Unlock the Power of Thin Layer Chromatography with Sorbtech TLC Products

Thin layer chromatography (TLC) plates can be one of the most undervalued techniques for isolating and identifying chemical compounds.

Thin Layer Chromatography offers:

  • Quick results and low cost of operation
  • Helps in developing optimal methods
  • Quantitative data with the proper instrumentation
  • Qualitative data for compound identification and purity
  • The ability to monitor the progress of chemical reactions

Benefits of TLC

The chromatographers’ preferred fast-lane method for:

  • Prior to HPLC, extremely quick solvent and gradient optimization
  • Counting the number of significant compounds in a combination
  • Rapid evaluation and observation of both biotransformations and synthetic reactions
  • Selecting the proper solvent system for flash and column chromatography
  • Multiple samples are analyzed simultaneously under the same conditions

Enhanced Quality Control and Extensive Product Portfolio

Strict manufacturing controls are used throughout the creation of the plates. Smooth, homogeneous, consistent, and repeatable TLC layers are found from plate to plate and lot to lot.

Unlock the Power of Thin Layer Chromatography with TLC Plates

Image Credit: Sorbent Technologies, Inc.

Expand the Range of Applications with the Our Comprehensive Portfolio

  • Silica gel, alumina, or bonded phases
  • With or without UV254 indicator
  • Glass, plastic, or aluminum backings
  • In a variety of sizes from 20×20 cm to 2.5×7.5 cm

Sorbtech Rocket – Small-Scale TLC Development Chamber

Sorbtech Rocket - small scale TLC development chamber

Video Credit: Sorbent Technologies, Inc.

TLC Conditioning

Method for Conditioning TLC Plates

A conditioning process is applied to guarantee consistency from plate to plate, lot to lot, and chemist to chemist.

The user can prevent having to retest their sample or risk the compound decomposing by preparing and conditioning the plates. Take these fast and simple steps:

  1. Always use either methanol or methanol/chloroform to pre-wash the TLC plate. The plate should be left in a vent hood overnight
  2. Use the sample’s preferred solvent system to extract the prewashing, letting it rise to the top of the plate. Once again, leave overnight in a vent hood
  3. After that, dry for at least an hour at 110 °C in a vacuum oven. Let the plate cool in the vacuum oven until it reaches room temperature. Place plates in a desiccator if not being used right away to preserve

Cutting TLC Plates

TLC Plate Cutting Procedures

Cutting TLC plates allows users to run any size sample they choose. Users can save money, use less solvent, and personalize their plate sizes by buying a big box of TLC plates and cutting them to the required dimensions.

Introduction to TLC Plate cutting

Video Credit: Sorbent Technologies, Inc.

Cutting Plastic or Aluminum Backed TLC Plates

  1. Before starting to cut, keep plates as dry as possible
  2. Cut at a 45-degree angle while leaning outside with sharp scissors. If the user is right-handed, for example, tilt the scissors to the right
  3. Tilt scissors to the right rather than to the left. Tilting to the left results in flaking, but tilting to the right results in a sharp edge rather than a jagged edge

Cutting Glass-Backed TLC Plates

Sorbtech TLC plate cutter (Cat#TLC-CUTTER) for a flawless cut every time with no coating loss and no waste.


Thin Layer Chromatography (TLC) and TLC Plates: An Introduction, Methodology, and Varied Applications

Thin Layer Chromatography (TLC) is an analytical chemistry separation method that is quick and flexible. This article presents an overview of TLC’s ideas, techniques, and many applications, with a focus on TLC plates as critical components. The article goes into TLC’s function in qualitative and quantitative analysis across many domains, demonstrating its effectiveness and depth of use.

  1. Introduction: TLC is a fundamental separation method that is commonly used in labs for the study and identification of complicated mixtures. This article introduces TLC and delves into the role of TLC plates, describing their design, preparation, and uses in a variety of scientific fields.
  2. Principles of Thin Layer Chromatography: TLC is based on partition chromatography principles, in which compounds in a sample are separated based on their affinities for the stationary and mobile phases. The stationary phase is an adsorbent-coated TLC plate, whereas the mobile phase transports the sample components across the plate. Since multiple compounds interact with the stationary phase, they move at different speeds, resulting in separation.
  3. TLC Plates: Composition and Types: TLC plates are made of a support made of glass, metal, or plastic and a thin layer of adsorbent material. The two most often utilized adsorbents are silica gel and alumina. By putting the adsorbent slurry on the support and letting it harden, plates can be pre-coated or made in-house. There are several TLC plate varieties available, each with unique separation properties suitable to certain purposes.
  4. Methodology: The sample is spotted at a specific area on the TLC plate, and it is then placed in a solvent-filled container to allow the mobile phase to ascend the plate by capillary action. Compounds in the sample are transported up the plate as the mobile phase moves. By making the separated patches visible using visualization methods like UV light or chemical staining, compounds can be identified.
  5. Applications of TLC:
    • Qualitative Analysis: TLC is frequently used to determine whether a mixture contains a certain component. For qualitative investigation, the distinctive movement of compounds on TLC plates acts as a fingerprint.
    • Quantitative Analysis: Utilizing standard solutions with known concentrations as a reference point, TLC can be used to make quantitative findings. TLC offers a speedy and affordable option, although not being as exact as other quantitative approaches.
    • Pharmaceuticals and Drug Analysis: TLC is essential for pharmaceutical quality control since it makes it possible to identify and measure contaminants and active medicinal components. It is also used in forensic analysis to locate illegal drugs.
    • Food and Beverage Industry: TLC helps in the identification of pollutants, adulterants, and additions in food and drink. It is a crucial instrument for guaranteeing the quality and safety of products.
    • Environmental Monitoring: To evaluate the health of ecosystems, TLC is used to examine environmental samples for contaminants such as pollution, insecticides, and other toxins.
    • Plant and Natural Product Chemistry: To promote studies in phytochemistry and herbal medicine, TLC is used to examine plant extracts and natural products for chemical identification and quantification.
  6. Future Directions and Advances: The creation of novel adsorbents, altered stationary phases, and improved visualization techniques are all examples of TLC advancements. The chemical identification capabilities of TLC are further enhanced by hyphenation with spectroscopic techniques.
  7. Conclusion: With its ease of use, speed, and adaptability, thin-layer chromatography remains a crucial analytical technique in a variety of scientific disciplines. TLC plates and the underlying methodology offer qualitative and quantitative evaluations, making it a crucial tool for researchers and analysts looking for effective compound characterization and separation solutions.

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