymerization reaction. Inonyungudutsa acrylonitrile monomers kuti igadzire system yakafanana yepolymerization, zvichikonzera mafiber eacrylic emhando yepamusoro. Acrylic fibers inozivikanwa nekudzivirira makemikari, kuramba kupfeka, uye kupisa, zvichiita kuti ishandiswe zvakanyanya muzvipfeko, machira epamba, uye machira emaindasitiri.
2. Reagent yekuongorora makemikari
Sodium thiocyanate inokosha mukuongorora makemikari. Inogona kugadzira macomplexes ane maion esimbi akadai se iron ions, zvichibvumira kuonekwa uye kuongororwa kwehuwandu hwemaion aya kuburikidza nenzira dze colorimetric kana titration. Semuenzaniso, mukuongorora maion esimbi musampuli dzemvura, sodium thiocyanate inobatana nemaion esimbi kuti igadzire complex yakatsvuka seropa. Nzira dze colorimetric dzinogona kuona nekukurumidza uye nemazvo huwandu hwemaion esimbi. Nzira iyi inonyanya kubatwa uye iri nyore kushandisa, zvichiita kuti ishandiswe zvakanyanya mukuongorora hunhu hwemvura, kutarisa zvakatipoteredza, uye kudzora hunhu mukugadzirwa kwemaindasitiri.
3. Indasitiri yeMagetsi
Muindasitiri yekugadzira ma electroplating, sodium thiocyanate inowanzo shandiswa sechinowedzerwa mu electroplating solutions. Inovandudza mashandiro e electroplating layer, inowedzera kufanana uye kunamira kwe plating, uye inowedzera kuramba kwengura uye kunaka kwechitarisiko chezvigadzirwa zve electroplated. Semuenzaniso, mu copper electroplating, kuwedzera huwandu hwakakodzera hwe sodium thiocyanate kunodzivirira hydrolysis yema ions e copper, zvichikonzera kuti plating layer ive yakapfava uye yakafanana ine ma pinholes mashoma uye maburi asina kunaka. Pamusoro pezvo, sodium thiocyanate inogona kushandiswa mu electroplating yesimbi dzinokosha dzakadai segoridhe nesirivha, zvichivandudza kupenya uye kuramba kupfeka kwe plating.
4. Kugadzirwa kweOrganic
Sodium thiocyanate inoshandiswa zvakanyanya mukugadzirwa kweorganic. Inogona kushanda secyanation reagent yekugadzira organic compounds dzakasiyana-siyana. Semuenzaniso, mukugadzirwa kwe nitriles, sodium thiocyanate inogona kuita ne aldehydes kana ketones kugadzira nitriles dzinoenderana. Uyezve, sodium thiocyanate inogona kushandiswa kugadzira thiourea compounds, iyo inokosha muminda yemishonga, mishonga yezvipembenene, uye dhayi. Kugadziriswa uye kusarudzwa kwe sodium thiocyanate kunoita kuti ive reagent inowanzoshandiswa mukugadzirwa kweorganic.
5. Mamwe Mashandisirwo
Sodium thiocyanate inogona kushandiswawo mune dzimwe nzvimbo. Semuenzaniso, muindasitiri yekudhaya nekudhinda, inogona kushandiswa semubatsiri wekudhaya kuti ivandudze kutorwa nekukurumidzira kwemadhayi. Muindasitiri yekugadzira mapepa, inogona kushandiswa mukuita kuti madhayi atsvedze uye abvise madhayi kuti ivandudze kunaka uye mashandiro emapepa.
Magadzirirwo
| Zita rechigadzirwa | Sodium Thiocyanate | |||||||||
| MF | NaSCN | |||||||||
| Chitarisiko | Mvura isina ruvara | |||||||||
| Kuchena | 98% | |||||||||
| Nhamba yeCAS | 540-72-7 | |||||||||
| Kodhi yeHS | 2842901100 | |||||||||
| EINECS Kwete | 208-754-4 | |||||||||
| Kushandiswa | Inoshandiswa semushonga we mordant uye dhayi; inoshandiswa mukugadzira fiber yakagadzirwa nevanhu. | |||||||||
Pepa Rekudzora Hunhu
| Zita rechigadzirwa | Sodium Thiocyanate | ||||||
| ZVINHU ZVEKUONGORORA | zvinodiwa | Mhedzisiro yekuongorora | |||||
| Kuchena (NaSCN) | ≥98% | 99.20% | |||||
| Hunyoro | ≤0.5% | 0.30% | |||||
| Chloride (Cl⁻) | ≤0.01% | 0.01% | |||||
| Sulfate (SO₄²⁻) | ≤0.02% | 0.01% | |||||
| Simbi dzinorema (sePb) | ≤10 ppm | ＜5 ppm | |||||
| Simbi (Fe) | ≤5 ppm | 2 ppm | |||||
| Zvinhu zvisinganyungudike mumvura | ≤0.05% | 0.02% | |||||
Kurongedza uye Kuchengeta
Sodium thiocyanate inoiswa mumidziyo yakavharwa kuitira kuti irambe yakaoma uye isina kusvibiswa panguva yekutakura nekuchengetera. Inofanira kuchengetwa munzvimbo inotonhorera, yakaoma, uye ine mhepo inofema zvakanaka, kure nezvinhu zvine simba zvinoparadza zvakaita seacids nealkalis. Panguva yekuchengetera, kutarisirwa kunofanirwa kupihwa kudzivirira hunyoro uye kudzivirira kupisa kwakanyanya kuti chigadzirwa chigare chakachengeteka uye chigare chakasimba.