Thiourea
Kulanga-langa zintu
Zina lyamakemikalu: Thiourea…
Namba ya CAS: 62-56-6
Fomula ya Molekyula: CH4N2S
Kulema kwamolekyula: 76.12 g/mol�
Mbokuboneka: Musinza uutuba naakuti prills; kakwiina kununkilila naakuti kununkizya asyoonto mbuli ammonia
Kunywika: Kunywika kapati mumaanzi (137 g/L a 20°C), kunywika mu ethanol, kunywika mbichani mu ether a acetone
Thiourea nchintu chiyandikana loko cha sulfure chilaa bupange buli mbuli urea (kunjila mubusena bwa atomu ya oxygen a sulfure). Chilatondezya nguzu zyamakemikalu zilibedelede, zipa kuti ube chintu chibelesegwa munzila zyiingi mpawo chiyungizyidwe mumafakitali, mubulimi, amuma laboratory. Kakwiina kuzungaana kwamubili alimwi akukonzya kweendelezyegwa, ilazuzikizya zyeelelo zyabubotu bwakubelesya munzila ziindene-indene.
Zintu zipati abubotu
| Lubono | Kusalazya | Bubotu bupati |
| Busena bwakunyenguluka | 176 - 178°C (ilabola kwiinda 180°C) | Kukkalilila kwakupya mukati kakupya kwakubelesya, kutantamuka kubola kakutanainda chiindi |
| pH Value (1% yamaanzi) | 6.0 - 7.5 | Kunyina asidi kusikila ku asidi mbichaani, kweendelana azintu zyiingi kakunyina kuleta kubola naa kutamvwana kwa pH |
| Kusalala (miniti) | 99.0% (chiimo chamakwebo); 99.5% (chiimo cha misamu) | Kusalala kupati kulacesya tombe likonzya kunyonganya mulimo wachintu naakuti kuleta ntenda |
| Zyamukati zyazibulo zilemu (max) | 10 ppm (Pb, Cd, Hg yoonse) | Zilazuzikizya zyeelelo zyakukwabilila busena, zilakonzya kubelesegwa mukulya naakuti misamu |
| Hygroscopicity | Munsi (ulanywa busi busyoonto aawo mpokutontola) | Nchuubauba kubamba akujata kakunyina kuvwumbilila, kusinizya kuti zintu zili kabotu muchindi chilamfu |
Kubelesya kwachiindi choonse
Bube bwamakemikalu bwa Thiourea bulibedelede (nkokuti, ikukonzya kupanga zintu ziyumu azintu zyabutale, kubeleka mbuli chintu chicheya, akutola lubazu mukupanga zintu ziindene-indene) bupa kuti kibe chintu chiyandikana mumakkampani miingi:
3.1 Makkampani akupanga zintu zyabutale
Kusalazya Nsimbi: Kubelesyegwa mbuli chintu chiyumu mukugwisya ngolide ansiliva (nkokuti, mukugwisya ngolide kakunyina cyanide) kunyonganya nsimbi ziyandisi kuzwa mumabwe. Ibeleka mbuli chintu chipa kuti kube mumuni akukkazika moyo mu nickel, copper, antoomwe a zinc electroplating, ikusumpula kweendelana akumweka.
Kulesya Kubola: Kuyungizyigwa kuzintu zitontozya mumafakitali, misamu iikola, alimwi amaanzi aabelesyegwa kupanga zintu zyabutale kutegwa zibe filimu yakukwabilila atala aazibulo, ikukwabilila kubola akubola kwaasidi.
3.2 Kupanga misamu
Minsamu azyabulimi: Nchintu chipati mukupanga ma sulfonamides (misamu iijaya tuzunda), mahomoni aa thyroid, amisamu iijaya nsaku (nkokuti, misamu iijaya nsaku iizwa ku thiourea yakulesya nsaku muzilyo).
Kupanga madayi aamabala: Kubelesyegwa kupanga thiazole antoomwe a imidazole, eezyo zili zibeela zipati zya azo dyes amabala aamubili (nkokuti, zyakusama, mapulasitiki, ama ingi).
Industry ya Raba: Ibeleka mbuli chintu chifwambaanya akucinca, ikusumpula kuyuma kwa raba, kutapya, akukazya kuchembaala mumataya, zijazyo, azintu zya raba.
