iCheck Fluoro

iCheck Fluoro measures vitamin A in biological fluids and food

iCheck™ Fluoro is a state-of-the-art portable fluorometer. It determines vitamin A quantitatively in food and biological fluids. Using innovative technology it measures the fluorescence of vitamin A in the sample. The vitamin A concentration is displayed in μg RE/L (RE=retinol equivalent). It is used to measure vitamin A in vitamin premixes, sugar, flour, milk and biological fluids such as breast milk.

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iCheck iLab Content

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iCheck Test Kit Content

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Technical Data
SAMPLE

  • Analyte: Vitamin A (retinol) as retinyl palmitate, retinyl acetate and other esters

  • Sample: Food: premix, liquid milk, milk powder, flour, sugar, bouillon powder; biological fluids: breast milk, whole blood, serum

  • Sample preparation: For solid samples: dilution and homogenization is distilled or bottled water

  • Sample volume per analysis: 0.5 mL (500 μL)

  • Concentration range: >0.05 ppm (mg/kg), samples above 3.0 ppm must be diluted in water

DEVICE

  • Analytical method: Fluorimetric determination of retinol concentration using ultraviolate (UV) excitation

  • Units displayed: μg RE/L, RE – retinol equivalents, μg – microgramms

  • Linear range: 50–3000 μg RE/L

  • Calibration: Factory set (standards included for control)

  • Time per analysis: < 10 min

  • Environment: 20–30 °C, no direct sunlight

  • Accuracy at 95% confidence interval at 25°C: ±5-25% (depends on the sample type)

  • 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)

TEST KITS

  • Content: 1100 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