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Frequently Asked Questions

Gas Chromatography Accessories

What cleaning process is used for Restek’s precleaned copper tubing (cat# 21590 and 21592)?

The supplier of our copper tubing uses a high temperature process to burn off impurities, in compliance with ASTM B-280. Cleanliness of the tubing is verified at Restek by solvent rinsing a sample of the tubing and analyzing the collected solvent by GC.