Thiourea
Pfupiso yeChigadzirwa
Zita reKemikari: Thiourea
Nhamba yeCAS: 62-56-6
Fomura yeMolecular: CH₄N₂S
Kurema kweMolekyulu: 76.12 g/mol
Chitarisiko: Upfu hwema hwema hwema hwema kana kuti maprills machena; hahunhuhwi kana kuti hune hwema hwakaita seammonia
Kunyungudika: Inonyungudika zvakanyanya mumvura (137 g/L pa20°C), inonyungudika muethanol, inonyungudika zvishoma mu ether ne acetone
Thiourea chinhu chakakosha chesarufa yeorganic chine chimiro chakafanana neurea (chichitsiva atomu yeokisijeni nesarufa). Inoratidza reactivity yemakemikari yakasiyana, zvichiita kuti ive chinhu chinoshandiswa zvakasiyana-siyana uye chinowedzera muminda yemaindasitiri, yekurima, neyemarabhoritari. Iine hunhu hwakagadzikana uye reactivity inodzoreka, inosangana nezvinodiwa zvemhando yepamusoro zvemhando dzakasiyana dzekushandiswa.
Hunhu Hunokosha & Zvakanakira
| Pfuma | Tsanangudzo | Kubatsira Kwakakosha |
| Nzvimbo Yokunyunguduka | 176 - 178°C (inoora pamusoro pe180°C) | Kugadzikana kwekupisa mukati mekupisa kwakajairika kwekugadzirisa, kudzivirira kuora kusati kwasvika nguva |
| pH Kukosha (1% mhinduro yemvura) | 6.0 - 7.5 | Haina kupindirana nepakati kusvika kune acidity shoma, inoenderana nemidziyo yakawanda isina kukonzera ngura kana kusawirirana kwepH |
| Kuchena (miniti) | 99.0% (giredhi remaindasitiri); 99.5% (giredhi remishonga) | Kuchena kwakanyanya kunoderedza kusvibiswa kunogona kukanganisa mashandiro echigadzirwa kana kukonzera mhedzisiro yakaipa |
| Zviri MuHeavy Metal (zvakanyanya) | 10 ppm (Pb, Cd, Hg huwandu) | Inosangana nezvinodiwa zvakatipoteredza uye kuchengetedzeka, yakakodzera kushandiswa pakudya kana pamishonga |
| Hygroscopicity | Yakaderera (inotora hunyoro hushoma patembiricha yemumba) | Zviri nyore kuchengeta uye kubata pasina kuungana, zvichiita kuti hunhu huenderane nekufamba kwenguva |
Maitiro Akajairika
Hunhu hwemakemikari hwakasiyana hweThiourea (semuenzaniso, kugona kugadzira zvinhu zvakaita sesimbi, kushanda semushonga unodzikisa, uye kutora chikamu mukugadzirwa kweheterocyclic) zvinoita kuti ive yakakosha mumaindasitiri akawanda:
3.1 Maindasitiri neMagetsi
Kuchenesa & Kuputira Simbi: Inoshandiswa sechinhu chinosanganisa goridhe nesirivha (semuenzaniso, mukuburitsa goridhe risina cyanide) kunyungudutsa simbi dzinokosha kubva mumatombo. Inoshanda sechinhu chinopenya uye chinosimbisa nickel, mhangura, uye zinc electroplating, ichivandudza kufanana uye kupenya kwejira.
Kudzivirira Kuora: Kuwedzerwa muzvinhu zvinotonhodza zvemaindasitiri, mishonga yekubika, uye mvura yesimbi kuti igadzire firimu rekudzivirira pamusoro pesimbi, kudzivirira ngura uye ngura yeasidhi.
3.2 Kugadzirwa kweMakemikoro
Mishonga & Makemikoro Ekurima: Chinhu chakakosha pakugadzirwa kwesulfonamides (mishonga inorwisa mabhakitiriya), mahormone ethyroid, uye mishonga inouraya sora (semuenzaniso, mishonga inouraya sora inobva kuthiourea yekudzora sora muzvirimwa).
Kugadzira Dhayi & Pigment: Inoshandiswa kugadzira thiazole uye imidazole derivatives, izvo zviri zvikamu zvakakosha zveazo dyes uye organic pigments (semuenzaniso, yemachira, mapurasitiki, uye inki).
Indasitiri yeRabha: Inoshanda semuchina wekukurumidzisa uye wekugadzirisa vulcanization, ichivandudza kusimba kwerabha, kuramba kupisa, uye kuramba kukwegura mumatayi, zvisimbiso, uye zvigadzirwa zverabha.
