Inorganic SPE

Agilent Bond Elut Florisil and Alumina

Agilent Bond Elut solid phase extraction (SPE) sorbents have been trusted by analytical chemists for over 30 years for their precision, reproducibility, and application versatility. Both Florisil and Alumina sorbents are highly polar, making them valuable tools for sample cleanup and purification in environmental, food safety, and analytical chemistry workflows.

Bond Elut Florisil

  • Pesticide Residue (PR) grade for environmental sample preparation
  • Ideal for cleanup of polar interferences from nonpolar matrices
  • Cost-effective alternative to silica for large-volume extractions

Bond Elut Florisil is a magnesia-loaded silica gel sorbent known for its high polarity and strong affinity for polar compounds. It efficiently removes polar contaminants from nonpolar matrices, making it particularly suitable for pesticide residue cleanup and sample preparation in environmental testing.

The larger particle size of Florisil promotes faster flow rates during extraction, even with viscous sample matrices. This makes it an excellent, economical option for large-scale or high-throughput cleanup applications.

Bond Elut Alumina

  • Available in acidic (A), basic (B), and neutral (N) forms
  • High extraction efficiency, even at small bed masses
  • Superior stability under high pH compared to unfunctionalized silica

Bond Elut Alumina offers a robust polar sorbent with enhanced chemical stability at elevated pH levels. Like silica, it effectively adsorbs polar analytes, but its surface properties make it less susceptible to degradation under basic conditions, ensuring reliable performance over a wide pH range.

The fine particle size of Bond Elut Alumina cartridges provides high surface area and extraction efficiency, allowing for efficient cleanup and concentration of polar analytes from complex matrices. The availability of multiple surface chemistries (A, B, N) offers analytical flexibility for method development and optimization.

Frequently Asked Questions

What is the main application of Bond Elut Florisil?

Bond Elut Florisil is primarily used for pesticide residue cleanup and removal of polar interferences from nonpolar samples, especially in environmental and food testing laboratories.

What are the differences between acidic, basic, and neutral alumina?

Acidic alumina targets basic analytes, basic alumina targets acidic compounds, and neutral alumina provides general-purpose polarity-based separations, offering flexibility across diverse applications.

When should I use Florisil instead of Alumina?

Choose Florisil when working with large sample volumes or highly viscous nonpolar matrices requiring rapid flow and cleanup. Use Alumina for applications needing greater selectivity and high-pH stability.