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The use of high-quality buffer solutions is essential in order to achieve the best possible results in laboratory tests that require a constant pH value in the test solution. The so-called "buffer systems" (= buffer solutions) have the task of preventing a drastic change of the pH level of the solution when an acid or base is applied. However that indeed would be the case in an unbuffered system.

Buffer solutions are relevant in many fields of application in the laboratory industry. However they are also used frequently in the industrial chemistry, especially electroplating, the manufacture of dyes and for analysis.

In the Analytics-Shop we offer you numerous buffer solutions of excellent quality - feel free to seek advice from our expert team. We will be happy to assist you in choosing the right product.

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Buffer Solutions

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  1. pH buffer TPL4 pH buffer TPL4, 1 bottle with 250 ml
    WTW

    pH buffer TPL4 pH buffer TPL4, 1 bottle with 250 ml

    €14.10
    SKU: WW108800
    In Stock
  2. pH buffer TPL7 pH buffer TPL7, 1 bottle with 250 ml
    WTW

    pH buffer TPL7 pH buffer TPL7, 1 bottle with 250 ml

    €14.10
    SKU: WW108802
    In Stock
  3. TPL 10 Trace Technical buffer solution
    WTW

    TPL 10 Trace Technical buffer solution

    €14.10
    SKU: WW108805
    In Stock
  4. Buffer solution pH 6.865 (25°C), With fungicide, according to DIN 19266, Plastic Bottle, 1 L
    Fluka

    Buffer solution pH 6.865 (25°C), With fungicide, according to DIN 19266, Plastic Bottle, 1 L

    €42.50
    SKU: FL33594-1L
    In Stock
  5. Buffer solution pH 4.0 (20 °C), Plastic Bottle, 1 L, With fungicide, citric acid / sodium hydroxide / sodium chloride solution, traceable to SRM from NIST
    Fluka

    Buffer solution pH 4.0 (20 °C), Plastic Bottle, 1 L

    Regular Price: €37.92

    Special Price €11.94

    SKU: FL33643-1L
    In Stock
  6. Buffer solution pH 7.0 (20 °C), Plastic Bottle, 1 L, Potassium dihydrogen phosphate / disodium hydrogen phosphate, traceable to SRM from NIST, with fungicide
    Fluka

    Buffer solution pH 7.0 (20 °C), Plastic Bottle, 1 L

    Regular Price: €37.92

    Special Price €17.18

    SKU: FL33646-1L
    In Stock
  7. Buffer solution pH 10.0 (20°C), Violet colored, borax / sodium hydroxide, Plastic Bottle, 500ML
    Fluka

    Buffer solution pH 10.0 (20°C), Violet colored, borax / sodium hydroxide, Plastic Bottle, 500ML

    €26.89
    SKU: FL33668-500ML
    In Stock
  8. Buffer solution (potassium dihydrogen phosphate/di-sodium hydrogen phosphate), 1 L, traceable to SRM from NIST and PTB pH 7.00 (25°C) CertiPUR
    Merck

    Buffer solution (potassium dihydrogen phosphate/di-sodium hydrogen phosphate), 1 L

    Regular Price: €49.00

    Special Price €46.55

    SKU: MC1094071000
  9. Buffer solution, traceable, 1L, to SRM from NIST and PTB pH 7.00 (20°C) CertiPUR
    Merck

    Buffer solution, traceable, 1L

    Regular Price: €49.00

    Special Price €41.65

    SKU: MC1094391000
    In Stock
  10. Buffer solution pH 4.00 (red),250 ml
    Applichem

    Buffer solution pH 4.00 (red),250 ml

    €25.00
    SKU: AP273617.1211
    In Stock
  11. Buffer Solution pH 7.2 for clinical diagnosis,
    Applichem

    Buffer Solution pH 7.2 for clinical diagnosis,

    €41.80
    SKU: AP252164.1211
  12. Buffer Solution pH 7.00 (20°C),
    Applichem

    Buffer Solution pH 7.00 (20°C),

    €136.60
    SKU: AP272170.1315
    In Stock
  13. Buffer Solution pH 1.00 (20°C), alternative for AP272580.1209
    Applichem

