Chromatographic columns, PTFE- / or Valve Stopcock, borosilicate glass 3.3
Product number:
4008402
Manufacturer:
ISOLAB Laborgeräte GmbH
Packaging information:
Length:
508 mm
Width:
91 mm
Height:
87 mm
Weight:
0.072 kg
Description
Chromatography columns with socket and with frit. Manufactured from borosilicate glass 3.3 which is resistant to heat and almost all chemicals. NS necks are in compliance with DIN 12242 standards.
Properties
| Description: | with frit (P=1) NS 14/23 |
|---|---|
| Int. diam. mm: | 10 |
| Length mm: | 300 |
| Manufacturer Article Number: | 066.11.002 |
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Standard silica 60, pore size ~ 60 Å; pore volume ~ 0.75ml/g; spec. surface BET ~ 500m²/g. highly porous, amorphous silicic acid in the form of hard, opalescent particles, prepared by precipitation of water glass with sulphuric acid. Silica FIA for the fluorescence indicator adsorption procedure for the determination of hydrocarbon groups in the testing of liquid fuels in accordance with DIN 51791 and ASTM D 1319-58T. The FIA method determines saturated hydrocarbons, olefins and aromatic hydrocarbons of a sample chromatographically by adsorption and desorption in a column filled with FIA silica, in the presence of a fluorescent dye mixture. Further silica adsorbentson request.