Ukubuka: 0 Umbhali: Isikhathi Sokushicilela Isihleli Sesayithi: 2026-09-04 Umsuka: Isayithi
Imininingwane ye-sodium thiosulfate ichaza imikhawulo yekhwalithi umkhiqizo okufanele uhlangabezane nayo, kuyilapho Isitifiketi Sokuhlaziya, noma i-COA, sibonisa imiphumela yangempela yeqoqo lokukhiqiza.
Ngaphambi koku-oda, abathengi kufanele baqinisekise ifomu lomkhiqizo nenombolo ye-CAS, bese bebuyekeza ubumsulwa, i-pH, into engancibiliki emanzini, i-sodium sulfide nensimbi. Ukucaciswa okuvunyelwene ngakho kanye neqoqo le-COA kufanele kusetshenziswe ndawonye lapho kuhlolwa umkhiqizo.
I-Aozun Chemical ibala i-industrial-grade sodium thiosulfate pentahydrate ngobumsulwa obuncane obungu-98.0%.
Imingcele ebaluleke kakhulu incike ekusetshenzisweni okuhlosiwe, kodwa abathengi bezimboni ngokuvamile badinga ukuhlola okulandelayo:
Ipharamitha |
Kungani Kubalulekile? |
Yini Abathengi Okufanele Baqinisekise |
|---|---|---|
Ifomu lomkhiqizo |
Imikhiqizo ye-Pentahydrate ne-anhydrous inesisindo samangqamuzana ahlukene nokuqukethwe okusebenzayo |
Ifomu le-Hydrate, ifomula kanye nenombolo ye-CAS |
Ukuhlanzeka noma ukuhlolwa |
Ikhombisa ubuncane bokuqukethwe kwe-sodium thiosulfate |
Ubuncane obudingekayo kanye nendlela yokuhlola |
pH |
Isiza ukuhlola ukuvumelana kwesixazululo |
Hlola ukugxila, izinga lokushisa nobubanzi obamukelekayo |
Indaba engancibiliki emanzini |
Kungase kuthinte ukucaca kwesixazululo kanye nemishini yokudosa |
Inani eliphakeme elivunyelwe |
I-sodium sulfide |
Ukungcola kwenqubo elawulwayo |
Umkhawulo omkhulu odingwa uhlelo lokusebenza |
Insimbi |
Kungabaluleka kuzinqubo ezizwela umbala noma ukungcola |
Inani eliphakeme elivunyelwe |
Ukubukeka nosayizi wezinhlayiyana |
Kungathinta ukuphatha nokuqedwa |
Ifomu le-Crystal nanoma yimuphi usayizi wezinhlayiyana odingekayo |
Ukuhlola ubumsulwa kukodwa akwanele. Imikhiqizo emibili ene-assay efanayo isengase ibe nemikhawulo ehlukene yokungcola, ubukhulu bezinhlayiyana noma izimo zokuhlola.
Lawa madokhumenti anezinjongo ezihlukene futhi akufanele athathwe njenganokushintshwa.
Idokhumenti |
Lokho Ekubonisayo |
Kungani Abathengi Beyidinga |
|---|---|---|
Ishidi lokucaciswa |
Okuncane okwamukelekayo, ubukhulu noma ububanzi |
Ichaza izidingo zekhwalithi okuvunyelwene ngazo |
I-COA |
Imiphumela yokuhlola yangempela yenqwaba yokukhiqiza eyodwa |
Iqinisekisa ukuthi inqwaba ethunyelwe iyahlangabezana yini nokucaciswa |
I-TDS |
Izakhiwo ezijwayelekile, ukusetshenziswa kanye nolwazi lobuchwepheshe |
Isiza ukuhlola ukufaneleka nokuphathwa komkhiqizo |
I-SDS |
Ukuphepha, ukugcinwa, ukuphatha kanye nolwazi oluphuthumayo |
Isekela ukuphepha kwendawo yokusebenza nokubuyekezwa kokulawula |
Ishidi lokucaciswa lingase lihlale lingashintshiwe kumaqoqo amaningi. I-COA kufanele ikhombe iqoqo elithile futhi ibike imiphumela yayo yokuhlola yangempela.
