电感耦合等离子体原子发射光谱法测定肥料中镉和铬的含量 - 202502 - 肥料与健康
电感耦合等离子体原子发射光谱法测定肥料中镉和铬的含量
Determination of Cadmium and Chromium Content in Fertilizer by Inductively Coupled Plasma Atomic Emission Spectrometry
doi: 10.3969/j.issn.2096-7047.2025.02.014
, ,
摘要:

样品用盐酸-硝酸(3+1)混合酸溶解,采用电感耦合等离子体原子发射光谱(ICP-AES)法同时测定肥料中镉和铬的含量。结果表明:镉的质量浓度在0.05~0.80 μg/mL范围内与对应的发射光谱强度呈线性关系(r>0.999),其检出限、定量限分别为0.203、0.678 μg/L;铬的质量浓度在0.50~4.00 μg/mL范围内与对应的发射光谱强度呈线性关系(r>0.999),其检出限、定量限分别为0.250、0.833 μg/L;两种元素的加标回收率分别为96.0%和99.2%,相对标准偏差分别为1.7%和2.0%。与原子吸收光谱法相比,ICP-AES法在准确性、检测效率和安全性方面具有优势,可为肥料中重金属含量的快速检测提供可靠的技术支持。

关键词:
Abstract:

The sample is dissolved in hydrochloric acid-nitric acid (3+1) mixed acid, and the content of cadmium and chromium in fertilizer is simultaneously determined by inductively coupled plasma atomic emission spectrometry (ICP-AES). The results show that the mass concentration of cadmium has a linear relationship (r>0.999) with the corresponding emission spectral intensity in the range of 0.05-0.80 μg/mL, with detection limit and quantification limit of 0.203 and 0.678 μg/L, respectively. The mass concentration of chromium is linearly related to the corresponding emission spectral intensity in the range of 0.50-4.00 μg/mL (r>0.999), with detection limit and quantification limit of 0.250 and 0.833 μg/L, respectively. The spiked recovery rate of the two elements are 96.0% and 99.2% and the relative standard deviations of 1.7% and 2.0%, respectively. Compared to atomic absorption spectrometry, ICP-AES method has advantages in accuracy, detection efficiency, and safety, which can provide reliable technical support for the rapid detection of heavy metal content in fertilizer.

Keyword:
ckwx 参考文献

1

张东力 冯树涛 李航 遵义市不同品种肥料中重金属含量及风险评价云南化工202451129296

张东力, 冯树涛, 李航, 等. 遵义市不同品种肥料中重金属含量及风险评价[J]. 云南化工, 2024, 51(12): 92-96.

2

伍志波 周兆海 谢晓欣 电感耦合等离子体发射光谱仪测定肥料中总镍、总钴、总锑含量中国土壤与肥料202410260262

10.11838/sfsc.1673-6257.23795

伍志波, 周兆海, 谢晓欣, 等. 电感耦合等离子体发射光谱仪测定肥料中总镍、总钴、总锑含量[J]. 中国土壤与肥料, 2024(10): 260-262. doi:10.11838/sfsc.1673-6257.23795

3

马爱枝 温建辉 綦文霞 电感耦合等离子原子发射光谱仪测定复混肥料中镉、铅、铬、汞的含量硅谷20111323

马爱枝, 温建辉, 綦文霞, 等. 电感耦合等离子原子发射光谱仪测定复混肥料中镉、铅、铬、汞的含量[J]. 硅谷, 2011(13): 23.

4

谭春宇 微敞开石墨消解-电感耦合等离子体发射光谱仪测定土壤中铁锰铝钙镁云南化工2024517106108

谭春宇. 微敞开石墨消解-电感耦合等离子体发射光谱仪测定土壤中铁锰铝钙镁[J]. 云南化工, 2024, 51(7): 106-108.

5

全国肥料和土壤调理剂标准化技术委员会. 肥料中砷、镉、铬、铅、汞含量的测定: GB/T 23349—2020[S]. 北京: 中国标准出版社, 2020.

当前期刊数据统计
摘要浏览量: 0
PDF下载量: 0
被引用次数: 0
扫一扫关注
肥料与健康
微信公众号