iCheck Carotene portable photometer determines total carotenoid concentration in food and biological fluids. iCheck™ Carotene measures the color reaction in the test vial and calculates the carotene content in mg/L.
Analyte: Total carotenoids
Sample: Food: Premix, roots (i.e. cassava), beverages, eggs, salmon; Biological fluids: colostrum, cattle whole blood & serum
Sample preparation: For solid or highly concentrated samples: dilution in distilled or bottled water
Sample volume per analysis: 0.4mL (400 μL)
Concentration range: >0.15 ppm (mg/kg), samples above 15.0 ppm must be diluted in water
Analytical method: Photometric determination of total carotenoid concentration using absorption at 450 and 525nm.
Units displayed: mg/L
Linear range: 0.15 – 15.0 mg/L
Calibration: Factory set (standards included for control)
Time per analysis: <10 min
Enviroment: 20–30°C, no direct sunlight
Accuracy at 95% confidence interval at 25°C: ±5-20% (depends on the sample type and concentration)
Method comparison: High-performance liquid chromatography (HPLC)
User training: 1 day training
Use: Laboratory and field
Data output: Sample #, Batch #, Result, Date, Time (in transferred data)
Connectivity and data: Results are stored in the device and transferred to a PC via USB
Power source: NiMH rechargeable batteries included; AA 1.2 or 1.5V
Warranty: 2 years
Device weight: 0.45 kg
Device dimensions: 11 x 4 x 20 cm (W x H x L)
Content: 100 reagent vials; 100 syringes – 1.0 mL; 100 needles – 1.6mm x 25mm
Chemical composition: n-Hexan and alcohols
Volume per reagent vial: 2.0 mL
Shelf life: 12 months at 20-30°C, no direct sunlight, upright
Dimension of test kit: 26 x 14.5 x 16.5 cm
Disposal instructions: Hazardous waste
Optional equipment: Manual centrifuge, 50 mL falcons, weighing dishes, reference samples