Method for the specific and rapid measurement of urea and ammonia in water, beverages, milk and food products

Shipping temperature: ambient

Storage temperature:
- Short term stability: 2-8^oC,
- Long term stability: see individual component labels

Assay format: spectrophotometer, auto-analyser

Detection method: absorbance - 340

Signal response: decrease

Linear range: 0,2 to 7 µg of ammonia (0.3 to 14 µg of urea) per assay

Reaction time: ~ 10 min

Detection limit: 0,13 mg/L (urea) / 0,07 mg/L (ammonia)

Method recognition: methods based on this principle have been accepted by NEN and MEBAK

Stability: > 2 years under recommended storage condition

 

• Very rapid reaction due to use of uninhibited glutamate dehydrogenase
• Enzymes supplied as stable suspensions
• All reagents stable for > 2 years after preparation
• Spreadsheet available
• Standard included
• Extended cofactors stability
• Very competitive price (cost per test)

Wine, grape juice, must, fruit juices, soft drinks, milk, cheese, meat, processed meat, bakery products, seafood, fertilizers, feed, pharmaceuticals, cosmetics, water (e.g. swimming-pool water), paper (and cardboard) and other materials (e.g. biological cultures, samples, etc.)

Safety data sheet Data Booklet Data calculator Validation report

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