    Buffer Solution pH 1.00 (20°C),

    €45.40
    SKU: AP272580.1211
    In Stock
  14. Buffer Solution pH 5.00 (20°C),
    Applichem

    Buffer Solution pH 5.00 (20°C),

    €33.10
    SKU: AP272582.1211
    In Stock
  15. Buffer Solution pH 10.00 (20°C),
    Applichem

    Buffer Solution pH 10.00 (20°C),

    €11.80
    SKU: AP272584.1209
    In Stock
  16. Buffer Solution pH 13.00 (20°C),
    Applichem

    Buffer Solution pH 13.00 (20°C),

    €44.50
    SKU: AP272587.1211
    In Stock
  17. Buffer Solution pH 7.00 (20°C) (yellow colour),
    Applichem

    Buffer Solution pH 7.00 (20°C) (yellow colour),

    €16.70
    SKU: AP273617.1209
    In Stock
  18. Buffer Solution pH 7.00 (20°C) (yellow colour), alternative for AP273617.1214
    Applichem

    Buffer Solution pH 7.00 (20°C) (yellow colour),

    €145.80
    SKU: AP273617.1315
    In Stock
  19. Buffer Solution pH 3.2,
    Applichem

    Buffer Solution pH 3.2,

    €148.80
    SKU: AP275653.1214
    In Stock
  20. Buffer Solution pH 10 for volumetric analysis, 1L
    Applichem

    Buffer Solution pH 10 for volumetric analysis, 1L

    €34.60
    SKU: AP281730.1211
    In Stock
  21. Pufferlösung pH 7,00, 1 Liter
    IDL GmbH

    Pufferlösung pH 7,00, 1 Liter

    €17.90
    SKU: ID1003170540
    In Stock
  22. Pufferlösung pH 4,01, 1Liter
    IDL GmbH

    Pufferlösung pH 4,01, 1Liter

    €17.90
    SKU: ID1003140540
    In Stock
  23. Pufferlösung pH 7,00 (20°C), 1Liter farblos
    Windaus

    Pufferlösung pH 7,00 (20°C), 1Liter farblos

    €16.04
    SKU: ID610307054
    In Stock
  24. Pufferlösung pH 4,00 (20°C), 1Liter
    Windaus

    Pufferlösung pH 4,00 (20°C), 1Liter

    €16.04
    SKU: ID610304054
    In Stock
  25. Electrode accessories im sachets pH 7,00
    Mettler-Toledo

    Electrode accessories im sachets pH 7,00

    Regular Price: €49.00

    Special Price €46.55

    SKU: MR51302047
  26. Electrode accessories in sachets rainbowpack pH 4,01/7,00/9,21
    Mettler-Toledo

    Electrode accessories in sachets rainbowpack pH 4,01/7,00/9,21

    €49.00
    SKU: MR51302068
    In Stock
  27. Electrode accessories in sachets pH 4,01
    Mettler-Toledo

    Electrode accessories in sachets pH 4,01

    €49.00
    SKU: MR51302069
    In Stock
  28. Electrode accessories in sachets pH 9,21
    Mettler-Toledo

    Electrode accessories in sachets pH 9,21

    €49.00
    SKU: MR51302070
    In Stock
  29. Electrode accessories in sachets pH10,01
    Mettler-Toledo

    Electrode accessories in sachets pH10,01

    €49.00
    SKU: MR51302079
  30. Electrode accessories im sachets rainbowpack pH 4,01/7,00/10,01
    Mettler-Toledo

    Electrode accessories im sachets rainbowpack pH 4,01/7,00/10,01

    Regular Price: €49.10

    Special Price €46.65

    SKU: MR51302080
    In Stock
  31. pH-electrode accessories pH 2,00 (250ml)
    Mettler-Toledo

    pH-electrode accessories pH 2,00 (250ml)

    €17.70
    SKU: MR51350002
  32. pH-electrode accessories pH 4,01 (250ml)
    Mettler-Toledo

    pH-electrode accessories pH 4,01 (250ml)

    €17.70
    SKU: MR51350004
    In Stock
  33. pH-electrode accessories pH 7,00 (250ml)
    Mettler-Toledo

    pH-electrode accessories pH 7,00 (250ml)

