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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. Fluka

    Buffer solution pH 9.180 (25°C), 1 L

    €44.37
    SKU: FL33595-1L
  2. Fluka

    Buffer pH 4.00, 1 L

    €35.89
    SKU: FL33643-1L
    In Stock
  3. Fluka

    Buffer pH 7.00, 1 L

    €35.89
    SKU: FL33646-1L
    In Stock
  4. Merck

    Buffer solution, traceable, 1L

    €43.50
    SKU: MC1094391000
    In Stock
  5. IDL GmbH

    Pufferlösung pH 7,00, 1 Liter

    €17.90
    SKU: ID1003170540
    In Stock
  6. Windaus

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

    €16.04
    SKU: ID610307054
    In Stock
  7. Mettler-Toledo

    Electrode accessories im sachets pH 7,00

    €44.70
    SKU: MR51302047
  8. Mettler-Toledo

    Electrode accessories in sachets pH 4,01

    €44.70
    SKU: MR51302069
    In Stock
  9. Mettler-Toledo

    Electrode accessories in sachets pH 9,21

    €44.70
    SKU: MR51302070
  10. Applichem

    Buffer solution pH 4.00,1 L

    €20.60
    SKU: AP272168.1211
    In Stock
  11. Applichem

    Buffer solution pH 7.00,1 L

    €21.70
    SKU: AP272170.1211
    In Stock
  12. Applichem

    Buffer solution pH 4.00 (red),1 L

    €23.90
    SKU: AP273616.1211
    In Stock
  13. IDL GmbH

    Buffer solution pH 4.01 bottle of 500ml color code yellow

    €9.29
    SKU: ID1000040240
    In Stock
  14. IDL GmbH

    Buffer solution pH 4.01 bottle of 1000ml color code yellow

    €15.22
    SKU: ID1000040250
    In Stock
  15. IDL GmbH

    Buffer solution pH 7.00 bottle of 500ml color code green

    €9.29
    SKU: ID1000072640
    In Stock
  16. IDL GmbH

    Buffer solution pH 10.00 bottle of 500ml color code blue

    €9.29
    SKU: ID1000103840
    In Stock
  17. Waters

    pH 4 Liter, Reagent, Standards

    €23.18
    SKU: WT129
  18. Waters

    pH 7 Liter, Reagent, Standards

    €23.18
    SKU: WT133
  19. Mettler-Toledo

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

    €16.30
    SKU: MR51350002
  20. Mettler-Toledo

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

    €16.30
    SKU: MR51350004
  21. Mettler-Toledo

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

    €16.30
    SKU: MR51350006
  22. Mettler-Toledo

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

    €16.30
    SKU: MR51350008
  23. Mettler-Toledo

    pH-electrode accessories pH10,00 (250ml)

    €16.30
    SKU: MR51350010
  24. Mettler-Toledo

    pH-electrode accessories pH11,00 (250ml)

    €16.30
    SKU: MR51350012
  25. Mettler-Toledo

    BUFFER SOLUTION PH PH=7,00 25°C 6x250ML

    €59.30
    SKU: MR51350020
  26. Mettler-Toledo

    Redox-electrode acc. UH=468mV, 6x30ml

    €24.20
    SKU: MR51350064
  27. Mettler-Toledo

    pH 4.01 250 mL

    €18.00
    SKU: MR51350032
  28. Mettler-Toledo

    pH 7.00 250 mL

    €18.00
    SKU: MR51350034
  29. Mettler-Toledo

    pH 10.00 250 mL

    €18.00
    SKU: MR51350038
  30. Mettler-Toledo

    Technical Buffer pH 2.00, sachets (30x20ml)

    €71.20
    SKU: MR30111134
  31. Waters

    pH 7 Pint, Reagent, Standards

    €12.88
    SKU: WT131
  32. Waters

    pH 10 Liter, Reagent, Standards

    €23.18
    SKU: WT137
  33. Fluka

    BUFFER SOLUTION PH 2,00, 100 ml

    €20.27
    SKU: FL31045-100ML
  34. Fluka

    Buffer solution pH 6.865 (25°C), 1 L

    €40.23
    SKU: FL33594-1L
  35. WTW

    Pufferlösung techn.pH 10.01 1l

    €36.80
    SKU: WW108703
  36. Applichem

    Buffer solution pH 4.00,10 L

    €123.20
    SKU: AP272168.1315
  37. Applichem

    Buffer solution pH 9.00,1 L

    €21.70
    SKU: AP272172.1211
  38. IDL GmbH

    Buffer solution pH 4.00 bottle of 250 ml

    €7.67
    SKU: ID6100380320
  39. IDL GmbH

    Buffer solution pH 4.00 bottle of 500 ml

    €10.20
    SKU: ID6100386760
  40. IDL GmbH

    Buffer solution pH 9.00, bottle of 500 ml

    €10.20
    SKU: ID6100387180
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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.