Performance characteristics and some applications of the nitrogen oxide gas sensor

Journal Article · Tue Jan 01 00:00:00 EST 1985 · Anal. Chem.; (United States)

DOI:https://doi.org/10.1021/ac00279a040· OSTI ID:6012334

Hassan, S S.M.; Tadros, F S

The performance characteristics of nitrogen oxide gas sensor with regard to the origin of response, limit of detection, response time, influence of the membrane type, and selectivity have been systematically examined. Optimum conditions for direct potentiometric determination of as low as 0.1 ..mu..mol mL/sup -1/ nitrite are described and results with an average recovery of 98.2% (standard deviation +/- 0.3%) are obtained. The sensor is also used to monitor direct titration of micromole per liter quantities of primary aryl amines, hydrazines, and azide with sodium nitrite or sodium cobaltinitrite. Results with an average recovery of 98.3% (standard deviation +/- 1.3%) are obtainable without any significant interference from 1000-fold molar excess of amides, imides, anilides, tertiary amines, and quaternary ammonium salts. 24 references, 2 figures, 4 tables.

• Research Organization: Ain Shams Univ., Cairo, Egypt
• OSTI ID: 6012334
• Journal Information: Anal. Chem.; (United States), Vol. 57:1
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
54 ENVIRONMENTAL SCIENCES
AMINES
POTENTIOMETRY
AZIDES
GASES
QUANTITATIVE CHEMICAL ANALYSIS
HYDRAZINE
PARAMETRIC ANALYSIS
NITRITES
NITROGEN OXIDES
POTENTIOMETERS
OPTIMIZATION
RESPONSE FUNCTIONS
AQUEOUS SOLUTIONS
EXPERIMENTAL DATA
MEMBRANES
SENSITIVITY
CHALCOGENIDES
CHEMICAL ANALYSIS
DATA
DISPERSIONS
ELECTRIC MEASURING INSTRUMENTS
ELECTRICAL EQUIPMENT
EQUIPMENT
FLUIDS
FUNCTIONS
INFORMATION
MEASURING INSTRUMENTS
MIXTURES
NITROGEN COMPOUNDS
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SOLUTIONS
TITRATION
400102* - Chemical & Spectral Procedures
500200 - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)