401400 Identification of different polystyrene fractions with M= 10 300 to M = 1 800 000

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Identification of different polystyrene fractions with M= 10 300 to M = 1 800 000

Summary

Type: TLC
Application #: 401400
Catalog#: 1624126 - Silica G TLC Plates, w/UV254, polyester backed, 200um, 20x20cm, 25/pk
Detection: fluorescence quenching l = 265 nm or spray with 10% perchloric acid and heat 30 min to 80 °C: dark zones on light background ( l = 400 nm) Separation of fractions PS-3 and PS-5 with dioxane/methanol
Conditions: Eluent: dioxane / methanol (71.4:28.6, v/v) or gradient acetone / isopropanol (96:4, v/v) to acetone / isopropanol / chloroform (66:4:30, v/v)
Authors: Otocka EP
Source: Macromolecules 3 (1970) 691


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