Pressurized Gas Sample Transfer for Remote Liquid ICP Analysis
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Solution Overview
Problem
Current sample introduction systems for Inductively Coupled Plasma (ICP) spectrometry face challenges in efficiently transporting and analyzing liquid samples over long distances, as they often require manual handling and are not designed for remote or continuous sampling, leading to inefficiencies and potential sample degradation.
Innovation Solution
A system comprising remote sampling systems and analysis systems connected by a sample transfer line with a pressurized gas supply, allowing for the continuous transportation and preparation of liquid samples over long distances, including dilution and pre-concentration, to ensure reliable analysis of trace elements and isotope ratios.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual sample handling is used in current sample introduction systems, then the system complexity is reduced, but the sampling efficiency and sample integrity deteriorate due to manual handling requirements and inability to perform continuous sampling
Solution Approach 1:
The system enables automated self-service sampling where the remote sampling system autonomously collects, prepares, and transports samples through the transfer line to the analysis system without requiring manual intervention at each stage, thereby improving productivity while managing complexity through integration
Solution Approach 2:
A sample transfer line acts as an intermediary mechanism connecting the remote sampling system to the analysis system, enabling continuous automated sample transport over distances while maintaining sample integrity and eliminating the need for manual sample handling between systems
2Adaptability or versatility
If samples are transported over long distances using current systems, then remote analysis capability is improved, but sample degradation occurs due to lack of continuous flow and proper preservation during transport
Solution Approach 1:
The system maintains continuous sample flow through the transfer line using pressurized gas propulsion, ensuring that samples remain in constant motion from collection to analysis without stagnation, thereby preventing degradation and maintaining integrity over long transport distances
Solution Approach 2:
Pressurized inert gas is used to propel samples through the transfer line, creating an inert atmosphere that prevents oxidation and chemical reactions during transport, thus preserving sample integrity while enabling remote analysis capability
3Extent of automation
If continuous liquid sample transport is implemented, then sampling automation and efficiency are improved, but the requirement for pressurized gas supply and transfer line infrastructure increases system complexity
Solution Approach 1:
The system uses pressurized gas (pneumatic) propulsion to transport liquid samples through the transfer line, enabling automated continuous sampling and transport. The gas pressure system is integrated with the sampling and analysis components, automating the transport function while managing infrastructure complexity through unified system design
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient, remote, and continuous analysis of liquid samples across various distances, improving the accuracy and reliability of trace element determination by maintaining sample integrity and automating the sampling process.
Implementation Method 1
A pressurized gas supply can be used to transport liquid sample of sufficient volume for the analysis from the second location to the first location
Data Source
AI summary
A system includes an analysis system at a first location and one or more remote sampling systems at a second location remote from the first location. A sampling system can be configured to receive a remote liquid sample. The system also includes a sample transfer line configured to transport gas from the second location to the first location. The sample transfer line is configured to selectively couple with a remote sampling for supplying a continuous liquid sample segment to the sample transfer line. The system can further include a sample receiving line at the first location. The sample receiving line is configured to selectively couple with the sample transfer line and the analysis system to receive the continuous liquid sample segment and supply the sample to an analysis device.