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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 1045

Product Image of Buffer solution pH 7.0 (20 °C), Plastic Bottle, 1 L, Potassium dihydrogen phosphate / disodium hydrogen phosphate, traceable to SRM from NIST, with fungicide
Buffer solution pH 7.0 (20 °C), Plastic Bottle, 1 L, Potassium dihydrogen phosphate / disodium hydrogen phosphate, traceable to SRM from NIST, with fungicide
Item number: FL33646-1L
Brand: Fluka

In stock

€25.69 €51.37
Product Image of Buffer solution pH 7.00,1 L
Buffer solution pH 7.00,1 L
Item number: AP272170.1211
Brand: Applichem

In stock

€21.60 €27.00
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

In stock

€58.71 €61.80
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

€58.62 €61.70
Product Image of Buffer solution, traceable, 1L, to SRM from NIST and PTB pH 7.00 (20°C) CertiPUR
Buffer solution, traceable, 1L, to SRM from NIST and PTB pH 7.00 (20°C) CertiPUR
Item number: MC1094391000
Brand: Merck

In stock

€45.22 €64.60
Product Image of Buffer solution pH 10 / 20°C / blue (boric acid, potassium chloride, caustic soda), 250 ml, in Dosing bottle
Buffer solution pH 10 / 20°C / blue (boric acid, potassium chloride, caustic soda), 250 ml, in Dosing bottle
Item number: TLO28539.250DO
Brand: Technolab

In stock

€7.66 €9.57
Product Image of Buffer solution pH 10 / 20°C / blue (boric acid, potassium chloride, caustic soda), 1 L, in Dosing bottle
Buffer solution pH 10 / 20°C / blue (boric acid, potassium chloride, caustic soda), 1 L, in Dosing bottle
Item number: TLO28539.1000do
Brand: Technolab

In stock

€14.52 €18.15
Product Image of Buffer solution pH 6.00, 20°C (citric acid, caustic soda), 1 L, in Dosing bottle
Buffer solution pH 6.00, 20°C (citric acid, caustic soda), 1 L, in Dosing bottle
Item number: TLO28104.1000DO
Brand: Technolab

In stock

€14.52 €18.15
Product Image of Buffer solution pH 10.00 / 20°C (boric acid, potassium chloride, caustic soda), 250 ml, in Dosing bottle
Buffer solution pH 10.00 / 20°C (boric acid, potassium chloride, caustic soda), 250 ml, in Dosing bottle
Item number: TLO21565.250DO
Brand: Technolab

In stock

€7.66 €9.57
Product Image of TPL 10 Trace Technical buffer solution
TPL 10 Trace Technical buffer solution
Item number: WW108805
Brand: WTW

In stock

€17.00
Product Image of pH buffer TPL4 pH buffer TPL4, 1 bottle with 250 ml
pH buffer TPL4 pH buffer TPL4, 1 bottle with 250 ml
Item number: WW108800
Brand: WTW

In stock

€17.00
Product Image of Buffer solution techn.pH 10.01 1l
Buffer solution techn.pH 10.01 1l
Item number: WW108703
Brand: WTW

In stock

€48.00
Product Image of Pufferlösung pH 7,00, 1 Liter
Pufferlösung pH 7,00, 1 Liter
Item number: ID1003170540
Brand: IDL GmbH

In stock

€18.55
Product Image of Pufferlösung pH 4,01, 1Liter
Pufferlösung pH 4,01, 1Liter
Item number: ID1003140540
Brand: IDL GmbH

In stock

€18.55
Product Image of Buffer solution pH 7.00 bottle of 1000ml color code green
Buffer solution pH 7.00 bottle of 1000ml color code green
Item number: ID1000072650
Brand: IDL GmbH

In stock

€19.15
Product Image of Buffer solution pH 7.00 bottle of 500ml color code green
Buffer solution pH 7.00 bottle of 500ml color code green
Item number: ID1000072640
Brand: IDL GmbH

In stock

€11.69
Product Image of Buffer solution pH 7.00 bottle of 250ml color code green
Buffer solution pH 7.00 bottle of 250ml color code green
Item number: ID1000072630
Brand: IDL GmbH

In stock

€6.56
Product Image of Buffer solution pH 4.01 bottle of 1000ml color code yellow
Buffer solution pH 4.01 bottle of 1000ml color code yellow
Item number: ID1000040250
Brand: IDL GmbH

In stock

€19.15
Product Image of Buffer solution pH 4.01 bottle of 500ml color code yellow
Buffer solution pH 4.01 bottle of 500ml color code yellow
Item number: ID1000040240
Brand: IDL GmbH