Ukuthenga ngobuningi, abathengi kufanele bacele ukucaciswa kwakamuva ngaphambi koku-oda futhi baqinisekise ukuthi iqoqo le-COA lizohlinzekwa ngokuthunyelwa.
Okokuqala hlola igama lomkhiqizo, ifomula yamangqamuzana nenombolo ye-CAS.
I-sodium thiosulfate pentahydrate ikhonjwa yilokhu:
Ifomula: Na₂S₂O₃·5H₂O
Inombolo ye-CAS: 10102-17-7
Isisindo se-molecule: 248.18
I-anhydrous sodium thiosulfate inenombolo ye-CAS ehlukile nesisindo samangqamuzana. Amafomu amabili akufanele aqhathaniswe noma ashintshwe ngesisekelo sesisindo esilinganayo ngaphandle kokulungisa inqubo.
I-COA ngokuvamile ihlanganisa izingxenye ezintathu zolwazi:
Into yokuhlola
Umkhawulo wokucaciswa
Umphumela wenqwaba wangempela
'Okuncane' kusho ukuthi umphumela akufanele ube ngaphansi kwenani elishiwo. 'Ubukhulu' busho ukuthi akufanele budlule lelo nani.
Isibonelo, uma imfuneko yobumsulwa ingu-98.0% ubuncane, umphumela wama-98.5% uhlangabezana nemfuneko. Uma into engancibiliki emanzini ikhawulelwe ku-0.03% ubukhulu, umphumela wenqwaba kufanele ube ngu-0.03% noma ngaphansi.
Eminye imiphumela ingahluka kuye ngezimo zokuhlola.
Nge-pH, abathengi kufanele baqinisekise ukugxila kwesixazululo, izinga lokushisa lokuhlola kanye nendlela lapho le mininingwane ibalulekile esicelweni. Imiphumela ekhiqizwe ngaphansi kwezimo ezihlukene ingase ingaqhathanisi ngokuqondile.
Umgomo ofanayo uyasebenza nakusayizi wezinhlayiyana nokubukeka kwesixazululo. Indlela yokwamukela kufanele kuvunyelwane ngayo ngaphambi kokuqinisekiswa kwe-oda.
I-COA ewusizo kufanele ifake ulwazi olufana nalokhu:
Igama lomkhiqizo
Inombolo yenqwaba noma inqwaba
Idethi yokukhiqiza noma yokuhlola
Imiphumela yokuhlolwa
Ukugunyazwa kwekhwalithi
Inombolo yeqoqo ku-COA kufanele ifane nomkhiqizo noma ulwazi lokupakisha oluhlinzekwe nokuthunyelwa.
I-Aozun Chemical njengamanje ibhala imininingwane elandelayo yayo I-industrial-grade sodium thiosulfate pentahydrate :
Into yokuhlola |
Listed Standard |
|---|---|
Ukubukeka |
Izinhlayiya zekristalu esobala ezingenambala |
Ubumsulwa |
98.0% ubuncane |
pH |
6.5–9.5 |
Indaba engancibiliki emanzini |
0.03% umkhawulo |
I-sodium sulfide, i-Na₂S |
0.003% umkhawulo |
Iron, Fe |
0.003% umkhawulo |
Lawa manani ayimikhawulo yokucaciswa kwabahlinzeki kunemiphumela eqinisekisiwe yeqoqo ngalinye. Izibalo zangempela kufanele zihlolwe kuqeqebana elifanele i-COA.
Abathengi abasebenzisa indlela ethile yokuhlola noma umkhawulo oqinile kufanele basho imfuneko ku-RFQ.
Izinhlelo zokusebenza ezihlukene zingabeka ukubaluleka okukhulu ezinkomba zekhwalithi ezihlukene.
