EMD* PEI Cellulose TLC Plates

PEI Cellulose TLC plates for the analysis of polar substances. An organic sorbent, cellulose is perfect for separating hydrophilic substances by partition chromatography. The special PEI cellulose is polyethylenimine-modified, and acts as a strong basic anion exchanger. Due to these special characteristics it is mainly useful for analysis of substances with exchange-active groups, such as amino acids, peptides and nucleotides or nucleosides.

PEI cellulose plates should be stored cold (0 to 4°C) and dry to reduce deterioration. As plates become old they might get yellow colorations and should be discarded. These cellulose plates include a special fluorescent pigment that is stimulated to intense blue fluorescent reemission at long wave UV light of 366 nm and at short wave UV light of 254 nm.
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Cellulose with Fluorescent Indicator
Plate Size (cm): 20 x 20
Layer Thickness (µm): 70 to 110
Backing: Plastic

PEI Cellulose with Fluorescent Indicator
Plate Size (cm): 20 x 20
Layer Thickness (µm): 80 to 120
Backing: Glass