Chromatography Columns, with PTFE Needle Valve Stopcock
Product Code : EL-CC-10048
Quick Answer: The Chromatography Columns, with PTFE Needle Valve Stopcock are borosilicate glass columns with a PTFE needle valve stopcock for fine control of eluent flow and a sintered glass disc of porosity 0.
Last updated: October 2026
Key Features
- Manufactured from borosilicate glass
- PTFE needle valve stopcock for fine control of eluent flow
- Ground glass socket accepts reservoirs
- Chemically resistant sintered glass disc, porosity 0
Technical Specifications
| Specification | Value |
|---|---|
| Material | Borosilicate glass |
| Stopcock | PTFE needle valve |
| Joint | Ground glass socket, accepts reservoirs |
| Sintered disc | Porosity 0 |
About This Product
Chromatography columns are used to separate mixtures by passing them through a packed stationary phase. Here the needle valve sets the eluent flow finely and the socket lets a reservoir be fitted; plain columns and a column with a PTFE stopcock and fritted disc are listed separately. The Chromatography Columns, with PTFE Needle Valve Stopcock is available for supply within India and for export to Mexico, North Macedonia, Slovenia, Ecuador, Bolivia and Equatorial Guinea.
Frequently Asked Questions
Q1. What porosity is the sintered disc in this column?
Porosity 0.
Q2. Can a reservoir be fitted?
Yes. The ground glass socket accepts reservoirs.
Related: Chromatography columns, Column, Chromatography with PTFE Stopcock and Fritted Disc, Chromatographic Columns With Frit and Socket and Chromatography Columns Plain.
For a quotation on the Chromatography Columns, with PTFE Needle Valve Stopcock, contact Laboratory Glassware Ambala.