Strontium Nitrate rau Kev Siv Hauv Kev Lag Luam: Ib Phau Ntawv Qhia Txog Kev Siv Tshuab rau Cov Neeg Yuav Khoom Thoob Ntiaj Teb
—— Kev Xaiv Qib, Kev Sib Txuas Daim Ntawv Thov & Kev Ua Raws Cai Zoo Tshaj Plaws
Strontium nitrate [Sr(NO₃)₂]] yog ib qho alkaline earth nitrate uas muaj nqis heev uas siv dav hauv pyrotechnics, optical glass, electronic ceramics, thiab analytical reagents. Nws cov xim liab tshwj xeeb thiab cov khoom oxidizing ua rau nws tsis tuaj yeem hloov pauv tau hauv ntau cov txheej txheem tsim khoom siab.
Muaj ntau tus neeg yuav khoom thoob ntiaj teb tsuas yog tsom mus rau cov ntsiab lus Sr thiab tus nqi ib chav thaum nrhiav khoom, tab sis tsis quav ntsej txog cov khoom tsis huv tseem ceeb: Ba, Ca, Fe, thiab Cl⁻. Cov khoom tsis huv no ncaj qha txiav txim siab qhov ua tau zoo ntawm cov khoom kawg, xim sib xws, thiab kev ruaj khov ntawm cov txheej txheem.
Phau ntawv qhia no pab cov neeg yuav khoom thoob ntiaj teb nkag siab txog cov qauv qib, kev xaiv tshwj xeeb rau daim ntawv thov, thiab kev ua raws li txoj cai rau cov saw hlau thoob ntiaj teb.
1. Cov Khoom & Kev Faib Qib Txheem
Cov yam ntxwv ntawm lub cev thiab tshuaj lom neeg
Dawb / tsis muaj xim crystalline hmoov
Yaj hauv dej, nruab nrab hygroscopicity
Muaj zog oxidizer (tso tawm O₂ ntawm qhov kub siab)
Tsim cov nplaim liab kub heev (cov xim pyrotechnic tseem ceeb)
Muaj nyob rau hauv daim ntawv siv lead ua los yog hmoov; qhov loj me me tuaj yeem hloov kho tau
Qib Kev Lag Luam (Thoob Ntiaj Teb Sib Xws)
1.1 Qib Kev Lag Luam
Rau cov khoom siv pyrotechnics, ceramic glazes, kev tsim hluav taws xob dav dav
Qhov Huv: ≥99.0%
Cov lus qhia tseem ceeb: dej noo, cov khoom tsis yaj, Cl⁻, Ba, Ca, Fe, SO₄²⁻
oBa & Ca yog cov cim qhia txog qhov zoo tseem ceeb
1.2 Qib Siab Purity / Qib Kev Txawj Ntse
Rau cov iav kho qhov muag zoo tshaj plaws, cov khoom siv hluav taws xob ceramics, cov foob pob hluav taws zoo tshaj plaws
o Yuav tsum muaj Ba, Ca, Fe, Na tsawg heev
oTrace Ba ua rau nplaim liab hloov pauv; Fe ua rau nplaim tsaus ntuj
1.3 Qib Tshuaj Reagent Analytical (AR)
Rau cov qauv kuaj hauv chaw kuaj mob, kev tshuaj xyuas tshuaj lom neeg kom meej
o Kev txwv tsis pub muaj ib qho kev tsis huv
Cov Ntaub Ntawv Yuav Tsum Tau Ua Raws Cai (Rau Kev Lag Luam Thoob Ntiaj Teb)
Xyuas kom tseeb cov no ua ntej cog lus:
Daim Ntawv Tso Cai Ua Lag Luam Tshuaj Lom Zem (kev tsim nyog ua lag luam raug cai)
Hloov kho MSDS (GHS ua raws li, kev nyab xeeb kev thauj mus los thoob ntiaj teb)
Batch COA nrog kev taug qab tag nrho (kev ntsuam xyuas + cov ntaub ntawv tsis huv: Ba, Ca, Fe)
2. Cov Ntsiab Cai ntawm Daim Ntawv Thov & Kev Sib Piv Qib
Cov Txheej Txheem Ua Haujlwm Tseem Ceeb
Kev rhuav tshem cua sov tso tawm cov pa oxygen; Sr²⁺ tso tawm cov xim liab tshwj xeeb
Hauv iav: kho qhov ntsuas refractive thiab dispersion
Hauv cov khoom siv ceramics: muab cov khoom siv Sr tswj hwm rau cov khoom siv hluav taws xob
Cov Kev Cai Tshwj Xeeb rau Daim Ntawv Thov
2.1 Cov Khoom Siv Hluav Taws Xob thiab Cov Khoom Siv Teeb Liab (Kev Lag Luam Loj Tshaj Plaws)
Siv rau hauv cov foob pob hluav taws liab, cov teeb liab ceeb toom kev kub ntxhov, cov teeb liab dav hlau
Tseem Ceeb: Ba < 0.02% rau nplaim liab ntshiab
