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Buffer Solutions

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.

Items 1-50 of 69

Product Image of pH 7 Pint, Reagent, Standards
pH 7 Pint, Reagent, Standards
Item number: WT131
Brand: Waters
$49.00
Product Image of Technical buffer pH 7.00 (250 ml)
Technical buffer pH 7.00 (250 ml)
Item number: MR51350006
Brand: Mettler-Toledo

In stock

$30.19
Product Image of Technical buffer pH 4.01 (250 ml)
Technical buffer pH 4.01 (250 ml)
Item number: MR51350004
Brand: Mettler-Toledo

In stock

$30.19
Product Image of Electrode accessories in sachets pH 4,01
Electrode accessories in sachets pH 4,01
Item number: MR51302069
Brand: Mettler-Toledo
$82.42
Product Image of Electrode accessories in sachets rainbowpack pH 4,01/7,00/9,21
Electrode accessories in sachets rainbowpack pH 4,01/7,00/9,21
Item number: MR51302068
Brand: Mettler-Toledo

In stock

$82.42
Product Image of Electrode accessories im sachets pH 7,00
Electrode accessories im sachets pH 7,00
Item number: MR51302047
Brand: Mettler-Toledo

In stock

$82.42
Product Image of CX-1 pH Gradient Buffer A, pH 5.6, 1 L
CX-1 pH Gradient Buffer A, pH 5.6, 1 L
Item number: TF303274
Brand: Thermo Fisher Scientific
$956.40
Product Image of CX-1 pH Gradient Buffer B, pH 10,2, 1 L
CX-1 pH Gradient Buffer B, pH 10,2, 1 L
Item number: TF303275
Brand: Thermo Fisher Scientific
$956.40
Product Image of CX-1 pH Gradient Buffer B, pH 10.2, 500 ml
CX-1 pH Gradient Buffer B, pH 10.2, 500 ml
Item number: TF302780
Brand: Thermo Fisher Scientific
$530.72
Product Image of CX-1 pH Gradient Buffer A, pH 5.6, 500 ml
CX-1 pH Gradient Buffer A, pH 5.6, 500 ml
Item number: TF302779
Brand: Thermo Fisher Scientific
$530.72
Product Image of CX-1 pH Gradient Buffer A, pH 5.6, 250 ml
CX-1 pH Gradient Buffer A, pH 5.6, 250 ml
Item number: TF085346
Brand: Thermo Fisher Scientific
$310.24
Product Image of CX-1 pH Gradient Buffer B, pH 10.2, 250 ml
CX-1 pH Gradient Buffer B, pH 10.2, 250 ml
Item number: TF085348
Brand: Thermo Fisher Scientific
$310.24
Product Image of Buffer Solution, coloured, pH 10.01, Plastic Bottle, Type LC 1004 K, 250 ml
Buffer Solution, coloured, pH 10.01, Plastic Bottle, Type LC 1004 K, 250 ml
Item number: SI285139218
Brand: SI Analytics
$41.63
Product Image of Buffer Solution, coloured, pH 7, Plastic Bottle, Type LC 7004 K, 250 ml
Buffer Solution, coloured, pH 7, Plastic Bottle, Type LC 7004 K, 250 ml
Item number: SI285139189
Brand: SI Analytics
$41.63
Product Image of Buffer Solution, coloured, pH 4.01, Plastic Bottle, Type LC 4004 K, 250 ml
Buffer Solution, coloured, pH 4.01, Plastic Bottle, Type LC 4004 K, 250 ml
Item number: SI285139156
Brand: SI Analytics
$41.63
Product Image of pH 10 Liter, Reagent, Standards
pH 10 Liter, Reagent, Standards
Item number: WT137
Brand: Waters
