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盐溶液配制

发布时间：2019-04-22 23:20 原文链接： 盐溶液配制

AcO-          --- part one ---

(AcO)2Ca 1; 1.5M
AcOK 1; 2; 3; 4; 5; 6; 7; 8M
(AcO)2Mg 1M
AcONa 1; 2; 3; 4M
pH of Ac K/Na solutions
AcONH4 1; 2; 3; 4M

CO3-

K2CO3 1; 2; 3; 4; 5; 6M
KHCO3 1M
Na2CO3 1; 2M
NaHCO3 1M
(NH4)2CO3 1; 2; 3; 4; 5M

Br-

KBr 1; 2; 3; 4; 4.5M
NaBr 1; 2; 3; 4; 5.5M

Cl-

CaCl2 1; 2; 3; 4; 5M
CoCl2 1; 1.5M
CsCl 1; 2; 3; 4; 5; 6; 7M
KCl 1; 2; 3; 3.5M
LiCl 1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12M
MgCl2 1; 2; 3; 4M
MnCl2 1; 2; 3M
NaCl 1; 2; 3; 4; 5M
NH4Cl 1; 2; 3; 4; 5M
NiCl2 1; 1.5M
RbCl 1; 2; 3; 4; 5; 6M
ZnCl2 1; 2; 3; 4; 5; 6; 7; 8; 9; 10M

ClO4-

NaClO4 1; 2; 3; 4M

 Supplement.
SxOy2-          --- part two ---

Cs2SO4 1M
CuSO4 1M
K2SO4 0.5M
KHSO4 1; 2M
MgSO4 1; 2; 2.5M
MnSO4 1; 2; 2.5M
Na2SO3 1; 1.5M
Na2S2O3 1; 2; 3M
Na2SO4 1M
NaHSO4 1; 2M
(NH4)2SO4 1; 2; 3; 4; 4.5M
NiSO4 1M
ZnSO4 1; 2; 2.5M

NO3-

AgNO3 1; 2; 3; 4; 5; 6M

PO42-

KH2PO4 1M
pH of KP solutions 1M
Na3PO4 0.5M
Na2HPO4 0.5M
NaH2PO4 1M
pH of NaP solutions 1M

I-

KI 1; 2; 3; 4; 5; 6M
NaI 1; 2; 3; 4; 5; 6; 7M

Other:

NaN3 1; 2; 3; 4; 5M
KMnO4 0.5M
Na3C6H5O7 1M
Na3C6H5O7 1M

The densities of solutions were taken from "Reference book of chemist". (1964) Volume III, "Chemistry", Moscow-Leningrad, 2nd edition, Ed. B.P.Nikolskij. The original data are available on the page "Densities of salt solutions".









    About the recalculation of recipes for the arbitrary volumes:



    AcO-

    (AcO)2Ca

    Calcium Acetate, C4H6CaO4, Mw=158.17g/MConc.Stock%(w/w)50ml100ml250ml(AcO)2Ca1M158.2g/M14.6067.91g15.82g39.55gH2O mQ85.39446.245ml92.49ml231.23ml
    1000ml/158.2g/M1M1.5M(AcO)2Ca [g]158.2237.3H2O [ml]924.9884.1%(w/w)14.60621.161H2O %(w/w)85.39478.839p (g/ml) 18oC1.08311.1214

    AcOK

    Potassium Acetate, KCH3CO2, Mw=98.15g/M; (store at NT).
    Conc.Stock%(w/w)50ml100ml150mlKC2H3O21M98.15g/M9.384.908g9.815g14.723gH2O mQ90.6247.42ml94.84ml142.3ml
    Conc.Stock%(w/w)50ml100ml150mlKC2H3O25M98.15g/M40.2924.54g49.08g73.61gH2O mQ59.7136.36ml72.72ml109.07ml
    1000ml/98.15g/M1M2M3M4M5M6M7M8MKC2H3O2[g]98.15196.3294.45392.6490.75588.9687.05785.2H2O [ml]948.35895840.65784.6727.15668.2607.55545.7%(w/w)9.37917.98825.94033.35040.29546.84653.07058.998H2O %(w/w)90.62182.01274.06066.65059.70553.15446.93041.002p (g/ml) 18oC1.04651.09131.13511.17721.21791.25711.29461.3309

    (AcO)2Mg

    Magnesium Acetate, Mg(C2H3O2)2x 4H2O; Mw=214.46g/m; (store at NT).Conc.Stock50ml100ml300mlMg(C2H3O2)2x4H2O1M214.46g/M10.72g21.45g64.34gH2O mQ    0.5M: 10.33%(w/w) Mg(C2H3O2)2x 4H2O, 89.67% H2O; p=1.038, 18oC;
    (none) 1M: 20.44%(w/w) Mg(C2H3O2)2x4H2O, 79.56% H2O; p=1.049.

    AcONa

    Sodium Acetate, Na(CH3COO) x 3H2O; Mw=136.08g/M; (store at NT).Conc.Stock50ml100ml300mlAcONax3H2O3M136.08g/M20.41g40.82g122.5gH2O mQ    
    Na(CH3COO); Mw=82.03g/MConc.Stock50ml100ml300mlAcONa3M82.03g/M12.30g24.61g73.83gH2O mQ    pH5.2 - adjust by glacial acetic acid;
    pH7.0 - adjust by diluted acetic acid;

  • may be treated by DEPC and sterilized by autoclaving.

