Home

Citation: Dai Qingshan, Yao Jinyu, Xie Wenbing, Wang Guoping. Effect of NH₄H₂PO₄ on The Ashing and Atomization of Cd in GFAAS[J]. Chinese Journal of Applied Chemistry, ;1996, 13(5): 85-87. shu

Effect of NH₄H₂PO₄ on The Ashing and Atomization of Cd in GFAAS

1.
Changckun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 22 November 1995
Available Online: 24 June 1996

A kinetic approach and other informations were employed to study the mechanism of Cd ashing and atomization when NH₄H₂PO₄ was used as a modifier. During the pyrolysis stage Cd_x(PO₃)_n produced and a large amount of NH₄H₂PO₄ dehydrated to form metaphosphate with chain or ring shape. This may result in the physical embedment of Cd. So both chemical and physical factors lead to the rise of the pyrolysis temperature. During the atomization stage, the analyte atomization was considered to be governed by the decomposition of this meta phosphate.
- graphite furnace atomic absorption spectrometry,
- kinetic model,
- Arrhenius plot
1. [1]
  Shule Liu . Application of SPC/E Water Model in Molecular Dynamics Teaching Experiments. University Chemistry, 2024, 39(4): 338-342. doi: 10.3866/PKU.DXHX202310029
2. [2]
  Yaling Chen . Basic Theory and Competitive Exam Analysis of Dynamic Isotope Effect. University Chemistry, 2024, 39(8): 403-410. doi: 10.3866/PKU.DXHX202311093
3. [3]
  Jiayu Gu , Siqi Wang , Jun Ling . Kinetics of Living Copolymerization: A Brief Discussion. University Chemistry, 2025, 40(4): 100-107. doi: 10.12461/PKU.DXHX202406012
4. [4]
  Jinfu Ma , Hui Lu , Jiandong Wu , Zhongli Zou . Teaching Design of Electrochemical Principles Course Based on “Cognitive Laws”: Kinetics of Electron Transfer Steps. University Chemistry, 2024, 39(3): 174-177. doi: 10.3866/PKU.DXHX202309052
5. [5]
  Yeyun Zhang , Ling Fan , Yanmei Wang , Zhenfeng Shang . Development and Application of Kinetic Reaction Flasks in Physical Chemistry Experimental Teaching. University Chemistry, 2024, 39(4): 100-106. doi: 10.3866/PKU.DXHX202308044
6. [6]
  Mengyao Shi , Kangle Su , Qingming Lu , Bin Zhang , Xiaowen Xu . Determination of Potassium Content in Tobacco Stem Ash by Flame Atomic Absorption Spectroscopy. University Chemistry, 2024, 39(10): 255-260. doi: 10.12461/PKU.DXHX202404105
7. [7]
  Xuzhen Wang , Xinkui Wang , Dongxu Tian , Wei Liu . Enhancing the Comprehensive Quality and Innovation Abilities of Graduate Students through a “Student-Centered, Dual Integration and Dual Drive” Teaching Model: A Case Study in the Course of Chemical Reaction Kinetics. University Chemistry, 2024, 39(6): 160-165. doi: 10.3866/PKU.DXHX202401074
8. [8]
  Dexin Tan , Limin Liang , Baoyi Lv , Huiwen Guan , Haicheng Chen , Yanli Wang . Exploring Reverse Teaching Practices in Physical Chemistry Experiment Courses: A Case Study on Chemical Reaction Kinetics. University Chemistry, 2024, 39(11): 79-86. doi: 10.12461/PKU.DXHX202403048
9. [9]
  Shanghua Li , Malin Li , Xiwen Chi , Xin Yin , Zhaodi Luo , Jihong Yu . 基于高离子迁移动力学的取向ZnQ分子筛保护层实现高稳定水系锌金属负极的构筑. Acta Physico-Chimica Sinica, 2025, 41(1): 2309003-. doi: 10.3866/PKU.WHXB202309003
10. [10]
  Yiying Yang , Dongju Zhang . Elucidating the Concepts of Thermodynamic Control and Kinetic Control in Chemical Reactions through Theoretical Chemistry Calculations: A Computational Chemistry Experiment on the Diels-Alder Reaction. University Chemistry, 2024, 39(3): 327-335. doi: 10.3866/PKU.DXHX202309074
