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Lab Pro BUFFER SOL pH 4 Red 1gal.
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Lab Pro BUFFER SOLUTION pH 4 1pt.

$17.37
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SKU: ZB1628-16.1
California prop 65
Description
  • Chemical Name
    Buffer Solution
  • pH
    4.00
  • Formulation
    Potassium Biphthalate
  • Form
    Solution
  • Packaging
    1 Pint Bottle

Description

What is Lab Pro Buffer Solution pH 4?

Lab Pro Buffer Solution pH 4 is a clear, colorless liquid buffer solution formulated using potassium biphthalate. It is designed to maintain a stable pH value in laboratory and analytical applications where precise pH control is required.

Key Features

  • Buffer solution with pH 4.00
  • Potassium biphthalate formulation
  • Clear, colorless liquid
  • Suitable for laboratory and analytical use
  • Consistent and stable pH performance

Common Applications

  • pH control in laboratory procedures
  • Analytical chemistry applications
  • Calibration and verification workflows

Packaging Details

  • Packaged In: 1 pint bottle
  • Includes: Single unit

Legal & Safety Notice

This product is supplied for laboratory and analytical use. Proper handling, storage, and use in accordance with applicable safety procedures and regulations is the responsibility of the end user.

Standards and Certifications

  • Lab Pro CofA
  • Lab Pro SDS
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Properties

Chemical Name or Material Buffer Solution
IUPAC Name Potassium 2-carboxybenzoate
Synonym Potassium biphthalate
Molecular Formula C₈H₅KO₄
Molecular Weight 204.22 g/mol
Form Solution
Appearance Clear, colorless
pH 3.98–4.02 (at 20 °C)


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FAQs

What is potassium biphthalate buffer pH 4 used for?

Potassium biphthalate buffer pH 4 is used in laboratory and analytical applications that require stable, mildly acidic pH control. It is commonly applied in pH meter calibration, method verification, and analytical procedures where consistent and reproducible pH conditions are essential.

Why is potassium biphthalate used in pH 4 buffers?

Potassium biphthalate is widely used for pH 4 buffers because it provides excellent buffering capacity and stability in the acidic range. Its predictable chemical behavior makes it a reliable reference material for calibration and analytical workflows requiring precise pH control.

Is this buffer solution suitable for pH meter calibration?

Yes, this buffer solution is suitable for calibration and verification of pH meters in the acidic range. Its stable pH performance and clear formulation help ensure accurate electrode response and reliable calibration results in laboratory environments.

Is this buffer solution ready to use?

Yes, this product is supplied as a prepared, ready-to-use liquid buffer. It requires no dilution or preparation, helping reduce variability, save time, and maintain consistency in pH-sensitive laboratory and analytical procedures.

How should buffer solution pH 4 be handled and stored?

Store the buffer solution tightly sealed at ambient laboratory temperatures and protect it from contamination. Use clean glassware or electrodes when dispensing. Handle according to standard laboratory practices and consult the Safety Data Sheet for proper storage and disposal guidance.