Sodium cyanide (NaCN) yog ib qho inorganic compound uas tau nyiam ntau lub siab rau nws cov khoom tshwj xeeb thiab kev siv, tshwj xeeb tshaj yog nyob rau hauv kev lag luam mining thiab tshuaj lom neeg. Cov khoom siv crystalline no tsis muaj xim, uas zoo li qab zib hauv qhov tsos, yog soluble heev hauv dej thiab paub txog nws cov tshuaj lom heev. Hauv kev sib piv, Sodium Chloride (NaCl), feem ntau hu ua ntsev rooj, yog ib qho tshuaj tsis muaj tshuaj lom uas ua lub luag haujlwm tseem ceeb hauv ntau yam kev ua haujlwm ntawm lub cev thiab kev lag luam. Tsab xov xwm no saib ze dua ntawm pH ntawm Sodium Cyanide , nws txawv li cas ntawm sodium chloride, thiab cov txiaj ntsig ntawm nws siv.
Chemical zog thiab pH nqi
Sodium cyanide yog alkaline. Thaum yaj rau hauv dej, nws dhau los ua hydrolysis los tsim cov hydroxide ions (OH⁻) thiab cyanide ions (CN⁻). Lub pH ntawm cov tshuaj sodium cyanide sib txawv nyob ntawm qhov concentration ntawm NaCN hauv nws. Feem ntau, cov tshuaj sodium cyanide muaj pH ntau dua 7. qhia tias lawv yog alkaline. Cov khoom no yog qhov tseem ceeb hauv ntau yam kev siv, tshwj xeeb tshaj yog hauv cov txheej txheem uas xav tau ib qho pH tshwj xeeb rau kev ua haujlwm zoo tshaj plaws.
Hauv qhov sib piv, sodium chloride yog nruab nrab, nrog pH ze rau 7 thaum yaj hauv dej. Qhov sib txawv hauv pH no yog ib qho tseem ceeb ntawm kev sib txawv ntawm sodium cyanide los ntawm sodium chloride, cuam tshuam rau lawv cov kev siv thiab kev nyab xeeb.
Kev siv Sodium Cyanide
Sodium cyanide feem ntau paub txog nws lub luag haujlwm hauv Kev Khawb Kub , qhov chaw uas nws siv los rho kub ntawm cov ores thaum lub sijhawm cyanidation. Cov tshuaj no tsim cov khoom sib xyaw nrog kub, yog li cais nws ntawm lwm cov minerals. Txoj kev no zoo heev thiab tau txais kev pom zoo dav hauv kev lag luam khawb av. Ntxiv nrog rau kev rho kub, sodium cyanide kuj tseem siv rau hauv kev rho nyiaj thiab ntau yam txheej txheem Electroplating , qhov chaw uas nws ua haujlwm ua qhov chaw ntawm cyanide ions, pab txhawb kev tso cov hlau rau ntawm qhov chaw.
Ntxiv rau kev siv rau kev khawb av, sodium cyanide siv rau hauv Organic Synthesis thiab kev tsim tshuaj. Nws yog ib qho tseem ceeb reagent hauv kev tsim cov organic nitrile compounds, uas yog qhov tseem ceeb rau kev tsim ntau yam tshuaj thiab cov ntaub ntawv. Tsis tas li ntawd, sodium cyanide siv ua reagent hauv kev tshuaj xyuas tshuaj kom ntes tau qee cov hlau ions.
Txawm hais tias nws siv tau ntau yam los xij, sodium cyanide muaj kev pheej hmoo loj vim nws muaj tshuaj lom heev. Cov tshuaj no tsis muaj ntxhiab, tab sis thaum hydrolyzed nws tso tawm me me ntawm Hydrogen Cyanide (HCN), ib qho roj lom heev uas muaj ntxhiab zoo li txiv laum iab. Cov yam ntxwv no ua rau sodium cyanide txaus ntshai heev, vim tias kev raug nws tuaj yeem ua rau muaj kev mob nkeeg loj heev, suav nrog kev ua pa tsis ua haujlwm thiab tuag.