oBa tso tawm lub teeb ntsuab, ua rau muaj xim txiv kab ntxwv; qib qis-Ba txhim kho kev txaus siab ntawm cov xim thiab kev pom zoo ntawm cov neeg siv khoom
2.1 Cov Iav Kho Qhov Muag thiab Cov Khoom Siv Uas Ua Los Ntawm Av nplaum Tshwj Xeeb
oCa siab ua rau cov refractive index txo qis; Fe siab ua rau lub teeb xa tau yooj yim dua
Yuav tsum tau muaj Fe tsawg heev thiab tswj Ca tas li
2.3 Cov Cheebtsam Hluav Taws Xob & Ferrite
oCov khoom siv ua ntej rau kev ua haujlwm siab Sr ferrites (cov hlau nplaum tas mus li)
oQhov sib piv ntawm Ba/Ca uas meej yuav tsum muaj rau kev coercivity thiab remanence
2.4 Kev Tshuaj Xyuas Tshuaj
Rau cov kev daws teeb meem AAS thiab cov khoom siv raw Sr uas muaj purity siab
Cov Kev Cai Tswj Xyuas Zoo ntawm Tus Neeg Muag Khoom
Cov chaw tsim khoom siv cov khoom zoo tshaj plaws:
Kev rov ua dua ntau theem
Kev xaiv nag los (kom cais Ba ntawm Sr)
Cov ntim khoom qhuav thiab tsis muaj dej noo
Kev kuaj ICP rau kev tshuaj xyuas qhov tsis huv tag nrho
3. Cov Yuam Kev thiab Kev Kho Mob Feem Ntau Thaum Yuav Khoom (Rau Cov Neeg Yuav Khoom Thoob Ntiaj Teb)
Yuam Kev 1: Kev txiav txim siab zoo tsuas yog los ntawm kev sim tseem ceeb xwb
Qhov huv tshaj plaws yog qhov yuav tsum tau ua tsawg kawg nkaus. Qhov tsis huv ntawm Ba/Ca cuam tshuam rau kev ua haujlwm ntau dua li 1–2% qhov kev hloov pauv ntawm qhov huv. Kho: Teem kom meej cov kev txwv ntawm Ba/Ca nrog koj pab neeg R&D.
Yuam Kev 2: Muab tus nqi tso ua ntej qhov sib xws ntawm cov khoom muag
Kev tswj hwm Ba nyob ntawm cov thev naus laus zis ntxuav. Cov khoom tsis sib xws ua rau xim / kev ua haujlwm tsis ruaj khov. Kho: Xaiv cov neeg muag khoom nrog cov txheej txheem ruaj khov, tsis yog tus nqi qis tshaj plaws.
Yuam Kev 3: Tsis quav ntsej cov ntaub ntawv Ba/Ca ntxaws ntxaws ntawm COA
Ntau cov COAs kev lag luam yooj yim tsis teev Ba/Ca cais. Kho: Qhia meej cov txheej txheem sim thiab cov kev txwv hauv koj daim ntawv cog lus kev siv tshuab (siv: GB/T 669-2013).
Txoj Kev Npaj Khoom Siv Ntse
Xaiv cov chaw muag khoom uas muab:
Cov qauv tsis huv uas tsim tshwj xeeb
Cov COAs ntxaws ntxaws
Cov ntim khoom uas tsis muaj dej noo
Kev xa khoom phom sij raws li UN
4. Cov Qauv Kev Lag Luam & Kev Hloov Pauv ntawm Cov Khoom Siv
Kev lag luam thoob ntiaj teb strontium nitrate tab tom hloov pauv:
Los ntawm kev lag luam khoom muag → kev pabcuam khoom siv thev naus laus zis
Kev tswj hwm qhov tsis huv rau cov khoom siv pyrotechnics siab heev
Kev huv siab dua & kev sib xws rau cov khoom siv kho qhov muag / hluav taws xob
Cov cai tswjfwm kev thauj khoom txaus ntshai thoob ntiaj teb nruj dua
Cov neeg muag khoom hauv Suav teb (piv txwv li, Dushi Mine Technology) muab:
Cov khoom lag luam qib siab: kev lag luam → kev huv siab
Kev kuaj hauv chaw kuaj mob thiab kev txhawb nqa kev ua raws cai
Kev txhawb nqa kev tsim kho rau cov neeg siv khoom thoob ntiaj teb
Cov Lus Tsis Lees Paub
Daim ntawv no yog raws li cov ntsiab cai dav dav ntawm tshuaj lom neeg thiab cov ntaub ntawv lag luam rau pej xeem siv rau kev siv xwb. Ib txwm ua kom paub tseeb los ntawm kev kuaj hauv chav kuaj thiab paub meej cov lus qhia kawg hauv daim ntawv cog lus txuj ci/zoo uas tau kos npe.