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ɽ|ɷ޹˾ > ԭo > A99.2%D(yu)Ʒ

A99.2%D(yu)Ʒ

  • A99.2%D(yu)Ʒ
  • ӆ؛

    r񣨲

  • 1

    1500.00Ԫ/

  • (yng)(bio)}A99.2%D(yu)Ʒ

    r늃x

    l(f)˾ɽ|ɷ޹˾

    ؛60000

    “(lin)ϵˣΝ

    l(f)؛cV| V S҅^(q)

    l(f)rg20221014

    Ч20221114

    ھԃ

    ھԃPھԃP

    a(chn)ƷCϢ|(zh)δӋ

ܰѣՈMÌHķߴʩƷҪM(jn)ƷCһ棨؛SC뾳zCA(y)C¹ڲzy棩

鿴ͬa(chn)Ʒ

ƷƣS
  • ԭa(chn)أɽ|F(tun)
  • ȣ100
  • (zh)|(zh)(bio)(zhn)(bio)
  • ̖(yu)
  • Q̼c
  • 99.2%
  • ܣNa2CO3ɫĩ鏊늽|(zh)ˮ}ͨ

    ;V(yng)pջW(xu)I(y)ʳƷI(y)t(y)ˎI(lng)

    ӢSoda ash

    P(gun)]AAr߄ArA

    Ϣ

    ̼cɫĩwoζЉAԡljAԵ}ˮԡ¶ÿ՚u 1mol/Lˮ(s15%)400r_ʼʧȥֽ̼ⲢvˮҜؕr3.535r2.2ݣ͸ҴˮҺʏApH11.6ܶ2.53c851딵(sh)30գС󣬸ǻ116.6mg/kgд̼ɚc̼l(f)W(xu)(yng)Y(ji)϶ɡ

    2.2ܽ

    ̼cˮ20z϶ȕrһٿˮ20̼c΢ڟoˮҴڱ̼cһNA}ˮl(f)ˮⷴ(yng)(̼cˮa(chn)̼c͚cʹҺ@AԣһĸgcM(jn)Џ(f)ֽⷴ(yng)Na2CO3+H2SO4==Na2SO4+H2O+CO2↑(yng)}ų̼

    2.3 (wn)

    (wn)^ߜҲɷֽcͶ̼Lڱ¶ڿ՚տ՚еˮּ̼̼cY(ji)ӲKԺ܏ ׽Y(ji)ӲKڸߜҲֽ⡣нY(ji)ˮ̼c3NNa2CO3·H2ONa2CO3·7H2O Na2CO3·10H2O

    2.4 W(xu)(sh)

    ڣ298.15K100kğW(xu)(sh)

    ̼c

    ̼c

    B(ti)s

    (bio)(zhn)ĦɟΔfHmθkJ·mol^-1-1130.7

    (bio)(zhn)Ħɼ˹ΔfGmθkJ·mol^-1-1044.4

    (bio)(zhn)SmθJ·mol^-1·K^-1135.0

    2.5 e

    ̼cڏA}A}ljAǏA}̼cˮҺx̼xcˮКxӽY(ji)ϳ̼xӣ(do)ҺКxӜpʣxĚxҺpH@Aԣ

    Na2CO3 ==== 2Na++CO32-

    CO32- +H2O ==== HCO3- + OH-

    HCO3- + H2O ==== H2CO3 + OH-

    ݋W(xu)|(zh) 3.1 L(fng)

    ̼cĽY(ji)ˮʯA(Na2CO3·10H2O)ڸĿ՚L(fng)

    Na2CO3·10H2O====Na2CO3+10H2O

    3.2 cᷴ(yng)

    Na2CO3+ 2HCl^ ==== 2NaCl +H2CO3

    ̼᲻(wn)ֽɶ̼ˮ

    H2CO3====H2O + CO2↑

    Na2CO3+ HCl ==== NaCl + NaHCO3

    3.3 cA(yng)