3.3 Kubelesya kwa Laboratory & Kwaalubazu
Chemistry yakulanga-langa: Ibelesyegwa mbuli chintu chakujana akupima nsimbi zilemu (nkokuti, 铋、selenium) kwiinda mukupanga zintu zikatazya kumvwisisisya.
Kufwotola: Kubeleka mbuli chintu chibambulula akucheesya mukufwotola kwamubala muubauba, kugwasya kubamba mifanikisyo akugwisya ma silver halides aatakwe mumuni.
Lukwabililo akutobela milawu
4.1 Malailile aakukwabilila
Kujata: Kotantamuka kuyoya bulongo naa kuguma chikumba/meso. Amusame magilazi aatakwe bulongo, magilovu aa nitrile, alimwi acisani cakuyoya (N95 naa kwiinda waawo) mumasena aatakwe muya mubotu. Samba maanza kabotu-kabotu ansipa amaanzi wamana kujatana.
Kubamba: Kobamba mubusena butontola, butuma, bujisi muya mubotu kule ama asidi mayumu (nkokuti, asidi ya hydrochloric), zintu zipa kuti kube muya (nkokuti, haayidirojeni perokisayidi), alimwi amulilo uuyaka. Belesya HDPE iijalikide naakuti ng'oma zya fiber kuchitila kutabilila kunyonyooka kwameenda akusofwaazyigwa.
Kusowa: Kosowa tombe naakuti thiourea iitabelesyegwi kweendelana amilawu yabusena (nkokuti, mbuli tombe litakwe ntenda; kotantamuka tombe mumuse naa mumaanzi).
4.2 Kutobelezya milawu
Zilazuminana a REACH Regulation (EU) (zilembedwe munsi lya REACH SVHC list, taakwe milawu yakubelesya mumafakitali).
Zilazuzikizya zyeelelo zya FDA (kubelesyegwa azyakulya, mbuli, mbuli chintu chilesya kubola muzibelesyo zyakupanga chakulya).
Kweendelana azyeelelo zya USP/NF (zyamisamu) zyakubelesya mukupanga misamu.
Zyakazumizyigwa a ISO 9001 (kweendelezya bubotu) antoomwe a ISO 14001 (kweendelezya busena) mumilimo yakupanga zintu.
Pepa lyamakani aabusongo (TDS) Twaambo Tupati
| Paramita | Chiimo chamakwebo | Chiimo cha misamu | Nzila Yakusunka |
| Kusalala | ≥99.0% | ≥99.5% | Kuchita obotu kwa Liquid Chromatography (HPLC) |
| Buteteete buli mukati | ≤0.5% | ≤0.3% | Karl Fischer Titration |
| Makani aa Mulota | ≤0.1% | ≤0.05% | Kuvwuntauzya kwa Gravimetric |
| Butale (Fe) | ≤5 ppm | ≤2 ppm | Atomic Absorption Spectroscopy (AAS) |
| Zintu zitanyonyooki mumaanzi | ≤0.01% | ≤0.005% | Kusefa akuyumya |
Nkaambo nzi Ncotweelede Kusala Thiourea Yesu?
Zibeela Zyakabambwa: Tulapa zintu zyakupanga, zyamisamu, azyakubelesya mu laboratory kuti tuzuzikizye ziyandikana zyabasikuula (nkokuti, zintu zilema zisyoonto zyakubelesya mumisamu).
Kupa zintu zitazungaani: Maanda eesu aakupanga zintu (aajisi nguzu zyakupanga matani aali 5,000 amwaka) alasinizya kuti zintu zyatuminwa muciindi ceelede, nokuba kuti zyatumwa zintu zinji (20-500 kg drums).
Lugwasyo lwabusongo: Nkamu yesu yabasyaazibwene mumakani aamisamu ilapa lugwasyo lwakusaanguna lwakusambala (nkokuti, kweezyanisya nzila zyakubelesya) alimwi alugwasyo lwamana kusambalwa (nkokuti, kulanga-langa mapenzi aakubelesya).
Kupanga zintu kakunyina kunyonganya busena: Nzila yesu yakupanga zintu ilacesya maanzi aasofweede alimwi akuzwa kwamuwo, kweendelana amakanze aakukwabilila buumi bwanyika yoonse.
Kotujata
Kuti ujane muulo, zikozyanyo, naakuti lugwalo loonse lwa TDS/COA, jata kabunga kesu kakusambala:
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