Whatman® Grade 31ET Chr cellulose chromatography papers

Whatman® Grade 31ET Chr Cellulose Chromatography Paper is a specialized product designed for applications requiring fast flow rates, efficient wicking, and uniform capillary action. Produced from pure cellulose derived from high-quality cotton linters, this paper is additive-free, making it ideal for sensitive chromatographic techniques and biochemical applications.

Key Features

1. Fast Flow Rate:
   • Flow rate of 225 mm/30 minutes, the highest among Whatman chromatography papers.
   • Ensures rapid and efficient separation, making it ideal for time-sensitive procedures.
2. Thick, Soft Surface:
   • Thickness: 0.50 mm, providing durability and robustness for electrophoretic and chromatographic applications.
   • Soft surface allows for efficient absorption and uniform migration of molecules.
3. High-Quality Composition:
   • Made from 100% pure cellulose from cotton linters.
   • Free from additives, ensuring minimal interference with experimental results.
4. Versatility:
   • Suitable for electrophoresis of large molecules such as proteins and nucleic acids.
   • Widely used in blotting applications for protein and nucleic acid analysis.
5. Reliable Capillary Action:
   • Tested and manufactured to provide consistent wicking capability and uniform capillary action, critical for reproducible chromatographic results.

Applications

1. Electrophoresis:
   • Ideal for large molecule separation, including proteins and nucleic acids.
   • Thick paper minimizes tearing during handling.
2. Chromatography:
   • Supports chemical separations requiring high flow rates and efficient capillary action.
   • Suitable for solvent and reagent separations in analytical and preparative work.
3. Blotting:
   • Effective for protein and nucleic acid transfer in Western, Southern, and Northern blotting.
4. General Laboratory Use:
   • Capable of handling various biochemical and analytical workflows requiring fast, uniform sample migration.

Technical Specifications

Product Formats and Availability

Comparisons Within Whatman Range

Advantages

1. Speed:
   • The highest flow rate in the Whatman line accelerates separations, saving valuable lab time.
2. Durability:
   • Thick paper ensures structural integrity during handling and processing.
3. Versatility:
   • Suitable for multiple techniques, including chromatography, electrophoresis, and blotting.
4. Consistency:
   • Manufactured under strict quality controls to ensure reproducibility.

Storage and Handling

• Store in a cool, dry place to prevent moisture absorption, which could impact performance.
• Avoid exposure to direct sunlight or chemicals that may degrade the cellulose structure.

Use Cases

1. Electrophoresis of Proteins:
   • Facilitates efficient migration of large molecules without impedance.
2. High-Throughput Chromatography:
   • Ideal for labs requiring fast sample separations with minimal delays.
3. Nucleic Acid Blotting:
   • Reliable transfer of DNA or RNA for analysis in hybridization experiments.

Whatman® Grade 31ET Chr is an excellent choice for laboratories needing fast, efficient, and reliable separation tools, particularly in applications requiring robust electrophoresis or blotting techniques. Its combination of high flow rate, thickness, and versatility makes it a preferred option in the Whatman chromatography paper range.