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    Current Location: Home > Technical Exchange

    Preparation of common buffer solutions

    Time: 2023-09-25

    Preparation of common buffer solutions:

    PH value Preparation method
    0 1mol/lHCl
    1 0.1mol/lHCl
    2 0.01mol/lHCl
    3.6 NaAc.3H20 8g, dissolve in an appropriate amount of water, add 6 mol/l HAc 134ml, and dilute to 500ml
    4.0 NaAc.3H20 20g, dissolve in an appropriate amount of water, add 6 mol/l HAc 134ml, and dilute to500ml
    4.5 NaAc.3H20 32g, dissolve in an appropriate amount of water, add 6 mol/l HAc 68 ml, and dilute to500ml
    5.0 NaAc.3H20 50g, dissolve in an appropriate amount of water, add 6 mol/l HAc 34 ml, and dilute to500ml
    5.7 NaAc.3H20 100g, dissolve in an appropriate amount of water, add 6 mol/l HAc 13 ml, and dilute to500ml
    7 NH4Ac 77g, After dissolving with water, and dilute to500ml
    7.5 NH4Cl 60g, dissolve in an appropriate amount of water, Add 1.4ml of 15 mol/l ammonia water, and dilute 500ml
    8.0 NH4Cl 50g, dissolve in an appropriate amount of water, Add 3.5ml of 15 mol/l ammonia water, and dilute 500ml
    8.5 NH4Cl 40g, dissolve in an appropriate amount of water, Add 8.8ml of 15 mol/l ammonia water, and dilute 500ml
    9.0 NH4Cl 35g, dissolve in an appropriate amount of water, Add 24ml of 15 mol/l ammonia water, and dilute 500ml
    9.5 NH4Cl 30g, dissolve in an appropriate amount of water, add 入15 mol/l氨水65ml, and dilute 500ml
    10.0 NH4Cl 27g, dissolve in an appropriate amount of water, add 入15 mol/l氨水197ml, and dilute 500ml
    10.5 NH4Cl 9g, dissolve in an appropriate amount of water, add 入15 mol/l氨水175ml, and dilute 500ml
    11 NH4Cl 3g, dissolve in an appropriate amount of water, add 入15 mol/l氨水207ml, and dilute 500ml
    12 0.01mol/lNaOH
    13 0.1mol/lNaOH

    Note: When there is an obstacle to chloride ions, nitric acid can be used When there are obstacles to sodium ions, KOH can be used.

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