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1.16973

Supelco

Nitrite Test Strips, reflectometric

0.5-25.0 mg/L (NO₂⁻), REFLECTOQUANT®, for use with RQflex® 20

Synonym(s):

Nitrite chemical test strips, Nitrite test strip for instrument reader

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About This Item

UNSPSC Code:
41116116
NACRES:
NA.24

Product Name

Nitrite Test, reflectometric, 0.5-25.0 mg/L (NO2-), for use with REFLECTOQUANT®

description

quantitative

Quality Level

100

specific analyte(s)

nitrite

reaction suitability

reaction type: Griess reaction

measuring range

0.5-25.0 mg/L (NO2-)

compatibility

RQflex® 20
for use with REFLECTOQUANT®

detection method

reflectometric

storage temp.

2-8°C

General description

Method: reflectometric with test strips 0.5 - 25.0 mg/l NO₂⁻ Reflectoquant®
Nitrites must be closely monitored in drinking and groundwater as well as in process, waste, or aquarium water. In farm produce and fruit juices, high nitrate concentrations affect quality and can constitute serious health risks. Nitrites are also used in additives for food products and serve as corrosion inhibitors in engine cooling systems. On the Reflectoquant Nitrite test strips, in the presence of an acidic buffer nitrite ions react with an aromatic amine to form a diazonium salt, which in turn reacts to form a red-violet dye that is determined reflectometrically on the RQflex® 20. For pre-testing a sample in an economic and quick way to estimate the nitrite concentration and a possible dilution factor prior to using this quantitative method we recommend our semi-quantitative MQuant test strips for nitrite. Further quantitative determination methods can be found with our Spectroquant tests.

Linkage

Replaces: 16973-1; 16973

Analysis Note

function control: conforms
Assay
- standard 1:
1.8 - 2.2 mg/l
- standard 2: 9.0 - 11.0 mg/l
- standard 3: 18.0 - 22.0 mg/l

Legal Information

REFLECTOQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany
RQFLEX is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Certificates of Analysis (COA)

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Articles

Nitrite in Wastewater

Step-by-step method describing the reflectometric determination of nitrite levels in wastewater using Reflectoquant® test strips and reflectometer, ideal for on-site testing.

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