Barium hlau

1. Lub cev thiab cov tshuaj txuas ntxiv ntawm cov tshuaj.

Lub teb chaws tus lej

43009

Cas tsis muaj

7440-39-3

Suav Lub Npe

Barium hlau

Hmong npe

qia

Lub npe cuav

qia

Molecular Cov Qauv

Ba Tsos thiab cim Daim duab lo lus luam yeeb-dawb hlau, daj nyob rau hauv nitrogen, me ntsis ductile

Molecular hnyav

137.33 Kub taw tes 1640 ℃

Melting taw tes

725 ℃ So Insoluble hauv inorganic acids, insoluble nyob rau hauv cov kuab tshuaj

Ceev

Txheeb ze ntom ntom (dej = 1) 3.55 Ruaj khov Tsis ruaj

Kev phom sij

10 (cov khoom siv phom sij hauv kev sib cuag nrog ya raws) Thawj siv Siv hauv kev tsim cov ntsev ntawm cov ntsev, kuj siv los ua cov neeg sawv cev degassing, ballast thiab degassing alloy

2. Kev cuam tshuam rau ib puag ncig.

Kuv. Kev Noj Qab Haus Huv

Txoj kev ntawm kev ntxeem tau: nqus tau, noj.
Kev Noj Qab Haus Huv Cov phom sij: Barium Hlau yog yuav luag tsis muaj tshuaj lom. Soluble barium sals sals salts xws li barium chloride, thiab lwm yam. , myocardial koom tes, thiab cov ntshav tsawg. Kev ua pa ua pa ib leeg tuag tes tuag taw thiab mineocardial puas tuaj yeem ua rau tuag taus. Inhalation ntawm soluble barium sib xyaw ua paug yuav ua rau cov hmoov av lom, qhov kev ua tau zoo sib xws nrog lub qhov ncauj tshuaj tiv thaiv kab mob, tab sis cov tshuaj zom plab zom zaws, tab sis cov zom zom yog sib dua. Lub sijhawm ntev mus rau barium sib txuas yuav ua rau muaj kev haus dej haus, kev ua tsis taus pa, nrawm, nce ntshav siab thiab cov plaub hau poob. Kev siv plua plav ntev ntawm insoluble barium plua plav, xws li barium sulfate, tuaj yeem ua rau Barium pneumoconosis.

ii. Cov Lus Qhia Kev Lom Zem thiab Kev Tswj Xyuas Ib puag ncig

Cov yam ntxwv phom sij: tsawg tshuaj cuam tshuam, tuaj yeem nteg tshuaj lom neeg, tuaj yeem ua rau muaj huab cua thaum ua kom sov rau hauv lub xeev kub me me, tab sis cov hmoov av tuaj yeem hlawv ntawm chav tsev kub. Nws tuaj yeem ua rau kev sib txuas thiab tawg thaum raug cua sov, nplaim taws lossis tshuaj lom neeg. Nyob rau hauv kev sib cuag nrog dej los yog acid, nws reacts ua txhaum thiab tso hydrogen roj kom ua rau muaj kev sib txuas. Hauv kev sib cuag nrog fluorine, chlorine, thiab lwm yam, kev ua phem rau cov tshuaj lom neeg yuav tshwm sim. Thaum hu nrog kua qaub los yog dilute acid, nws yuav ua rau muaj kev sib txuas thiab tawg.
Combusion (decomposition) khoom: barium oxide.

