Citation: Ishaat M. Khan, Ahmad Naeem, Afaq Ahmad. Semiquantitative determination of some nitrogen compounds by the formation of charge-transfer complexes of diphenylamine with p-dimethylaminobenzaldehyde by capillary solid-state spot-tests[J]. Chinese Chemical Letters, ;2010, 21(6): 720-724. doi: 10.1016/j.cclet.2009.12.028 shu

Semiquantitative determination of some nitrogen compounds by the formation of charge-transfer complexes of diphenylamine with p-dimethylaminobenzaldehyde by capillary solid-state spot-tests

a Department of Chemistry, Faculty of Science Aligarh Muslim University, Aligarh 202002, UP, India;
b Department of chemistry, Shibli National College, Azamgarh 276002, UP, India

Received Date: 26 August 2009

Fund Project: Special thanks to Chairman, Department of Chemistry, AMU for providing research facilities at Physical Chemistry Lab. One of the authors (I.M.K.) thanks to University Grant Commission, New Delhi, India for financial assistance under contingency and scholarship.

The interactions of p-dimethylaminobenzaldehyde (p-DAB) and potassium hydrogen sulphate (PHS) in equimolar ratio with various concentration of diphenylamine (solid test material) have been investigated by capillary spot-tests technique in order to investigate the effect of temperature and volume of material in test-tube. The formation of the colored boundary in the capillary is taken for the detection of organic compounds by spot-tests at different temperature and volume of solid test material.
- p-DAB,
- Capillary spot-tests,
- Solid material,
- Potassium hydrogen sulphate
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