    Na2CO3+ Ca(OH)2==== 2NaOH + CaCO3↓̼}ɫyˮᣩ

    3.4 c}(yng)

    Na2CO3+ BaCl2==== 2NaCl + BaCO3↓̼^ɫyˮᣩ

    3Na2CO3+ Al2(SO4)3+ 3H2O ==== 2Al(OH)3↓+ 3Na2SO4+ 3CO2↑

    XɫyˮA

    Na2CO3+CaCl2=====2NaCl+CaCO3↓

    3.5 cH2OCO2(yng)

    Na2CO3+ H2O + CO2==== 2NaHCO3ډAԭh(hun)г

    ݋a(chn)

    4.1 g(sh)l(f)չʷ

    4.1.1 ҷ

    ȡ̼c2NaOH + CO2==== Na2CO3+ H2O

    4.1.2 βm

    ^1791˾_ʼʳ}úʯʯԭa(chn)̼cǞβm

    ˷ԭòڄӗla(chn)Ʒ|(zh)uS档

    4.1.3S

    1859rSʳ}ˮ̼ԭҜҺ̼cӟᣬֽ̼c˂˷QƉA˷һֱ

    4.1.4 °

    1943Ї˺°W(xu)wY(ji)Ї(ni)ȱ}ć SM(jn)иM(jn)Aͺϳɰɴ󹤘I(y)“(lin)ͬra(chn)̼cͻȻ@ʳ}ǞƉA

    4.2 (yng)ԭ

    ƉAͺƉAҪW(xu)(yng)ʽ飺

    (yng)ʽһNaCl + CO2+ NH3·H2O ==== NaHCO3↓+ NH4Cl

    NaHCO3̼cֻ@Nl̼cܽԓlµܽȣ̼cw(jng)^Võ̼cw

    (yng)ʽ2NaHCO3==Δ== Na2CO3+ CO2↑+ H2O

    ƉAͺƉAͬϷȡ^NH3ѭh(hun)ʹõģ

    2NH4Cl + Ca(OH)2 ==Δ== 2NH3↑+ CaCl2+ 2H2O

    Ϸȡ^NH4Clֱ鼃Aĸa(chn)Ʒ----ϡ

    ϷĮa(chn)Ʒ̼ca(chn)Ȼ}ϷĮa(chn)Ʒ̼ca(chn)Ȼ@

    4.3 ƉAԔ

    NaClͣ + NH3+ H2O + CO2==== NH4Cl + NaHCO3

    2NaHCO3==Δ== Na2CO3+ H2O + CO2↑

    cˮͶ̼(yng)һӵ̼@@ǿǰ

    1NH3+ H2O + CO2==== NH4HCO3

    ڶǣ̼@cȻc(yng)ɵ̼cȻ@̼c֮Գܽ^С

    2 NH4HCO3 + NaClͣ ==== NH4Cl + NaHCO3↓

    ϳɵ̼cֱֿӳSNۣ̼cӟֽ̼cɵĶ̼»صǰ

    32NaHCO3==Δ== Na2CO3+ H2O+ CO2↑

    (j)NH4ClܽȱNaClڵ͜…sNaClܽСԭ 278K 283K(5 桫 10 棩 rĸҺмʳ}(x)ʹNH4ClΪY(ji)

    ˷(yu)c˰Aă(yu)cȱcʹʳ}ߵ96 %NH4Cl cϳɰS“(lin)ʹϳɰԭϚCO D(zhun)CO2CaCO3CO2@һ

    4.4 ̼cļg(sh)ָ(bio)

    ָ(bio)Ŀ ָ (bio)
    1 2 3
    A%) 99 98 96
    Ȼ%) 0.5 0.9 1.2
    ˮ%) 0.04 0.1 0.15
    F%) 0.004 0.006 0.010
    }%) 0.03 0.08 -
    ʧ(%) 0.8 1.0 1.3
    ݋;

