全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

对二甲氨基苯甲醛比色法测定微量尿素的改进

, PP. 410-413

Keywords: 尿素测定,对二甲氨基苯甲醛比色法,生产应用

Full-Text   Cite this paper   Add to My Lib

Abstract:

在氮肥厂监测水解系统微量尿素的含量中,传统的方法是采用对二甲氨基苯甲醛比色法,但该方法重现性差,不利于指导尿素生产.通过对上述方法的改进,提高了测试的灵敏度和准确度,为尿素生产提供了可靠的工艺保证.

References

[1]  中国核工业建峰化工总厂. Q/DH.J11.26-1998水中微量尿素的测定:对二甲氨基苯甲醛比色法[S]//中国核工业建峰化工总厂,1998.
[2]  杜昌文,周健民. 水溶液中微量尿素的测定[J]. 土壤肥料,2002(4):41-43.
[3]  吴章,孔凡玲. 深度水解液中微量尿素的测定[J]. 四川化工,2004,7(5):37-38.
[4]  应贤强. 对二甲氨基苯甲醛比色法测定尿素水解系统中的微量尿素[J]. 化肥工业,1999,26(4):50-55.
[5]  唐国平. 尿素测定的新方法[J]. 大氮肥,2000,23(3):194.
[6]  罗晓艳,罗文联. 尿素水解系统微量尿素分析方法的探讨[J]. 化肥工业,2005,32(6):34-36.
[7]  Khalil R A, Saeed A M A. The role of micellar catalysis from kinetic and thermodynamic investigations of the reaction between bromhexine drug with para-dimethylaminobenzaldehyde[J]. Colloids Surfaces A: Physicochemical Engineering Aspects,2007,298(3):206-215.
[8]  Meng S H, Liang P, Tan Z C, et al. Heat capacity and thermodynamic properties of p-dimethylaminobenzaldehyde[J]. Thermochimica Acta,1999,342(1/2):47-51.
[9]  Swann D A, Balazs E A. Determination of the hexosamine content of macro-molecules with manual and automated techniques using the p-dimethylaminobenzaldehyde reaction[J]. Biochimica Biophysica Acta:General Subjects,1966,130(1):112-129.
[10]  Stefek M, Gajdosik A, Gajdosikova A, et al. p-Dimethylaminobenzaldehyde-reactive substances in tail tendon collagen of streptozotocin-diabetic rats: temporal relation to biomechanical properties and advanced glycation endproduct (AGE)-related fluorescence[J]. Biochimica Biophysica Acta:Molecular Basis Disease,2000,1502(3):398-404.
[11]  Kanter S L. Elimination of interference due to urea in the determination of meprobamate with p-dimethylaminobenzaldehyde[J]. Clinica Chimica Acta,1963,8(1):2-4.
[12]  李伟清,郑筱梅,李自林. 微量尿素的分光光度法测定[J]. 重庆师范学院学报:自然科学版,2001,18(6):86-88.
[13]  刘亮,邹太和. 甲醛自由基及其离子的稳定性[J]. 四川师范大学学报:自然科学版,2007,30(4):513-515.
[14]  刘妙丽. 水中苯和甲苯挥发速率的研究[J]. 四川师范大学学报:自然科学版,2007,30(5):660-662.
[15]  方卢秋,杨季冬,李晓燕,等. NBS-荧光素-CTAC流动注射化学发光体系测定尿素的含量[J]. 四川师范大学学报:自然科学版,2004,27(3):288-291.
[16]  潘祖亭,曾百肇,张华山,等. 分析化学[M]. 北京:高等教育出版社,2000:262.
[17]  鲁如坤. 土壤农业化学分析方法[M]. 北京:中国农业科技出版社,2000.
[18]  Kundu S, Chattopadhyay N. Dual luminescence of dimethylaminobenzaldehyde in aqueous β-cyclodextrin: non-polar and TICT emissions[J]. J Photochemistry Photobiology A: Chemistry,1995,88(2/3):105-108.
[19]  Cui Y M, Chang X J, Zhu X B. Chemically modified silica gel with p-dimethylaminobenzaldehyde for selective solid-phase extraction and preconcentration of Cr(III), Cu(II), Ni(II), Pb(II) and Zn(II) by ICP-OES[J]. Microchemical J,2007,87(1):20-26.
[20]  Yatsimirskaya N T, Sosnovskaya I N, Yatsimirsky A K. Spectrophotometric determination of 6-aminopenicillanic and 7-aminocephalosporanic acids as the schiff bases with para-dimethylaminobenzaldehyde in the presence of sodium dodecyl sulfate micelles[J]. Analytical Biochemistry,1995,229(2):249-255.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133