$49.00
Product Image of pH 10 Pint, Reagent, Standards
pH 10 Pint, Reagent, Standards
Item number: WT135
Brand: Waters
$49.00
Product Image of pH 7 Liter, Reagent, Standards
pH 7 Liter, Reagent, Standards
Item number: WT133
Brand: Waters
$49.00
Product Image of pH 4 Liter, Reagent, Standards
pH 4 Liter, Reagent, Standards
Item number: WT129
Brand: Waters
$49.00
Product Image of pH 4 Pint, Reagent, Standards
pH 4 Pint, Reagent, Standards
Item number: WT127
Brand: Waters
$49.00
Product Image of Buffer Solution in FIOLAX Ampoules L 4799, pH = 9.18
Buffer Solution in FIOLAX Ampoules L 4799, pH = 9.18
Item number: SI285138262
Brand: SI Analytics
$280.00
Product Image of Buffer Solution in FIOLAX Ampoules L 4796, pH = 6.87
Buffer Solution in FIOLAX Ampoules L 4796, pH = 6.87
Item number: SI285138254
Brand: SI Analytics
$280.00
Product Image of Buffer Solution in FIOLAX Ampoules L 4794, pH = 4.01
Buffer Solution in FIOLAX Ampoules L 4794, pH = 4.01
Item number: SI285138246
Brand: SI Analytics
$280.00
Product Image of Buffer Solution in FIOLAX Ampoules L 4697, pH = 7.00
Buffer Solution in FIOLAX Ampoules L 4697, pH = 7.00
Item number: SI285138221
Brand: SI Analytics
$222.50
Product Image of Buffer Solution in FIOLAX Ampoules L 4694, pH = 4.00
Buffer Solution in FIOLAX Ampoules L 4694, pH = 4.00
Item number: SI285138213
Brand: SI Analytics
$222.50
Product Image of Buffer Solution in a Bottle L 9184 250 ml DURAN Bottle, pH = 9.18
Buffer Solution in a Bottle L 9184 250 ml DURAN Bottle, pH = 9.18
Item number: SI285138024
Brand: SI Analytics
$93.75
Product Image of Buffer Solution in a Bottle L 6874 250 ml DURAN Bottle, pH = 6.87
Buffer Solution in a Bottle L 6874 250 ml DURAN Bottle, pH = 6.87
Item number: SI285138016
Brand: SI Analytics
$93.75
Product Image of Buffer Solution in a Bottle L 4014 250 ml DURAN Bottle, pH = 4.01
Buffer Solution in a Bottle L 4014 250 ml DURAN Bottle, pH = 4.01
Item number: SI285138008
Brand: SI Analytics
$93.75
Product Image of Redox-electrode acc. UH=468mV, 6x30ml
Redox-electrode acc. UH=468mV, 6x30ml
Item number: MR51350064
Brand: Mettler-Toledo
$45.56
Product Image of Redox-electrode acc. UH=427mV, pH 7 (250 ml)
Redox-electrode acc. UH=427mV, pH 7 (250 ml)
Item number: MR51350060
Brand: Mettler-Toledo
$48.76
Product Image of pH-Electrode acc. pH 10,012 (250ml) NBS and DIN 19266
pH-Electrode acc. pH 10,012 (250ml) NBS and DIN 19266
Item number: MR51350058
Brand: Mettler-Toledo
$38.74
Product Image of pH-electrode accessories pH9,180 (250ml) NBS and DIN 19266
pH-electrode accessories pH9,180 (250ml) NBS and DIN 19266
Item number: MR51350056
Brand: Mettler-Toledo
$36.47
Product Image of pH-electrode accessories pH6,865 (250ml) NBS and DIN 19266
pH-electrode accessories pH6,865 (250ml) NBS and DIN 19266
Item number: MR51350054
Brand: Mettler-Toledo

