HJ 57-2017 Translated English of Chinese Standard. HJ57-2017: Stationary source emission - Determination of sulfur dioxide - Fixed potential by electrolysis methodThis standard specifies the fixed potential electrolysis method for the determination of sulfur dioxide in stationary source emission. This standard applies to the determination of sulfur dioxide in stationary source emission. |
Contents
Foreword | 3 |
Scope | 5 |
Principle of method | 7 |
Reagents and materials | 8 |
Sampling and determination | 9 |
Calculation and representation of results | 10 |
Precision and accuracy | 11 |
Quality assurance and quality control | 12 |
Precautions | 13 |
Appendix A Informative Carbon monoxide interference test Dynamic aeration matrix test method | 15 |
Appendix B Informative Instrument performance review results before and after measurement | 22 |
Common terms and phrases
Calculation calibration error calibration span carbon monoxide analyzer carbon monoxide example carbon monoxide standard carbon monoxide’s interference Concentration error concentration level concentration of carbon Concentration of SO2 concentration of sulfur Determination of sulfur dioxide in stationary dioxide standard gas dioxide’s directly led Environmental Monitoring Center error of SO2 exceed exhaust gas fixed potential electrolysis flowmeter gas as directly gas under standard highest concentration interference test results level of sulfur mass concentration mass flow meter matrix point maximum concentration measured value measurement component measurement result minutes data mixed gas volume Monitoring Center Station monoxide standard gas monoxide’s interference test Passed Not passed Passed Passed Passed relative error relative standard deviations requirements of 7.1.2 results of carbon sampling flow rate sampling tube SO2 mixed gas standard conditions stationary source emission sulfur dioxide analyzer sulfur dioxide concentration sulfur dioxide sensor sulfur dioxide standard system bias Test concentration volume of nitrogen zero gas