11. [11]
  Yue Wu , Jun Li , Bo Zhang , Yan Yang , Haibo Li , Xian-Xi Zhang . Research on Kinetic and Thermodynamic Transformations of Organic-Inorganic Hybrid Materials for Fluorescent Anti-Counterfeiting Application information: Introducing a Comprehensive Chemistry Experiment. University Chemistry, 2024, 39(6): 390-399. doi: 10.3866/PKU.DXHX202403028
12. [12]
  You Wu , Chang Cheng , Kezhen Qi , Bei Cheng , Jianjun Zhang , Jiaguo Yu , Liuyang Zhang . ZnO/D-A共轭聚合物S型异质结高效光催化产H₂O₂及其电荷转移动力学研究. Acta Physico-Chimica Sinica, 2024, 40(11): 2406027-. doi: 10.3866/PKU.WHXB202406027
13. [13]
  Yan Li , Xinze Wang , Xue Yao , Shouyun Yu . 基于激发态手性铜催化的烯烃E→Z异构的动力学拆分——推荐一个本科生综合化学实验. University Chemistry, 2024, 39(5): 1-10. doi: 10.3866/PKU.DXHX202309053
14. [14]
  Jiahui CHEN , Tingting ZHENG , Xiuyun ZHANG , Wei LÜ . Research progress of near-infrared absorption inorganic nanomaterials in photothermal and photodynamic therapy of tumors. Chinese Journal of Inorganic Chemistry, 2024, 40(12): 2396-2414. doi: 10.11862/CJIC.20240106
15. [15]
  Zhenlin Zhou , Siyuan Chen , Yi Liu , Chengguo Hu , Faqiong Zhao . A New Program of Voltammetry Experiment Teaching Based on Laser-Scribed Graphene Electrode. University Chemistry, 2024, 39(2): 358-370. doi: 10.3866/PKU.DXHX202308049
16. [16]
  Jiahao Lu , Xin Ming , Yingjun Liu , Yuanyuan Hao , Peijuan Zhang , Songhan Shi , Yi Mao , Yue Yu , Shengying Cai , Zhen Xu , Chao Gao . 基于稳态电热法的石墨烯膜导热系数的精确可靠测量. Acta Physico-Chimica Sinica, 2025, 41(5): 100045-. doi: 10.1016/j.actphy.2025.100045
17. [17]
  Wenliang Wang , Weina Wang , Sufan Wang , Tian Sheng , Tao Zhou , Nan Wei . “Schrödinger Equation – Approximate Models – Core Concepts – Simple Applications”: Constructing a Logical Framework and Knowledge Graph of Atom and Molecule Structures. University Chemistry, 2024, 39(8): 338-343. doi: 10.3866/PKU.DXHX202312084
18. [18]
  Wei Huang , Weiwei Chen , Yongxing Tang . Green Mountains and Blue Waters Spanning Nine Centuries: Decrypting “The Picture of a Thousand Miles of Rivers and Mountains” from a Chemical Perspective. University Chemistry, 2024, 39(9): 189-195. doi: 10.12461/PKU.DXHX202312075
19. [19]
  Zhonghong Yan , Chunxia Li , Ruolin Yang . Analysis of the Use and Effectiveness of Concept Mapping Assignments in English Medium Instruction of General Chemistry. University Chemistry, 2025, 40(4): 224-231. doi: 10.12461/PKU.DXHX202405138
20. [20]
  Shiyang He , Dandan Chu , Zhixin Pang , Yuhang Du , Jiayi Wang , Yuhong Chen , Yumeng Su , Jianhua Qin , Xiangrong Pan , Zhan Zhou , Jingguo Li , Lufang Ma , Chaoliang Tan . 铂单原子功能化的二维Al-TCPP金属-有机框架纳米片用于增强光动力抗菌治疗. Acta Physico-Chimica Sinica, 2025, 41(5): 100046-. doi: 10.1016/j.actphy.2025.100046

Get Citation

PDF

XML

Metrics

PDF Downloads(0)
Abstract views(446)
HTML views(25)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Address：Zhongguancun North First Street 2,100190 Beijing, PR China Tel: +86-010-82449177-888

DownLoad: Full-Size Img PowerPoint

Return

Effect of NH4H2PO4 on The Ashing and Atomization of Cd in GFAAS

Metrics

通讯作者: 陈斌, bchen63@163.com

Effect of NH₄H₂PO₄ on The Ashing and Atomization of Cd in GFAAS