In stock

€11.69
Product Image of Buffer solution pH 4.01 bottle of 250ml color code yellow
Buffer solution pH 4.01 bottle of 250ml color code yellow
Item number: ID1000040230
Brand: IDL GmbH

In stock

€6.56
Product Image of 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
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
Item number: FL33643-1L
Brand: Fluka

In stock

€56.91
Product Image of Buffer solution pH 4.00 (red),1 L, alternative for AP273616.1214
Buffer solution pH 4.00 (red),1 L, alternative for AP273616.1214
Item number: AP273616.1211
Brand: Applichem

In stock

€31.10
Product Image of Buffer solution pH 4.00,1 L
Buffer solution pH 4.00,1 L
Item number: AP272168.1211
Brand: Applichem

In stock

€26.00
Product Image of pH 7 Pint, Reagent, Standards
pH 7 Pint, Reagent, Standards
Item number: WT131
Brand: Waters

In stock

€32.50
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

€22.60
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

€22.60
Product Image of Electrode accessories in sachets pH 4,01
Electrode accessories in sachets pH 4,01
Item number: MR51302069
Brand: Mettler-Toledo

In stock

€61.70
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

€61.70
Product Image of Buffer solution pH 10.0 (20°C), Violet colored, borax / sodium hydroxide, Plastic Bottle, 6 x 1L
Buffer solution pH 10.0 (20°C), Violet colored, borax / sodium hydroxide, Plastic Bottle, 6 x 1L
Item number: FL33668-6X1L
Brand: Fluka
€116.99 €389.95
Product Image of Buffer solution pH 10.0 (20°C), Borax / sodium hydroxide, Plastic Bottle, 6 x 1L
Buffer solution pH 10.0 (20°C), Borax / sodium hydroxide, Plastic Bottle, 6 x 1L
Item number: FL33649-6x1L
Brand: Fluka
€128.75 €321.88
Product Image of Buffer solution pH 10.0 (20°C), Borax / sodium hydroxide, Plastic Bottle, 1L
Buffer solution pH 10.0 (20°C), Borax / sodium hydroxide, Plastic Bottle, 1L
Item number: FL33649-1L
Brand: Fluka
€47.74 €59.68
Product Image of BUFFER SOLUTION PH 3,00 PLASTIC BOTTLE O, 6 x 1 L
BUFFER SOLUTION PH 3,00 PLASTIC BOTTLE O, 6 x 1 L
Item number: FL31046-6X1L
Brand: Fluka
€78.07 €312.27
Product Image of BUFFER SOLUTION PH 3,00 PLASTIC BOTTLE O, 1 L
BUFFER SOLUTION PH 3,00 PLASTIC BOTTLE O, 1 L
Item number: FL31046-1L
Brand: Fluka
€35.81 €59.68
Product Image of Buffer solution pH 7.00 (20 °C), (phosphate mixture), tracable to NIST, 5 L
Buffer solution pH 7.00 (20 °C), (phosphate mixture), tracable to NIST, 5 L
Item number: BK03086.5400
Brand: Bernd Kraft
€89.60 €128.00
Product Image of Buffer solution pH 4.00 (20 °C), (Citronensäure/Natronlauge/Natriumchlorid), rückführbar auf NIST
Buffer solution pH 4.00 (20 °C), (Citronensäure/Natronlauge/Natriumchlorid), rückführbar auf NIST
Item number: BK03083.5400
Brand: Bernd Kraft
€89.60 €128.00
Product Image of Buffer solution pH 7.00 / 25°C / green (potassium dihydrogen phosphate, di-sodium hydrogen, in Dosing bottle
Buffer solution pH 7.00 / 25°C / green (potassium dihydrogen phosphate, di-sodium hydrogen, in Dosing bottle
Item number: TLO25673.500DO
Brand: Technolab
€11.14 €14.85
Product Image of Buffer solution pH 7.00 / 25°C / green (potassium dihydrogen phosphate, di-sodium hydrogen phosphate), 250 ml, in Dosing bottle
Buffer solution pH 7.00 / 25°C / green (potassium dihydrogen phosphate, di-sodium hydrogen phosphate), 250 ml, in Dosing bottle
Item number: TLO25673.250DO
Brand: Technolab
€6.22 €9.57
Product Image of Buffer solution pH 4.01 / 25°C / yellow (citric acid, caustic soda, hydrochloric acid), 500 ml, in Dosing bottle
Buffer solution pH 4.01 / 25°C / yellow (citric acid, caustic soda, hydrochloric acid), 500 ml, in Dosing bottle
Item number: TLO28001.500DO
Brand: Technolab
€11.14 €14.85
Product Image of Buffer solution pH 4.01 / 25°C / yellow (citric acid, caustic soda, hydrochloric acid), 250 ml, in Dosing bottle
Buffer solution pH 4.01 / 25°C / yellow (citric acid, caustic soda, hydrochloric acid), 250 ml, in Dosing bottle
Item number: TLO28001.250DO
Brand: Technolab
€6.22 €9.57
Product Image of Buffer solution pH 10.00 / 20°C / blue (boric acid, potassium chloride, caustic soda), 500 ml, in Dosing bottle
Buffer solution pH 10.00 / 20°C / blue (boric acid, potassium chloride, caustic soda), 500 ml, in Dosing bottle
Item number: TLO23034.500DO
Brand: Technolab
€11.14 €14.85
Product Image of Buffer solution pH 10.00 / 20°C (boric acid, potassium chloride, caustic soda), 500 ml, in Dosing bottle
Buffer solution pH 10.00 / 20°C (boric acid, potassium chloride, caustic soda), 500 ml, in Dosing bottle
Item number: TLO21565.500DO
Brand: Technolab
€11.88 €14.85
Product Image of Buffer solution pH 10 / 20°C / blue (boric acid, potassium chloride, caustic soda), 500 mL, in Dosing bottle
Buffer solution pH 10 / 20°C / blue (boric acid, potassium chloride, caustic soda), 500 mL, in Dosing bottle
Item number: TLO28539.500DO
Brand: Technolab
€11.88 €14.85
Product Image of Buffer solution pH 12.00, 20°C (di-sodium hydrogen phosphate, sodium hydroxide solution), 1 L, in Dosing bottle
Buffer solution pH 12.00, 20°C (di-sodium hydrogen phosphate, sodium hydroxide solution), 1 L, in Dosing bottle
Item number: TLO27395.1000DO
Brand: Technolab
€17.16 €21.45
Product Image of Buffer solution pH 6.60 / 20°C, 10 L, in Cubitainer
Buffer solution pH 6.60 / 20°C, 10 L, in Cubitainer
Item number: TLO26548.10000CT
Brand: Technolab
€104.28 €130.35
Product Image of Buffer solution pH 6.865 according to DIN 19266 / 25°C / stabilized, 1 L, in Dosing bottle
Buffer solution pH 6.865 according to DIN 19266 / 25°C / stabilized, 1 L, in Dosing bottle
Item number: TLO26432.1000DO
Brand: Technolab
€25.08 €31.35
Product Image of Buffer solution pH 4.01 / 25°C / red (citric acid, caustic soda, hydrochloric acid), 1 L, in Dosing bottle
Buffer solution pH 4.01 / 25°C / red (citric acid, caustic soda, hydrochloric acid), 1 L, in Dosing bottle
Item number: TLO25978.1000DO
Brand: Technolab