    ̼cҪĻԭ֮һV(yng)pջW(xu)I(y)ʳƷI(y)ұʯ͡t(y)ˎI(lng) W(xu)Ʒԭϴϴ섩Ҳg(sh)ͷI(lng)

    ^󲿷ڹI(y)һС֞áڹI(y)üAҪpW(xu)I(y)sռ2/3ұ𡢼ʯ͡t(y)ˎI(y)I(y)ǼA^MTÿļA0.2W(xu)I(y)ˮtcccСKɰcұ𹤘I(y)ұۄxVøx䓺͟RÓ򄩡ӡȾI(y)ܛˮƸ﹤I(y)ԭƤÓ֬кttҺA߀a(chn)ϳϴ섩ӄcc}ȡʳüAa(chn)ζʳȡ[2]

    5.1 MI(lng)

    I(lng)I(y)ǼA^MTÿļA0.2

    W(xu)I(y)ˮtcccСKɰcȡ

    ұ𹤘I(y)ұۄxVøx䓺͟RÓ

    ӡȾI(y)ܛˮ

    Ƹ﹤I(y)ԭƤÓ֬кttҺA

    ջa(chn)ϳϴ섩ӄcc}ȡ

    ʳƷI(y)ʳüAa(chn)ζʳ

    ⣬ڷI(lng)И(bio)Һ (zhn)yX~U\z?zi)ҺȫѪˮжۄٽȡ?/p> 5.2 MY(ji)(gu)

    ^󲿷̼cڹI(y)һС֞á

    ڹI(y)I(lng)AҪpW(xu)I(y)sռ2/3ұ𡢼ʯt(y)ˎI(y)sռ1/3

    ɽ|ɷ޹˾Ϣ

    ɽ|F(tun)҇dzĸº󻯹I(y)F(tun)1998ڳɹĿǰa(chn)߿Ƽ}a(chn)Ʒ100NҪa(chn)ƷAȻ}ȻVƬAʮ,廯h(hun)֬,Ȼ⛣ˮVcϵ,cϵ,VVϵЮa(chn)Ʒ:Aa(chn)ϷdzģȻ}ȻV}ȼĮa(chn)ǁ޷dzġV݁Q(mo)޹˾(ԭVݳƼ޹˾)2004ɽ|F(tun)ȻVa(chn)ƷVNk̎ĻƼ޹˾Ҫɽ|F(tun)a(chn)ƷڏV|؅^(q)NۺƏV˾^(yu)ݵăr,^(yu)|(zh),^`Ľ(jng)Iʽ^Ƶۺ(w)ṩ^MĮa(chn)ƷgӭV(ni)͑ˁǢՄ(chung)x .

    ؅^(q)V| V S҅^(q)
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    a(chn)Ʒԣ
    Ӌλ ؛60000 Сӆ1 a(chn)Ʒ΃r Ʒƣ Ҏ(gu)̖ bf

    A99.2%D(yu)Ʒa(chn)Ʒśr

    Q̼cĄeKAAAػ(|(zh)̼c)p(p|(zh)̼c)߼̼cʳA(ʳ̼c)СK̼cKcӢQSodiumCarbonateӢĄe:Sodiumcarbonateanhydrous;Sodiumcarbonatesolution;sodaash;disodiumcarbonate;Sodiumcarbonate-12C,13C-depleted;calcinedsoda;Carbonicaciddisodiumsalt;Sodiumcarbonate,high-purity;Sodiumcarbonate,dense;SODAASHLIGHTCAS̖497-19-8EINECS231-867-5Ąe׷QAKAK(Soda)ډAvʷһ㽛(jng)ҿں͹űD(zhun)\ȫСډA֮fA棨ʳÉAȻ磨}ˮ̼cQȻAoY(ji)ˮ̼cĹI(y)Qp|(zh)AһY(ji)ˮ̼cĹI(y)Q|(zh)A̼c}ډA̼cˮҺʉAAf
    (yng)

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