Teeb meem kev nyab xeeb thiab toxicity
Lub toxicity ntawm sodium cyanide tsis tuaj yeem kwv yees. Nws raug cais raws li cov khoom muaj kev phom sij heev thiab tuaj yeem ua rau tuag taus txawm tias me me. Cov tshuaj muaj peev xwm nkag mus rau hauv lub cev los ntawm kev nqus pa, noj lossis kev sib cuag ntawm daim tawv nqaij, ua rau cov tsos mob sai sai xws li mob taub hau, kiv taub hau, tsis meej pem, thiab mob hnyav, txawm tias tsis nco qab thiab tuag. Nws tau kwv yees tias qhov koob tshuaj tuag ntawm sodium cyanide rau tus neeg laus yog li 200-300 mg, ua rau nws yog ib qho tshuaj txaus ntshai tshaj plaws hauv kev siv niaj hnub no.
Vim nws qhov xwm txheej tsis zoo, muaj cov kev cai nruj heev txog kev tuav, khaws cia thiab pov tseg ntawm sodium cyanide. Kev lag luam uas siv qhov sib xyaw no yuav tsum ua kom tiav cov txheej txheem kev nyab xeeb los tiv thaiv cov neeg ua haujlwm thiab ib puag ncig. Qhov no suav nrog kev siv cov cuab yeej tiv thaiv tus kheej (PPE), cov tshuab ua pa kom raug thiab cov phiaj xwm teb xwm txheej kub ntxhov thaum muaj xwm txheej tshwm sim los yog nchuav.
Kev sib piv nrog Sodium Chloride
Sodium chloride, ntawm qhov tod tes, yog ib qho benign compound uas yog qhov tseem ceeb rau tib neeg kev noj qab haus huv thiab kev lag luam. Nws yog feem ntau siv los ua zaub mov flavoring thiab preservative thiab plays lub luag haujlwm tseem ceeb hauv kev tswj cov electrolyte hauv lub cev. Hauv cov ntawv thov kev lag luam, sodium chloride yog siv los tsim cov tshuaj chlorine thiab caustic soda, nrog rau cov txheej txheem kho dej.
Qhov sib txawv me ntsis ntawm sodium cyanide thiab sodium chloride qhia txog qhov tseem ceeb ntawm kev nkag siab txog chemistry thiab nws qhov cuam tshuam rau kev nyab xeeb thiab kev noj qab haus huv. Sodium chloride muaj kev nyab xeeb rau kev haus thiab muaj ntau yam kev siv tau zoo, thaum sodium cyanide nthuav tawm cov kev pheej hmoo tseem ceeb thiab yuav tsum tau ua tib zoo saib xyuas thiab tswj xyuas.
nyob rau hauv xaus
Sodium cyanide yog ib qho muaj zog thiab ntau yam sib xyaw nrog cov ntawv thov tseem ceeb hauv kev khawb kub, organic synthesis, thiab electroplating. Txawm li cas los xij, nws cov tshuaj toxicity siab thiab muaj peev xwm txaus ntshai yuav tsum muaj kev ntsuas kev nyab xeeb thiab kev tswj hwm nruj. Nkag siab txog pH thiab chemistry ntawm sodium cyanide, nrog rau qhov nws txawv ntawm sodium chloride, yog qhov tseem ceeb rau txhua tus neeg ua haujlwm nrog lossis kawm txog cov ntsiab lus no. Raws li kev lag luam txuas ntxiv cia siab rau sodium cyanide rau ntau yam kev siv, kev tshawb fawb txuas ntxiv thiab kev ruaj ntseg nce qib yog qhov tseem ceeb los txo cov kev pheej hmoo cuam tshuam nrog cov khoom siv phom sij no.
Hauv cov ntsiab lus, thaum sodium cyanide ua lub luag haujlwm tseem ceeb hauv ntau cov txheej txheem kev lag luam, nws cov kev phom sij tsis tuaj yeem tsis quav ntsej. Kev paub thiab kev kawm txog nws cov khoom, kev siv, thiab kev ntsuas kev nyab xeeb yog qhov tseem ceeb los xyuas kom muaj kev noj qab haus huv ntawm tib neeg thiab ib puag ncig.
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