Extraction Chromatographic Resin
Pb Resin
Pb Resin is a crown ether-impregnated solid phase extraction (SPE) chromatographic resin, specifically designed for the highly selective separation and enrichment of lead (Pb²⁺). It is commonly used for Pb isotope analysis, radioactive Pb (²¹⁰Pb) detection, and Pb/Po, Pb/Sr separation. It is suitable for complex matrices in environmental, geological, nuclear industry, and food fields.
Advantages Summary
Ultra-high Selectivity: Strong specificity for Pb²⁺, with Pb/Ca and Pb/Sr separation factors >1000.
Wide Acid Range for Adsorption: Strong retention in 0.1–10 M HNO₃, flexible sample pretreatment.
Specific Elution: Efficient elution with 6–9 M HCl, complete separation from Sr and Ba.
Strong Matrix Tolerance: Suitable for complex environmental and industrial samples with high salt, high calcium, and high iron content.
Specifications
|
Appearance |
Off-white spherical particles |
|
Particle Size |
100–150 μm (Grade S), 50–100 μm (Grade A) |
|
Bed Density |
~0.33 g/mL |
|
Pb Capacity |
~25 mg Pb/g resin |
|
Operating Temperature |
<30 °C, store in dry and dark conditions |
|
Recommended Flow Rate |
0.6–0.8 mL/min (Grade A) |
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