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1.08025

Supelco

Nitrite Test Kit, colorimetric

0.025-0.5 mg/L (NO₂⁻), MQuant®

Synonyme(s) :

Nitrite Visual Test Kit

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About This Item

Code UNSPSC :
41116116
Nomenclature NACRES :
NA.24

product name

Nitrite Test, colorimetric, 0.025-0.5 mg/L (NO2-), for use with MQUANT®

Analyte(s) spécifique(s)

nitrite

Niveau de qualité

100

Plage de mesure

0.025-0.5 mg/L (NO2-)

Compatibilité

for use with MQUANT®

Méthode de détection

colorimetric

Température de stockage

15-25°C

Description générale

Method: colorimetric with color card and sliding comparator 0.025 - 0.050 - 0.075 - 0.10 - 0.15 - 0.2 - 0.3 - 0.5 mg/l NO₂⁻ MQuant®

Application


  • Clinical and laboratory features of urinary tract infections in young infants: Discusses diagnostic challenges and characteristics of urinary tract infections in infants, stressing the importance of accurate detection to guide treatment (Lo et al., 2018).

  • Differentiating Kawasaki disease from urinary tract infection in febrile children with pyuria and C-reactive protein elevation: Focuses on differential diagnosis in pediatric care, which can influence the choice of nitrite tests for accurate and timely diagnosis (Han and Lee, 2018).

  • Early features of Kawasaki disease with pyuria in febrile infants younger than 6 months: Addresses the overlap of urinary symptoms in Kawasaki disease, underscoring the utility of nitrite tests in complex cases (Yoon et al., 2018).

  • Current practice on the management of pre-operative urine dipstick results in women undergoing gynaecological surgery in Wales: Reviews procedures related to pre-surgical care in gynaecology, indicating broader applications of nitrite testing in hospital protocols (Walker et al., 2019).

Remarque sur l'analyse

Application testconforms
This MQuant® Nitrite test (formally MColortest®) is suitable for the colorimetric determination using the easy to use color card. The evaluation considers the untreated sample so even turbid and colored water samples can be analyzed without further preparation. Nitrite is naturally present in soil, water and food and must be closely monitored in drinking and ground water as well as in process, waste, or aquarium water.
The test can be used in:
  • Groundwater and surface water, seawater
  • Drinking water and mineral water
  • Aquarium water (freshwater and seawater), waters from aquaculture
  • Food after appropriate sample pretreatment
  • Soils and fertilizers after appropriate sample pretreatment
  • Boiler and boiler feed water, cooling water
  • Wastewater
  • Electroplating wastewater

Method
In acidic solution nitrite ions react with sulfanilic acid to form a diazonium salt, which in turn reacts with N-(1-naphthyl)ethylenediamine dihydrochloride to form a red-violet azo dye. The nitrite concentration is measured semiquantitatively by allocating the color to a value on a reference scale.

Informations légales

MCOLORTEST is a registered trademark of Merck KGaA, Darmstadt, Germany
MQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictogrammes

Corrosion
GHS05

Mention d'avertissement

Warning

Mentions de danger

H290 - H315 - H319

Classification des risques

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2

Code de la classe de stockage

8A - Combustible, corrosive hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Certificats d'analyse (COA)

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