COSMOSIL Index

COSMOSIL PYE

COSMOSIL PYE column is a reversed phase column with 2-(1-pyrenyl) ethyl groups bonded silica packing material. This column utilizes π-π interactions originating from the planar pyrene ring structure to separate structural isomers.

Comparison of π-π Interactions with πNAP

COSMOSIL PYE provides much stronger π-π interactions than πNAP.

pi-pi_interaction

Applications

Sterol

Sterol

Condition
Column Size 4.6 mm I.D.x150 mm Sterol
Flow Rate 1.0 ml/min
Temperature 30°C
Detection UV 210 nm
Sample
  1. Cholesterol
  2. Stigmasteroll
  3. Campesterol
  4. Sitosterol
Phthalonitrile

Phthalonitrile

Condition
Column Size 4.6 mm I.D. x 150 mm Phthalonitrile
Flow Rate 1.0ml/min
Temperature 30°C
Detection UV 254 nm
Sample
  • o-Phthalonitrile (Phthalonitrile) 0.3 µg
  • m-Phthalonitrile (Isophthalonitrile) 3.0 µg
  • p-Phthalonitrile (Terephthalonitrile) 0.15 µg
Tocopherol

Tocopherol

Condition
Column Size 4.6 mm I.D. x 150 mm Tocopherol
Tocopherol list
Flow Rate 1.0ml/min
Temperature 30°C
Detection UV 295 nm
Sample
  • α-Tocopherol 1.0 µg
  • β-Tocopherol 1.0 µg
  • γ-Tocopherol 1.0 µg
  • δ-Tocopherol 1.0 µg

Ordering Information

Analytical Column (Particle Size : 5 µm)
COSMOSIL PYE
Product Name Size Product No.
COSMOSIL 5PYE Guard Column
4.6 mm I.D. x 10 mm 37903-11
10 mm I.D. x 20 mm 38041-71
20 mm I.D. x 20 mm 05867-91
20 mm I.D. x 50 mm 34475-21
COSMOSIL 5PYE Packed Column
1.0 mm I.D. x 150 mm 02851-71
2.0 mm I.D. x 150 mm 38042-61
2.0 mm I.D. x 250 mm 34450-31
4.6 mm I.D. x 150 mm 37837-91
4.6 mm I.D. x 250 mm 37989-11
10 mm I.D. x 250 mm 37996-11
20 mm I.D. x 250 mm 38044-41

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