In stock

$36.47
Product Image of pH-electrode accessories pH4,006 (250ml) NBS and DIN 19266
pH-electrode accessories pH4,006 (250ml) NBS and DIN 19266
Item number: MR51350052
Brand: Mettler-Toledo
$36.47
Product Image of Buffer solution pH 9.21, 6 x 250ml / pack
Buffer solution pH 9.21, 6 x 250ml / pack
Item number: MR51350022
Brand: Mettler-Toledo
$109.53
Product Image of BUFFER SOLUTION PH PH=7,00 25°C 6x250ML
BUFFER SOLUTION PH PH=7,00 25°C 6x250ML
Item number: MR51350020
Brand: Mettler-Toledo
$109.53
Product Image of pH-electrode accessories pH11,00 (250ml)
pH-electrode accessories pH11,00 (250ml)
Item number: MR51350012
Brand: Mettler-Toledo
$30.19
Product Image of Technical buffer pH 10.00, 250 mL
Technical buffer pH 10.00, 250 mL
Item number: MR51350010
Brand: Mettler-Toledo
$30.19
Product Image of pH-electrode accessories pH 9,21 (250ml)
pH-electrode accessories pH 9,21 (250ml)
Item number: MR51350008
Brand: Mettler-Toledo
$30.19
Product Image of Electrode accessories im sachets rainbowpack pH 4,01/7,00/10,01
Electrode accessories im sachets rainbowpack pH 4,01/7,00/10,01
Item number: MR51302080
Brand: Mettler-Toledo
$82.55
Product Image of Electrode accessories in sachets pH10,01
Electrode accessories in sachets pH10,01
Item number: MR51302079
Brand: Mettler-Toledo
$82.42
Product Image of Electrode accessories in sachets pH 9,21
Electrode accessories in sachets pH 9,21
Item number: MR51302070
Brand: Mettler-Toledo
$82.42
Product Image of seaFAST S-Series Buffer solution, 1 L
seaFAST S-Series Buffer solution, 1 L
Item number: PEN8145472
Brand: PerkinElmer
$1,050.00
Product Image of Buffer Solution pH = 4,00 / 7,00. sterilized, in FIOLAX®Ampoules, Type L 4895/Set, 1 Set
Buffer Solution pH = 4,00 / 7,00. sterilized, in FIOLAX®Ampoules, Type L 4895/Set, 1 Set
Item number: SI285138632
Brand: SI Analytics
$85.00
Product Image of Buffer Solution, DIN-Buffer Solution pH = 1.68 / 6,87 / 9,18, sterilized, Manufact.Cert., 3 x 20 Filofax Ampoules, Type L 4797
Buffer Solution, DIN-Buffer Solution pH = 1.68 / 6,87 / 9,18, sterilized, Manufact.Cert., 3 x 20 Filofax Ampoules, Type L 4797
Item number: SI285137985
Brand: SI Analytics
$280.00
Product Image of Buffer Solution, DIN-Buffer Solution pH = 1.68, sterilized, with Manufacturer Certificate, 60 Filofax Ampoules, Type L 4791
Buffer Solution, DIN-Buffer Solution pH = 1.68, sterilized, with Manufacturer Certificate, 60 Filofax Ampoules, Type L 4791
Item number: SI285137977
Brand: SI Analytics
$280.00
Product Image of Buffer Solution, DIN-Buffer Solution pH = 1.68, sterilized, with Manufacturer Certificate, Glass Bottle, 1 L, Type L 168
Buffer Solution, DIN-Buffer Solution pH = 1.68, sterilized, with Manufacturer Certificate, Glass Bottle, 1 L, Type L 168
Item number: SI285137841
Brand: SI Analytics
$130.00
Product Image of Buffer Solution, DIN-Buffer Solution pH = 1.68, sterilized, with Manufact.Cert., Glass Bottle, 250 ml, Type L 1684
Buffer Solution, DIN-Buffer Solution pH = 1.68, sterilized, with Manufact.Cert., Glass Bottle, 250 ml, Type L 1684
Item number: SI285137677
Brand: SI Analytics
$93.75
Product Image of Buffer Solution pH 4, in Can, Type LR 40020, 20 L
Buffer Solution pH 4, in Can, Type LR 40020, 20 L
Item number: SI285096006
Brand: SI Analytics
$588.75
Product Image of Buffer Solution in a Bottle L 700, 1000 ml DURAN Glass Bottle, pH = 7,00
Buffer Solution in a Bottle L 700, 1000 ml DURAN Glass Bottle, pH = 7,00
Item number: SI285138735
Brand: SI Analytics
$75.00

Items 1-50 of 69

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.