Isicelo |
Amapharamitha Avame Ukuhlolwa |
|---|---|
I-dechlorination yamanzi |
Ifomu lomkhiqizo, ukuhlanzeka, ukuchithwa kanye ne-pH |
Ukucutshungulwa kwezindwangu |
Ukuhlanzeka, into engancibiliki, insimbi kanye nokuvumelana kwenqwaba |
I-Pulp nephepha |
Ukuhlanzeka, into engancibiliki kanye nokungcola okuyinsalela |
Izithombe |
Ubumsulwa, insimbi, ukucaca kwesixazululo kanye nezidingo zebanga |
Igolide leaching |
Ukuhlanzeka, usayizi wezinhlayiyana, ukungcola nokuvumelana kweqoqo |
Ukusetshenziswa kokuhlaziya |
Izinga lokuhlola, ubumsulwa kanye nemikhawulo yokungcola enemininingwane |
Umkhiqizo wezinga lezimboni akufanele uphathwe ngokuzenzakalelayo njengokudla, ikhemisi, i-reagent noma ibanga lezithombe. Abathengi kufanele baqinisekise izinga elidingekayo lesicelo sabo.
Abathengi bezimboni kufanele bagweme lawa maphutha okuthenga ajwayelekile:
Ukuqhathanisa i-pentahydrate ne-anhydrous sodium thiosulfate
Ukubheka ubumsulwa kuphela nokunganaki ukungcola
Ukuqhathanisa imiphumela ye-pH ikalwa ngaphansi kwezimo ezihlukene
Ukuphatha ishidi lokucaciswa okujwayelekile njengeqoqo le-COA
Ukwamukela i-COA ngaphandle kokuhlola inombolo yeqoqo
Ukuqhathanisa izingcaphuno namaphakheji ahlukene noma ama-Incoterms
Kucatshangwa ukuthi ukucaciswa kwemboni eyodwa kulungele zonke izinhlelo zokusebenza
Izidingo ezicacile esigabeni sokubuza zinciphisa ukungezwani kwezobuchwepheshe kanye nokulandelela okungadingekile.
Ukuze uthole ikhotheshini enembile, abathengi ngokuvamile badinga ukuhlinzeka:
Ifomu lomkhiqizo elidingekayo noma ibanga
Isicelo esihlosiwe
Oda inani
Iphakheji ekhethwayo
Imbobo okuyiwa kuyo noma indawo yokulethwa
Idethi yokulethwa edingekayo, uma ikhona
Uma unokuhlanzeka okuthile, imikhawulo yokungcola noma izidingo zedokhumenti, sicela uzifake embuzweni. Uma kungenjalo, umphakeli angancoma ukucaciswa okufanele okusekelwe kuhlelo lokusebenza.
Ukunikeza lolu lwazi kusiza umphakeli ukuthi aqinisekise ukufaneleka komkhiqizo futhi alungiselele ikhotheshini enembe kakhudlwana.
Cha. Ishidi lemininingwane lichaza imikhawulo yekhwalithi eyamukelekayo. I-COA ibika imiphumela yokuhlola yangempela yeqoqo elithile lokukhiqiza.
Cha. Anamafomula ahlukene, izisindo zamangqamuzana nokuqukethwe okusebenzayo. Ifomu elidingekayo kufanele lishiwo ngokucacile ku-oda lokubuza nokuthenga.
I-pH ebikiwe ingase incike ekugxilweni kwesisombululo, ikhwalithi yamanzi, izinga lokushisa kanye nendlela yokuhlola. Abathengi abanesidingo esiqinile se-pH kufanele bachaze izimo zokuhlola.
I-Aozun Chemical ihlinzeka nge-industrial-grade sodium thiosulfate pentahydrate kubathengi bezimboni bamazwe ngamazwe.
Imikhiqizo ihlolwa ngaphambi kokuthunyelwa, futhi i-COA ikhishelwa ukuqinisekiswa kwekhwalithi. Ukuze uthole ikhotheshini enembile, sicela unikeze imininingwane yakho edingekayo, isicelo, inani, ukupakisha, imbobo kanye ne-Incoterm ekhethwayo.
Buka i- ikhasi lomkhiqizo we-sodium thiosulfate noma xhumana ne-Aozun Chemical ukuze ucele ukucaciswa kwakamuva, isampula, i-COA kanye nekhotheshini.
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