In stock

€14.52 €18.15
Product Image of Buffer solution pH 4.01 / 25°C / red (citric acid, caustic soda, hydrochloric acid), 10 L, in Cubitainer
Buffer solution pH 4.01 / 25°C / red (citric acid, caustic soda, hydrochloric acid), 10 L, in Cubitainer
Item number: TLO25978.10000CT
Brand: Technolab
€83.16 €103.95
Product Image of Buffer solution pH 7.00 / 25°C / green (potassium dihydrogen phosphate, di-sodium hydrogen phosphate), 1 L, in Dosing bottle
Buffer solution pH 7.00 / 25°C / green (potassium dihydrogen phosphate, di-sodium hydrogen phosphate), 1 L, in Dosing bottle
Item number: TLO25673.1000DO
Brand: Technolab

In stock

€14.52 €18.15
Product Image of Buffer solution pH 7.00 / 25°C / green (potassium dihydrogen phosphate, di-sodium hydrogen phosphate), 10 L, in Cubitainer
Buffer solution pH 7.00 / 25°C / green (potassium dihydrogen phosphate, di-sodium hydrogen phosphate), 10 L, in Cubitainer
Item number: TLO25673.10000CT
Brand: Technolab
€83.16 €103.95
Product Image of Buffer solution pH 4.65 (25°C) according to DIN 19267 stab., 1 L
Buffer solution pH 4.65 (25°C) according to DIN 19267 stab., 1 L
Item number: TLO25631.1000
Brand: Technolab
€23.76 €29.70

Items 1-50 of 1045

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.