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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. Mettler-Toledo

    Electrode accessories im sachets pH 7,00

    sku: MR-51302047
  2. Mettler-Toledo

    Electrode accessories in sachets pH 4,01

    sku: MR-51302069
  3. Mettler-Toledo

    Electrode accessories in sachets pH 9,21

    sku: MR-51302070
  4. Mettler-Toledo

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

    sku: MR-51350004
  5. Mettler-Toledo

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

    sku: MR-51350006
  6. Mettler-Toledo

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

    sku: MR-51350008
  7. Mettler-Toledo

    pH-electrode accessories pH11,00 (250ml)

    sku: MR-51350012
  8. Mettler-Toledo

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

    sku: MR-51350020
  9. Mettler-Toledo

    Pufferlösung pH 9.21, 6 x 250ml / Pkg

    sku: MR-51350022
  10. Mettler-Toledo

    pH-Electrode acc. pH 10,012 (250ml) NBS and DIN 19266

    sku: MR-51350058
  11. Mettler-Toledo

    Electrode accessories in sachets pH10,01

    sku: MR-51302079
  12. Mettler-Toledo

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

    sku: MR-51350060
  13. Mettler-Toledo

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

    sku: MR-51350064
  14. Mettler-Toledo

    Technical Buffer pH 2.00, sachets (30x20ml)

    sku: MR-30111134
  15. Mettler-Toledo

    Technical Buffer pH 11.00, sachets (30x20ml)

    sku: MR-30111135
  16. Mettler-Toledo

    NIST/DIN Buffer pH 4.006, sachets (30x20ml)

    sku: MR-30111136
  17. Mettler-Toledo

    NIST/DIN Buffer pH 6.856, sachets (30x20ml)

    sku: MR-30111137
  18. Mettler-Toledo

    NIST/DIN Buffer pH 9.180, sachets (30x20ml)

    sku: MR-30111138
  19. Mettler-Toledo

    NIST/DIN Buffer pH 10.012, sachets (30x20ml)x20ml)

    sku: MR-30111139
  20. Mettler-Toledo

    BUFFER SOLUTION PH PH=2,00 25°C 6x250mL

    sku: MR-51350016
  21. Mettler-Toledo

    BUFFER SOLUTION PH PH=11,00 25°C 6x250mL

    sku: MR-51350026
  22. Mettler-Toledo

    BUFFER REDOX UH=427MV 220MV 25°C 250ML

    sku: MR-51350062
  23. Waters

    pH 4 Pint, Reagent, Standards

    sku: WT-127
  24. Waters

    pH 4 Liter, Reagent, Standards

    sku: WT-129
  25. Waters

    pH 7 Pint, Reagent, Standards

    sku: WT-131
  26. Waters

    pH 7 Liter, Reagent, Standards

    sku: WT-133
  27. Waters

    pH 10 Pint, Reagent, Standards

    sku: WT-135
  28. Waters

    pH 10 Liter, Reagent, Standards

    sku: WT-137
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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.