Multi-purpose Reagent for Simultaneous Water Analyte Detection
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Solution Overview
Problem
Current methods for monitoring industrial water chemistry in systems like cooling towers require multiple reagents and complex procedures to determine concentrations of multiple analytes such as free chlorine, total chlorine, anionic polymers, and pH, which are costly, unreliable, and difficult to implement in the field.
Innovation Solution
A multi-purpose reagent composition that can simultaneously determine concentrations of free chlorine, pH, and anionic polymers using a single stable reagent composition, including a free chlorine sensitive dye, pH buffer, cationic dye, and organic co-solvent, allowing for reduced reagent usage and simplified analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple separate reagents are used to determine different analytes (free chlorine, total chlorine, anionic polymer, phosphate, pH), then measurement precision and reliability are maintained, but device complexity and cost increase significantly
Solution Approach 1:
The patent combines multiple separate reagent systems into a single multi-purpose reagent composition that can simultaneously determine free chlorine, total chlorine, anionic polymer, phosphate, and pH. This merging eliminates the need for multiple separate reagent bottles, pumps, and delivery systems, thereby reducing device complexity while maintaining measurement reliability through validated colorimetric methods for each analyte
Solution Approach 2:
The reagent composition is designed with universal functionality to perform multiple analytical determinations using a single formulation. The reagent contains multiple colorimetric indicators and reagents that can simultaneously detect different analytes through distinct color changes, allowing one reagent system to replace multiple specialized reagents while maintaining the reliability of each individual measurement
2Measurement precision
If multiple separate reagents and procedures are used for determining multiple analytes, then measurement precision is maintained, but ease of operation deteriorates due to complicated procedures
Solution Approach 1:
The patent merges multiple complex analytical procedures into a single simplified operation. By combining all necessary reagents for determining free chlorine, total chlorine, anionic polymer, phosphate, and pH into one formulation, the method eliminates the need for multiple separate addition steps, timing sequences, and procedural variations, making field analysis straightforward while maintaining precision through validated colorimetric responses
3Loss of information
If multiple reagents are used for determining multiple analytes, then comprehensive analysis is achieved, but loss of substance increases due to multiple reagents and waste generation
Solution Approach 1:
The patent combines multiple reagent systems into a single composition, which means that instead of using and disposing of several separate reagent bottles, the same single reagent can determine all analytes. This eliminates the cumulative waste associated with multiple reagent containers, pumps, and delivery mechanisms, thereby reducing overall substance loss while maintaining complete analytical information for all measured parameters
4Measurement precision
If multiple separate reagents are used for multiple analytes, then measurement precision is maintained, but productivity decreases due to time-consuming procedures
Solution Approach 1:
The patent merges multiple sequential analytical procedures into a single simultaneous determination. By formulating one reagent that can detect all analytes at once, the method eliminates the time required for multiple separate additions, waiting periods, and measurements, thereby significantly increasing analysis throughput and productivity while maintaining the precision of each individual analyte determination through validated colorimetric methods
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
This solution enables cost-effective, reliable, and reproducible simultaneous determination of multiple analytes, reducing the need for multiple reagents and complex procedures, improving instrument reliability and reducing waste generation.
Implementation Method 1
a free chlorine sensitive dye
Implementation Method 2
pH buffering
Implementation Method 3
a cationic dye
Data Source
AI summary
A method using a multi-purpose reagent composition to simultaneously determine concentrations of at least two analytes in a water sample. In one embodiment, the multi-purpose reagent composition used is for simultaneously determining free chlorine concentration and pH and comprises a free chlorine sensitive dye and a pH indicator. In another embodiment, the reagent composition used is for simultaneously determining of free chlorine and anionic polymer and includes a free chlorine sensitive dye, a pH buffer, a cationic dye, and an organic co-solvent. Thus, the pairs of free chlorine and pH or free chlorine and anionic polymer are determined using a single reagent composition. The reagent composition can also be the main reagent for one analyte analysis when it is used alone and also function as an ancillary reagent when it is combined with a second reagent composition for the determination of another analyte.