3. On-site ceev ceev soj ntsuam cov hau kev.

 

4. Kev kuaj xyuas cov hau kev.

Potentiometric Titration (GB / T14671-93, Dej Zoo)
Atomic kev puas tsuaj txoj kev (GB / T15506-95, dej zoo)
Atomic absumpt txheej phau ntawv qhia ua kev sim tshuaj xyuas thiab ntsuas cov khoom siv nyiaj daus las, ib puag ncig ib puag ncig saib xyuas cov chaw nres tsheb dav dav thiab lwm tus

5. Ib puag ncig cov qauv.

Tus qub Soviet Union Cov kev tso cai tshaj plaws ntawm cov khoom muaj kev phom sij hauv kev ua haujlwm huab cua 0.5mg / m3
Tuam Tshoj (GB / T114848-93) Cov txheej txheem tsim nyog hauv av (MG / L) Chav Tsev Kuv 0.01; Chav Kawm Ntawv II 0.1; Chav kawm III 1.0; IV IV 4.0; Chav vl saum 4.0
Tuam Tshoj (yuav tsum tau tsim) Cov kev tso cai tshaj plaws ntawm cov tshuaj muaj kev puas tsuaj hauv cov khoom haus 0.7mg / l

6. Kev kho mob thiab pov tseg pov tseg.

Kuv. Cov lus teb thaum muaj xwm ceev rau nchuav

Cais tawm ntawm thaj chaw muaj paug thiab txwv tsis pub nkag mus. Txiav tawm ntawm cov hluav taws. Cov neeg ua haujlwm thaum muaj xwm txheej ceev tau qhia kom hnav tus kheej-nqus cov hmoov av plua plav thiab cov khaub ncaws hluav taws kub. Tsis txhob tuaj rau hauv kev sib cuag ncaj qha nrog cov txeej. Cov khoom nchuav me me: zam kom muaj plua plav thiab sau kom qhuav, ntxuav, npog cov ntim nrog daim ntaub huv. Hloov chaw rau kev rov ua dua tshiab. Cov nchuav hluav taws xob loj: Npog nrog cov ntaub ntawv yas lossis canvas kom txo qis kev tawg. Siv cov cuab yeej tsis hloov pauv thiab rov ua dua tshiab.

ii. Kev tiv thaiv kev tiv thaiv

Yuav tsum muaj kev tiv thaiv kev tiv thaiv kev tiv thaiv kev tiv thaiv tshwj xeeb, tab sis nws raug nquahu kom tus kheej preming hmoov av yuav hnav hauv cov xwm txheej tshwj xeeb.
Kev tiv thaiv qhov muag: hnav cov tsom iav kev nyab xeeb tshuaj.
Kev tiv thaiv lub cev: hnav cov khaub ncaws tiv thaiv khaub ncaws.
Tes tiv thaiv: Hnav hnab looj tes roj hmab.
Lwm yam: Kev haus luam yeeb yog nruj me ntsis txwv nyob ntawm chaw ua haujlwm. Them sai sai rau kev nyiam huv tus kheej.

III. Thawj pab kev ntsuas

Cov tawv nqaij tiv thaiv: Tshem cov khaub ncaws tsis huv thiab cov tawv nqaij yaug nrog xab npum thiab dej.
Hu rau qhov muag: nqa muag muag thiab yaug nrog dej ntws lossis dej qab ntsev. Nrhiav kev kho mob.
Inhalation: tshem tawm ntawm scene sai sai rau cua. Khaws cov pa qhib. Yog tias ua pa nyuaj, muab cov pa oxygen. Yog tias ua tsis taus pa nres, muab ua pa tawm dag zog sai. Nrhiav kev kho mob.
Kev noj haus dej: Haus cov dej sov sov, ua kom ntuav, cov plab zom mov nrog 2% -5% Sulium sulfate tov, thiab ua raws plab. Nrhiav kev kho mob.

Cov Hluav Taws Xob Hluav Taws Xob: Dej, Ua Npuas Ncauj, Carbon Dioxide, Halogenated Hydrocarbons (xws li 1211 extinguishing tus neeg sawv cev) thiab lwm yam hluav taws kub extinguishing. Qhuav graphite hmoov lossis lwm yam hmoov mov qhuav (xws li qhuav xuab zeb) yuav tsum tau siv los tua hluav taws.


Lub Sijhawm Post: Sep-03-2024