产品名称
Nitrate Test, colorimetric, 10-150 mg/L (NO3-), for use with MQUANT®
specific analyte(s)
nitrate
measuring range
10-150 mg/L (NO3-)
compatibility
for use with MQUANT®
detection method
colorimetric
storage temp.
15-25°C
Quality Level
Analysis Note
Application testconforms
General description
Method: colorimetric with color card and sliding comparator 10-25-50-75-100-125-150 mg/l NO₃⁻ MQuant®
This MQuant® Nitrate 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.Nitrate is naturally present in soil, water and food and must be closely monitored. The test is suitable for testing in
Method
Nitrate ions are reduced to nitrite ions that react in acidic solution with sulfanilic acid to form a diazonium salt. This reacts with a benzoic acid derivative to form an orange-yellow azo dye. The nitrate concentration is measured semiquantitatively by allocating the color to a value on a reference scale.
- Groundwater, drinking water, and surface water (also humin-containing samples)
- Waters from aquaculture
- Swimming-pool water
- Industrial water
- Wastewater
- Food and animal fodder after appropriate sample pretreatment
- Soils and fertilizers after appropriate sample pretreatment
Method
Nitrate ions are reduced to nitrite ions that react in acidic solution with sulfanilic acid to form a diazonium salt. This reacts with a benzoic acid derivative to form an orange-yellow azo dye. The nitrate concentration is measured semiquantitatively by allocating the color to a value on a reference scale.
Legal Information
MCOLORTEST is a registered trademark of Merck KGaA, Darmstadt, Germany
MQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
Hazard Classifications
Acute Tox. 4 Inhalation - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 1B - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
存储类别
6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
法规信息
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