K-LARGE
SKU: 700004309
50 Assays per kit
Content: | 50 assays per kit |
Shipping Temperature: | Ambient |
Storage Temperature: | Short term stability: 2-8oC, Long term stability: See individual component labels |
Stability: | > 1 year under recommended storage conditions |
Analyte: | Ammonia, L-Arginine, Nitrogen, Urea, YAN |
Assay Format: | Spectrophotometer |
Detection Method: | Absorbance |
Wavelength (nm): | 340 |
Signal Response: | Decrease |
Linear Range: | 1.0 to 35 mg of L-arginine, 0.2 to 7.0 μg of ammonia and 0.3 to 14 µg of urea per assay |
Limit of Detection: | 0.07 mg/L (ammonia), 0.13 mg/L (urea), 0.37 mg/L (L-arginine) |
Reaction Time (min): | ~ 20 min [ammonia (2 min), urea (6 min), L-arginine (7 min)] |
Application examples: | Grape juice, wine must, wine and other materials (e.g. biological cultures, samples, etc.). |
Method recognition: | Improved method |
The L-Arginine/Urea/Ammonia test kit is specific and a rapid measurement and analysis of L-arginine, urea and ammonia in grape juice/must and wine.
Note for Content: The number of manual tests per kit can be doubled if all volumes are halved. This can be readily accommodated using the MegaQuantTM Wave Spectrophotometer (D-MQWAVE).
Display all of our nitrogen assay kit products.
Advantages
- Extended cofactors stability. Dissolved cofactors stable for > 1 year at 4oC.
- Improved assay format
- Very rapid reactions due to use of uninhibited glutamate dehydrogenase
- All enzymes supplied as stabilised suspensions
- Very competitive price (cost per test)
- All reagents stable for > 2 years after preparation
- Mega-Calc™ software tool is available from our website for hassle-free raw data processing
- Standard included