Calibration method of sulfuric acid standard solution
Through the potential calibration method, the concentration of the sulfuric acid standard solution is determined using the relationship curve between the titration volume and the potential value, which solves the problems of low accuracy and artificial error of the traditional calibration method, and achieves efficient and accurate calibration results.
CN119643782APending Publication Date: 2025-03-18FOSHAN HAITIAN (NANNING) SEASONING FOOD CO LTD +2
0 Cites 0 Cited by
Patent Information
- Application Number
- CN202411709689.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-03-18
AI Technical Summary
Technical Problem
The traditional sulfuric acid standard solution calibration method consumes a lot of reagents, has a long detection time, low accuracy, and has problems of artificial end point judgment errors.
Method used
The potential calibration method is used to titrate sodium carbonate solution and blank reagent, and the potential hop is determined using the relationship curve between the titration volume and the potential value, and the concentration of the sulfuric acid standard solution is calculated.
Benefits of technology
The accuracy of calibration results is improved, errors in manual endpoint determination are avoided, detection time is shortened, and the efficiency of the titration process is improved.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to the field of analytical chemistry, in particular to a calibration method of a sulfuric acid standard solution. The potential calibration method is adopted, in the titration process, the second potential jump point serves as the titration end point recognition standard, the titration volume of the sulfuric acid standard solution corresponding to the second potential jump point serves as the final consumption volume, the calibration result precision is improved, the error problem of end point color judgment through manual calibration is effectively avoided, and the accuracy is high.
Need to check novelty before this filing date? Find Prior Art