  • For 500ml of 3M NaAcDesired pH500mlGlacial acetic acid5.905ml5.806ml5.5810ml5.2520ml5.1725ml5.0730ml

    • 1000ml/82.03g/M1M2M3M4MNa(CH3COO) [g]82.03164.06246.09328.12H2O [ml]956.67912.64867.41821.18%(w/w)7.89715.23722.10128.550H2O %(w/w)92.10384.76377.89971.450p (g/ml) 18oC1.03871.07671.11351.1493

    (none) Preparation of 0.1 M Sodium and Potassium Acetate buffers.

    Solution A: 5.75ml glacial acetic acid/liter (0.1M).
    Solution B: 0.1M monobasic Sodium/Potassium Acetate.    

    Desired pHSolution>ASolutionBSolutionASolutionB3.646.3ml3.7ml3.844.0ml6.0ml4.041.0ml9.0ml4.236.8ml13.2ml4.430.5ml19.5ml4.625.5ml24.5ml4.820.0ml30.0ml5.014.8ml35.2ml5.210.5ml39.5ml5.48.8ml41.2ml5.64.8ml45.2ml

    AcONH4

    Ammonium Acetate, CH3COONH4; Mw=77.08g/M; (store at NT).Conc.Stock%(w/w)10ml50ml150mlCH3COONH410M77.08g/M71.847.708g38.54g115.62gH2O mQ28.163.022ml15.11ml45.33ml10M: p=1.073.
    Conc.Stock%(w/w)50ml100ml200mlAcONH47.5M10M76.3037.5ml40.24g75ml80.48g150ml160.95gH2O mQ23.7012.5ml25ml50ml
    Conc.Stock%(w/w)50ml100ml200mlAcONH42.0M10M21.1510ml10.73g20ml21.46g40ml42.92gH2O mQ78.8540ml80ml160ml
    1000ml/77.08g/M1M2M3M4MAcONH4 [g]77.08154.16231.24308.32H2O [ml]938.02875.64811.96747.28%(w/w)7.59314.97022.16629.208H2O %(w/w)92.40785.03077.83470.792p (g/ml) 18oC1.01511.02981.04321.0556


    CO3-

    K2CO3

    Potassium Carbonate, K2CO3, Mw=138.2g/M; 
    Conc.Stock%(w/w)50ml100ml250mlK2CO31M138.2g/M12.416.91g13.82g34.55gH2O mQ87.5948.77ml97.54ml243.85ml
    1000ml/138.2g/M1M2M3M4M5M6MK2CO3 [g]138.2276.4414.6552.8691829.2H2O [ml]975.4941.6900.4853.2802.2737.5%(w/w)12.41022.69331.52939.31746.27652.927H2O %(w/w)87.59077.30768.47160.68353.72447.073p (g/ml) 20oC1.11361.21801.31501.40601.49321.5667

    KHCO3

    Potassium Bicarbonate, KHCO3, Mw=100.1g/M;Conc.Stock%(w/w)50ml100ml250mlKHCO31M100.1g/M9.4145.005g10.01g25.03gH2O mQ90.58648.16ml96.32ml240.80ml1M; p=1.0633, 15oC

    Na2CO3

    Sodium Carbonate, Na2CO3, Mw=106.0g/M; 
    Conc.Stock%(w/w)50ml100ml250mlNa2CO31M106.0g/M9.6465.30g10.60g26.50gH2O mQ90.35449.645ml99.29ml248.23ml
    1000ml/106.0g/M1M2MNa2CO3 [g]106212H2O [ml]992.9979.2%(w/w)9.64617.797H2O %(w/w)90.35482.203p (g/ml)1.09891.1912

    NaHCO3

    Sodium Bicarbonate, NaHCO3, Mw=84.01g/M; (store at NT).
    Conc.Stock%(w/w)50ml100ml250mlNaHCO31M84.01g/M7.9434.201g8.401g21.00gH2O mQ92.05748.68ml97.369ml243.42ml1M: p=1.0577, 18oC

    (NH4)2CO3

    Ammonium Carbonate, (NH4)2CO3, Mw=96.09g/M;
    Conc.Stock%(w/w)50ml100ml250ml(NH4)2CO31M96.09g/M9.3174.805g9.609g24.02gH2O mQ90.68346.76ml93.52ml233.80ml
    1000ml/96.09g/M1M2M3M4M5M(NH4)2CO3 [g]96.09192.18288.27384.36480.45H2O [ml]935.21868.92800.63729.84654.75%(w/w)9.31718.11126.47434.49642.323H2O %(w/w)90.68381.88973.52665.50457.677p (g/ml) 15oC1.03131.06111.08891.11421.1352

    Br-

    KBr

    Potassium Bromide, KBr, Mw=119.0g/M; 
    Conc.Stock%(w/w)50ml100ml250mlKBr3M119.0g/M28.66817.85g35.70g89.25gH2O mQ71.33244.415ml88.83ml222.08ml
    1000ml/119.0g/M1M2M3M4M4.5MKBr [g]119238357476535.5H2O [ml]963.1926.3888.3849.3829.5%(w/w)10.99720.44128.66835.91639.231H2O %(w/w)89.00379.55971.33264.08460.769p (g/ml) 20oC1.08211.16431.24531.32531.365

    NaBr

    Sodium Bromide, NaBr, Mw=102.9g/M; 
    Conc.Stock%(w/w)50ml100ml250mlNaBr3M102.9g/M25.12615.435g30.87g77.18gH2O mQ74.87445.995ml91.99ml229.98ml
    1000ml/102.9g/M1M2M3M4M5M5.5MNaBr [g]102.9205.8308.7411.6514.5565.95H2O [ml]973.6947.3919.9891.6862.8848.15%(w/w)9.55917.84825.12631.58437.35640.022H2O %(w/w)90.44182.15274.87468.41662.64459.978p (g/ml) 20oC1.07651.15311.22861.30321.37731.4141