A device and method for sample pretreatment of an aldehyde ketone compound absorbing solution

The automated sample pretreatment device for aldehyde and ketone compound absorption solutions solves the problems of cumbersome operation, low efficiency, and health risks in existing technologies, and achieves high-precision and high-efficiency sample processing.

CN121186265BActive Publication Date: 2026-06-19CHINA NAT ENVIRONMENTAL MONITORING CENT
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA NAT ENVIRONMENTAL MONITORING CENT
Filing Date
2025-10-11
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing methods for processing aldehyde and ketone compounds suffer from problems such as cumbersome operation, low efficiency, poor reproducibility, unfriendly to human health, and short sample shelf life.

Method used

An automated sample pretreatment device for aldehyde and ketone compound absorption liquid is adopted, including a container, a multi-channel switching valve and a liquid delivery unit, to realize automated sample processing and analysis. Combined with a gas source and gas purification device, the flow path is kept clean.

Benefits of technology

It achieves high-precision and high-efficiency sample processing, reduces labor costs, and is friendly to human health.

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Abstract

This application relates to an apparatus for pretreatment of aldehyde and ketone compound absorption liquid samples, comprising: a first container for containing an extraction solution; a sample absorption bottle switching module including multiple absorption bottles and a multi-channel switching valve, through which corresponding absorption bottles are selectively connected to a flow path; and a first pipeline connecting the multi-channel switching valve and the first container. This application also relates to a method for pretreatment of aldehyde and ketone compound absorption liquid samples. The apparatus and method provided by this application can automatically process samples with high precision and repeatability; high processing efficiency, greatly reducing labor costs; and the reagents and raw materials are isolated from the human body during sample processing, making it health-friendly.
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