Determination of nitrite ion and sulfanilic and orthanilic acids by differential pulse polarography

Journal Article · Thu Nov 01 00:00:00 EST 1984 · Anal. Chem.; (United States)

DOI:https://doi.org/10.1021/ac00277a033· OSTI ID:5847843

Sulaiman, S T

The nitrite ion can be determined with a high degree of accuracy and sensitivity by differential pulse polarography utilizing the rapid and quantitative reaction between the nitrite ion and sulfanilic acid or orthanilic acid at pH 1.5. The experimental detection limit is shown to be 8.6 X 10/sup -8/ M (as NO/sub 2//sup -/) in simple aqueous solution. The method is further used to determine concentrations of sulfanilic acid down to 4 X 10/sup -7/ M and orthanilic acid down to 1.6 X 10/sup -6/ M under optimum conditions.

• Research Organization: Univ. of Mosul, Iraq
• OSTI ID: 5847843
• Journal Information: Anal. Chem.; (United States), Vol. 56:13
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
54 ENVIRONMENTAL SCIENCES
NITRITES
CHEMICAL REACTIONS
POLAROGRAPHY
SULFANILIC ACID
WATER
QUANTITATIVE CHEMICAL ANALYSIS
CARCINOGENS
CHEMICAL REACTION KINETICS
EXPERIMENTAL DATA
PH VALUE
TRACE AMOUNTS
AMINES
CHEMICAL ANALYSIS
DATA
HYDROGEN COMPOUNDS
INFORMATION
KINETICS
NITROGEN COMPOUNDS
NUMERICAL DATA
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
REACTION KINETICS
SULFONIC ACIDS
400102* - Chemical & Spectral Procedures
520200 - Environment
Aquatic- Chemicals Monitoring & Transport- (-1989)