AMMONIUM TEST MCOLORTESTTM

General description

Method: colorimetric, indophenol blue, with color card and comparator block with long test tubes 0.025-0.050-0.075-0.10-0.15-0.20-0.25-0.30-0.40 mg/l NH<SUB>4</SUB> 0.02-0.04-0.06-0.08-0.12-0.16-0.19-0.23-0.31 mg/l NH4-N MQuant^®

With the MQuant^® Ammonium test (formally MColortest^®) ammonium ions can be detected in e.g. groundwater and surface water, seawater, drinking water and aquarium water. Ammonium nitrogen (NH4-N) occurs partly in the form of ammonium ions and partly as ammonia. A pH-dependent equilibrium exists between the two forms.

Method
In strongly alkaline solution ammonia reacts with a chlorinating agent to form monochloramine. This in turn reacts with thymol to form a blue indophenol derivative. Due to the intrinsic yellow coloration of the reagent blank, the measurement solution is yellow-green to green in color. The ammonium concentration is measured semiquantitatively by visual comparison of the color of the measurement solution with the color fields of a color card.The unique brilliance of the print and their fine color graduation allow precise analyses, even at the lower end of the concentration range. Due to the long test tubes a sensitive measurement range can be covered.

This test is suitable for ammonium determination in

• Groundwater and surface water
• Drinking water and mineral water
• Wastewater
• Aquarium water, waters from aquaculture
• Boiler and boiler feed water, cooling water
• Swimming-pool water
• Nutrient solutions for fertilization
• Food after appropriate sample pretreatment

This test is not suited for seawater.

Legal Information

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

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

specific analyte(s): ammonium. Quality Level: 100. web metadata keyword.default: microbialanalysis
microbialanalysis. compatibility: for use with MQUANT^®. . detection method: colorimetric. storage temp.: 15-25°C. Pictograms: GHS02,GHS05,GHS07. Signal Word: Danger. Hazard Statements: H225 - H290 - H302 - H314 - H336 - H412. Precautionary Statements: P210 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338. Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 2 - Met. Corr. 1 - Skin Corr. 1B - STOT SE 3. Target Organs: Central nervous system. Storage Class Code: 3 - Flammable liquids. WGK: WGK 3.