Sample Introduction Systems

Precision, Reliability, and Integrity in Every Injection

Overview

Sample Introduction Systems are critical components of analytical instruments —
ensuring precise, repeatable, and reliable delivery of samples into analyzers.

Their advanced design maintains sample integrity throughout the introduction process,
minimizing risks of contamination, adsorption, or thermal degradation.

Depending on the application, these systems can handle gaseous, liquid, or solid samples,
making them ideal for use across a wide range of industries, including
petrochemicals, environmental analysis, pharmaceuticals, and research laboratories.

JAS Expertise in Sample Introduction

At Joint Analytical Systems (JAS), we specialize in developing
advanced sample introduction solutions for
Gas Chromatography (GC) and related analytical technologies.
Each JAS system is engineered with precision and reliability to deliver
consistent analytical performance.

Key Features

• Inert sample paths for reactive or corrosive compounds
• Accurate temperature control for volatile or thermally sensitive samples
• High-pressure compatibility for on-line and process applications
• Seamless integration with multi-detector configurations (FID, TCD, AED, etc.)
• Low dead-volume design for improved peak sharpness and analytical precision

These features ensure the highest levels of
accuracy, reproducibility, and stability,
even for trace-level or unstable compounds.

System Capabilities

JAS Sample Introduction Systems are available in multiple configurations
to meet diverse analytical needs:

• Gas Sampling Valves (GSV): Precise injection of fixed gas volumes under controlled pressure
• Liquid Sampling Valves (LSV): Ideal for LPGs, condensates, or dissolved liquid streams
• Headspace & Vaporization Systems: For volatile or semi-volatile compounds
• JAS Vaporizer: Enables accurate vapor-phase conversion of liquefied gases
• Heated Transfer Lines & ValveBoxes: Maintain temperature stability and prevent condensation
• Automated Multi-Stream Systems: Continuous operation for process or on-line applications

Advantages

• Unmatched sample transfer precision and system stability
• Fully compatible with Agilent GC platforms
• Customizable for laboratory or process environments
• Minimal carryover using inert materials and optimized flow paths
• Fast, automated switching for multi-stream and multi-phase analysis

Available Modules

• Gas Bag Sampler (GBS): Enables safe and controlled sampling of gaseous streams for offline analysis
• Gas Injection Control Unit (GICU): Provides automated, precise, and repeatable gas injection control into the analytical system

JAS Sample Introduction Systems

Delivering precise, reliable, and contamination-free sample handling —
for every analytical challenge.