Product Overview
Supelco PTA-5 Fused Silica GC Column, Unused NOS
The Supelco PTA-5 is a fused silica gas chromatography (GC) column with a 22-meter length, 0.25 mm inner diameter, and 0.5 µm film thickness. Designed for analytical separation of basic compounds, it offers low bleed and high thermal stability up to 320 °C.
Supelco’s name has long been associated with chromatographic excellence in research and industry. This column has been preserved in storage and is now ready to begin its working life in a new laboratory setting.
Product Condition
Unused, new old stock. Column remains clean and intact. Packaging is open box with minor scuffs and blemishes from handling.
Product Overview
Supelco, a trusted Sigma-Aldrich brand, is known worldwide for high-performance chromatography supplies. The PTA-5 column features a bonded poly(5% diphenyl / 95% dimethyl siloxane) phase, providing reliable separation of basic compounds and compatibility with mass spectrometry detection methods.
Key Features
- Length: 22 meters
- Inner Diameter: 0.25 mm
- Film Thickness: 0.5 µm
- Phase: Bonded base-modified poly(5% diphenyl / 95% dimethyl siloxane)
- Polarity: Non-polar
- Thermal Stability: Up to 320 °C
- Low column bleed; MS detection compatible
- Supports solid-phase microextraction (SPME) techniques
Applications
- Pharmaceutical and clinical toxicology studies
- Cosmetics and personal care product analysis
- Environmental monitoring and forensic testing
- Polymer and specialty chemical R&D
- Trace-level screening of amphetamines and related compounds
- Academic and contract research laboratories
Frequently Asked Questions
What is the phase composition of the PTA-5 column?
It uses a bonded base-modified poly(5% diphenyl / 95% dimethyl siloxane) stationary phase, offering non-polar selectivity.
What temperature can this column handle?
The column provides thermal stability up to 320 °C, suitable for a wide range of analytical methods.
Is the column compatible with mass spectrometry?
Yes. It has low bleed characteristics that make it suitable for GC-MS applications.
What condition is this column in?
It is unused, new old stock. The column is clean and intact, with packaging showing minor scuffs from storage.
Can this column be used with SPME?
Yes. The PTA-5 column is compatible with solid-phase microextraction (SPME) techniques.
This listing is for one Supelco PTA-5 GC column in unused, new old stock condition — preserved in storage and ready for its first laboratory use.
