Description
Specifications Table
Product Name – Silica Gel GF 254 (for TLC; contains CaSO4) LR
Quantity/Pack Size – 500 g
Form – Powder
Grade – LR (Laboratory Reagent)
Application – Thin-Layer Chromatography (TLC)
Product Overview
Silica Gel GF 254 is a specialized adsorbent designed for thin-layer chromatography (TLC) applications, incorporating calcium sulfate (CaSO4) as a binder to enhance layer stability. The 254 nm fluorescent indicator embedded in the silica gel allows for UV visualization of separated compounds, making it ideal for qualitative and semi-quantitative analyses. This LR-grade material ensures consistent particle size distribution, which is critical for achieving uniform layer formation and reproducible separation results. The silica gel’s high surface area and porosity provide excellent resolution for a wide range of organic and inorganic substances. Its chemical inertness and thermal stability further contribute to its reliability in laboratory settings. Whether used for routine TLC analyses or more demanding separations, this product delivers high performance with minimal background interference under UV light. The inclusion of CaSO4 not only improves layer adhesion but also maintains the integrity of the stationary phase during development. For researchers and analysts seeking dependable TLC media, this silica gel offers a balance of efficiency, clarity, and ease of use.
FAQs
1. What is the role of CaSO4 in Silica Gel GF 254?
CaSO4 acts as a binder to improve the mechanical strength of the TLC layer, preventing cracking or flaking during handling and development.
2. Can this silica gel be used for preparative TLC?
While primarily designed for analytical TLC, it can be adapted for small-scale preparative work, though thicker layers or specialized preparative plates may be more efficient.
3. How should this product be stored to maintain its performance?
Store in a tightly sealed container at room temperature, away from moisture and direct sunlight, to preserve its adsorbent properties and fluorescent indicator.
4. Is this silica gel compatible with all TLC solvents?
It is compatible with most common TLC solvents, but highly polar or acidic solvents may require pre-treatment or alternative stationary phases for optimal results.
5. What alternatives exist if fluorescence detection is not required?
Non-fluorescent silica gel grades like Silica Gel G or H can be used, though they lack the UV visualization capability of GF 254.
