GPMAS测定土壤中亚硝酸盐氮的干扰探讨

杨登; 陈英; 贺小敏; 王卉; 廖华英

doi:10.19672/j.cnki.1003-6504.2454.23.338

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GPMAS测定土壤中亚硝酸盐氮的干扰探讨

更新时间：2026-11-05

- GPMAS测定土壤中亚硝酸盐氮的干扰探讨
- Discussion on Interference of Soil Nitrite Nitrogen Determination by GPMAS
- 环境科学与技术 2024年47卷第S1期页码：127-131
- 作者机构：
- 作者简介：
- 基金信息：
  
  湖北省地方标准制修订项目（T-Z-06-2021276）
- DOI：10.19672/j.cnki.1003-6504.2454.23.338
  中图分类号： X833
- 纸质出版：2024
- 稿件说明：
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杨登, 陈英, 贺小敏, 等. GPMAS测定土壤中亚硝酸盐氮的干扰探讨[J]. 环境科学与技术, 2024,47(S1):127-131.

杨登, 陈英, 贺小敏, et al. Discussion on Interference of Soil Nitrite Nitrogen Determination by GPMAS[J]. 2024, 47(S1): 127-131.
杨登, 陈英, 贺小敏, 等. GPMAS测定土壤中亚硝酸盐氮的干扰探讨[J]. 环境科学与技术, 2024,47(S1):127-131. DOI： 10.19672/j.cnki.1003-6504.2454.23.338.

杨登, 陈英, 贺小敏, et al. Discussion on Interference of Soil Nitrite Nitrogen Determination by GPMAS[J]. 2024, 47(S1): 127-131. DOI： 10.19672/j.cnki.1003-6504.2454.23.338.

摘要

文章探讨了气相分子吸收光谱法测定土壤中亚硝酸盐氮时，硫化物、甲醛、VOCs、乙草胺、丙烯酰胺、尿素等土壤中存在的物质对分析可能产生的干扰及干扰去除方法。实验结果表明，硫化物、VOCs对亚硝酸盐氮的测定结果产生正干扰。土壤提取液中加入乙酸锌+乙酸钠混合溶液并将溶液调为弱碱性（p H 10～11），可消除硫化物干扰；土壤提取液加热煮沸3～5 min，可消除VOCs的干扰。甲醛、乙草胺、丙烯酰胺、尿素基本无干扰。

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