Mass Analysis Heating Control for Multi-Substance Separation

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Solution Overview

Problem

Current mass analysis techniques are inefficient in analyzing substances with different gasification temperatures, particularly when phthalates and brominated flame retardants are present together, as they require complex heating patterns and prolonged measurement times, making it difficult to separate and analyze these substances effectively.

Innovation Solution

An apparatus and method that utilize a heating unit to control the temperature and time points for each substance, allowing for separate mass analysis of substances with different gasification temperatures by heating the sample at specific temperature points and time points, ensuring that each substance is analyzed without interference from the other.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a complex heating pattern is used to separate and analyze substances with different gasification temperatures, then measurement precision is improved, but measurement time increases

Engineering Contradiction:

Improveseparation and analysis precisionVSAvoidmeasurement time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-obtaining and storing the optimal heating pattern data (temperature-time coordinates) for separating different substances before actual measurement. The heating control unit retrieves this predetermined pattern and executes it automatically, eliminating the need for complex real-time calculations during measurement while maintaining high separation precision and reducing measurement time.

Inventive Principle:

Principle #10Preliminary action

2Measurement precision

If heating time is extended to separate substances with different gasification temperatures, then measurement precision is improved, but productivity decreases

Engineering Contradiction:

Improvesubstance separation precisionVSAvoidanalysis throughput

Core Design Contradiction:

Measurement precisionVSProductivity

Solution Approach 1:

The system performs preliminary determination of optimal heating patterns through pre-experiments, storing the temperature-time coordinates that achieve best separation results. During actual analysis, these predetermined patterns are automatically retrieved and executed, enabling rapid high-precision separation without time-consuming real-time optimization, thus improving both precision and productivity.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent utilizes parameter changes by varying the heating temperature and time parameters according to the predetermined heating pattern specific to each substance combination. By changing these parameters optimally in advance and applying them systematically, the system achieves high separation precision while maintaining fast analysis speed for improved productivity.

Inventive Principle:

Principle #35Parameter changes

3Productivity

If a simplified heating pattern is used to reduce measurement time, then productivity is improved, but measurement precision deteriorates

Engineering Contradiction:

Improvemeasurement speedVSAvoidsubstance separation accuracy

Core Design Contradiction:

ProductivityVSMeasurement precision

Solution Approach 1:

The patent resolves this contradiction by performing preliminary determination of optimal heating patterns through pre-experiments, storing the precise temperature-time coordinates needed for separation. During actual measurement, these predetermined patterns are automatically retrieved and executed, enabling the system to achieve high separation precision using simple, fast heating protocols rather than complex real-time control, thus improving both productivity and maintaining measurement precision.

Inventive Principle:

Principle #10Preliminary action

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 the rapid and reliable analysis of multiple substances with different gasification temperatures by optimizing the heating pattern, allowing for precise measurement conditions for each substance, thereby improving analysis accuracy and reducing measurement time.

Implementation Method 1

heating a sample containing a first substance and a second substance which gasifies at a higher temperature compared to the first substance to evolve gas components

Methodology Applied

Scientific EffectGasification: Evaporation

Data Source

PatentUS10969319B2Apparatus for and method of mass analysis

Publication Date: 2021.04.06 HITACHI HIGH TECH ANALYSIS CORP

AI summary

The apparatus for mass analysis includes: a heating unit heating a sample containing a first substance and a second substance having different gasification temperatures to evolve gas components; a heating control unit controlling the heating unit to heat the sample at a first temperature point at which gas of the first substance is evolved and gas of the second substance is not evolved, until reaching a first time point, whereafter the heating unit is controlled to heat the sample until reaching a second temperature point at which gas of the second substance is evolved; and an analysis control unit performing mass analysis under a first measurement condition assigned to the first substance until reaching the first time point at the first temperature point, and performing mass analysis under a second measurement condition assigned to the second substance at the second temperature point.