3.3 Mashandisirwo eLabhoritari & Zvine Hunhu
Chemistry yekuongorora: Inoshandiswa senzira yekuona nekuyera simbi dzinorema (semuenzaniso, selenium) kuburikidza nekuumbwa kwakaoma.
Kutora Mifananidzo: Inoshanda semushonga wekugadzirisa uye kuderedza ganda mukutora mifananidzo yemavara matema nemachena, ichibatsira kudzikamisa mifananidzo uye kubvisa sirivha isina kujeka.
Kuchengetedzeka & Kutevedzera Mutemo
4.1 Nhungamiro dzekuchengetedza
Kubata: Dzivisa kufema guruva kana kusangana neganda/maziso zvakananga. Pfeka magirazi asingapindi guruva, magirovhosi e nitrile, uye mask yekufema (N95 kana kupfuura) munzvimbo dzisina mhepo inofema zvakanaka. Shamba maoko zvakanaka nesipo nemvura mushure mekusangana neganda.
Kuchengetera: Chengeta munzvimbo inotonhorera, yakaoma, ine mhepo inofefetera zvakanaka kure nemaacid akasimba (semuenzaniso, hydrochloric acid), oxidizing agents (semuenzaniso, hydrogen peroxide), uye moto wakavhurika. Shandisa HDPE yakavharwa kana madhiramu efiber kudzivirira kusvibiswa kwehunyoro.
Kuraswa: Rasa marara kana zvinhu zvisina kushandiswa zvichienderana nemitemo yenharaunda (semuenzaniso, semarara asina njodzi mumaindasitiri; dzivisa kuburitswa muvhu kana mumvura).
4.2 Kutevedzera Mutemo
Inotevedzera REACH Regulation (EU) (yakanyoreswa pasi peREACH SVHC list, hapana zvirambidzo zvekushandiswa mumaindasitiri).
Inosangana neFDA Standards (yekushandisa chikafu-chinogunzva, semuenzaniso, semushonga wekudzivirira ngura mumichina yekugadzira chikafu).
Inoenderana neUSP/NF Standards (chikamu chemishonga) kuti ishandiswe mukugadzirwa kwemishonga.
Yakatenderwa ne ISO 9001 (kutarisirwa kwemhando yepamusoro) uye ISO 14001 (kutarisirwa kwezvakatipoteredza) yemaitiro ekugadzira.
Zvinonyanya Kukosha paSheti yeData reUnyanzvi (TDS)
| Paramita | Giredhi reMaindasitiri | Giredhi reMishonga | Nzira Yekuyedza |
| Kuchena | ≥99.0% | ≥99.5% | Chromatography yeLiquid Inoshanda Zvakanyanya (HPLC) |
| Hunyoro | ≤0.5% | ≤0.3% | Karl Fischer Titration |
| Zviri Mudota | ≤0.1% | ≤0.05% | Kuongorora Gravimetric |
| Simbi (Fe) | ≤5 ppm | ≤2 ppm | Kuongororwa kweAtomic Absorption Spectroscopy (AAS) |
| Zvinhu Zvisinganyunguduki Mumvura | ≤0.01% | ≤0.005% | Kusefa & Kuomesa |
Sei Uchifanira Kusarudza Thiourea?
Magiredhi Akagadzirwa Nemunhu: Tinopa magiredhi emaindasitiri, emishonga, uye erabhoritari kuti tigutse zvinodiwa nevatengi (semuenzaniso, zvinhu zvine simbi shoma yekushandiswa mumishonga).
Kuwanikwa Kwakagadzikana: Nzvimbo dzedu dzekugadzira (dzine kugona kwematani zviuru zvishanu pagore) dzinoita kuti zvinhu zvisvike panguva yakatarwa, kunyangwe kana madhiramu akawanda (20-500 kg).
Rutsigiro rwehunyanzvi: Chikwata chedu chenyanzvi dzemakemikari chinopa mazano ekugadzira zvinhu zvisati zvatengeswa (semuenzaniso, kufananidza mashandisirwo ezvigadzirwa) uye rutsigiro rwekugadzirisa matambudziko mushure mekutengesa (semuenzaniso, kugadzirisa matambudziko ekugadzirisa).
Kugadzira Zvisina Kusvibisa Zvisikwa: Maitiro edu ekugadzira anoderedza mvura yakasviba uye utsi, zvichienderana nezvinangwa zvekuchengetedza nharaunda pasi rose.
Taura nesu
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