    €17.70
    SKU: MR51350006
  34. pH-electrode accessories pH 9,21 (250ml)
    Mettler-Toledo

    pH-electrode accessories pH 9,21 (250ml)

    €17.70
    SKU: MR51350008
  35. pH-electrode accessories pH10,00 (250ml)
    Mettler-Toledo

    pH-electrode accessories pH10,00 (250ml)

    €17.70
    SKU: MR51350010
  36. BUFFER SOLUTION PH PH=4,01 25°C 6x250ML
    Mettler-Toledo

    BUFFER SOLUTION PH PH=4,01 25°C 6x250ML

    €65.10
    SKU: MR51350018
  37. pH-electrode accessories pH4,006 (250ml) NBS and DIN 19266
    Mettler-Toledo

    pH-electrode accessories pH4,006 (250ml) NBS and DIN 19266

    €21.50
    SKU: MR51350052
  38. pH-electrode accessories pH6,865 (250ml) NBS and DIN 19266
    Mettler-Toledo

    pH-electrode accessories pH6,865 (250ml) NBS and DIN 19266

    €21.50
    SKU: MR51350054
    In Stock
  39. pH-electrode accessories pH9,180 (250ml) NBS and DIN 19266
    Mettler-Toledo

    pH-electrode accessories pH9,180 (250ml) NBS and DIN 19266

    €21.50
    SKU: MR51350056
    In Stock
  40. Redox-electrode acc. UH=427mV, pH 7 (250 ml)
    Mettler-Toledo

    Redox-electrode acc. UH=427mV, pH 7 (250 ml)

    €28.90
    SKU: MR51350060
  41. Buffer solution pH 4.00,250 ml
    Applichem

    Buffer solution pH 4.00,250 ml

    €10.10
    SKU: AP272168.1209
    In Stock
  42. Buffer solution pH 4.00,1 L
    Applichem

    Buffer solution pH 4.00,1 L

    €21.50
    SKU: AP272168.1211
    In Stock
  43. Buffer solution pH 4.00,10 L
    Applichem

    Buffer solution pH 4.00,10 L

    €135.80
    SKU: AP272168.1315
    In Stock
  44. Buffer solution pH 7.00,250 ml
    Applichem

    Buffer solution pH 7.00,250 ml

    €10.90
    SKU: AP272170.1209
    In Stock
  45. Buffer solution pH 7.00,1 L
    Applichem

    Buffer solution pH 7.00,1 L

    €22.70
    SKU: AP272170.1211
    In Stock
  46. Buffer solution pH 9.00,1 L
    Applichem

    Buffer solution pH 9.00,1 L

    €22.70
    SKU: AP272172.1211
    In Stock
  47. Buffer solution pH 3.00,1 L
    Applichem

    Buffer solution pH 3.00,1 L

    €28.30
    SKU: AP272537.1211
    In Stock
  48. Buffer solution pH 6.00,1 L
    Applichem

    Buffer solution pH 6.00,1 L

    €28.30
    SKU: AP272549.1211
    In Stock
  49. Buffer solution pH 2.00,1 L
    Applichem

    Buffer solution pH 2.00,1 L

    €27.50
    SKU: AP272581.1211
    In Stock
  50. Buffer solution pH 10.00,1 L
    Applichem

    Buffer solution pH 10.00,1 L

    €21.80
    SKU: AP272584.1211
    In Stock
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Characteristics of the pH

Not only in the laboratory but also in daily life we come across acidic and basic foods, beverages and cosmetics. Apart from largely neutral solutions such as the human saliva, pH values are divided into two areas:

  • Acidosis: denotes a value below the pH value of 7.35. Examples: gastric acid (pH 1.2 to 3.0) & carbon dioxide (pH at about 4.68)
  • Alkalosis: describes a value above pH 4.45. Examples: human blood (pH 7.35 to 7.45) & cosmetic soap (pH between 9 and 10)

Buffer solutions are substances that can avert a drastic change in the pH value after the addition of an acid or base. Suitable buffer solutions are either solutions composed of a weak acid and the alkali metal salt of this acid or mixtures of a weak base and the salt of this base.

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