安徽农业科学2017，Vol.45Issue(34)：50-52,83,4.
2种快速测定仪和实验室国标法测定沼液中氨氮浓度的对照分析
Comparison of Two Rapid Determination Instrument and Laboratorial National Standard Method to Determine Ammonia-nitrogen Concentration in Biogas Slurry
摘要
Abstract
[Objective] To promote the commercialization circulation of biogas slurry and realize the rapid determination of ammonia-nitrogen in biogas slurry in the fields.[Method] Adopt two common rapid determination instruments and Nessler's reagent spectrophotometric method (HJ 535-2009)of laboratorial national standard method to test ammonia-nitrogen in standard sample and biogas slurry sample.[Result] The results showed that the test results of SD90715 ammonia-nitrogen determinator from the two rapid determination instruments were better than that of the TFC utility-type soil fertilizer rapid determination instrument;the accuracy was higher when testing the ammonia-nitrogen in standard sample;the correlation with the true value of the sample can reach to 0.997 2 and the correlation with the determination result of the laboratorial national standard method can reach to 0.995 2.The test results of the ammonia-nitrogen in biogas slurry were consistent biased with the results of the laboratorial national standard method and the correlation can reach to 0.981 0.SD90715 ammonia-nitrogen determinator was fast and simple to operate and needs no reagent preparation,which was suitable for non-professionals.The correction coefficient was 0.798 0 (r was 0.978 4),so it can be used for rapid quantitative determination of ammonia-nitrogen in biogas slurry.[Conclusion] This study can provide seientific basis for rapid determination of ammonia nitrogen in biogas slurry.关键词
沼液/氨氮/快速测定/对照试验Key words
Biogas slurry/Ammonia-nitrogen/Rapid determination/Comparison test分类
资源环境引用本文复制引用
樊战辉,孙家宾,陈光年,彭朝晖,郑丹,杨琴..2种快速测定仪和实验室国标法测定沼液中氨氮浓度的对照分析[J].安徽农业科学,2017,45(34):50-52,83,4.基金项目
农业工程集成创新技术研究与示范项目(2016-XT00-00007-NC). （2016-XT00-00007-NC）
