iCheck Iodine portable photometer determines iodine quantitatively. iCheck Iodine measures the purple color reaction in the test vial and calculates the iodine content in mg/L. It is used to measure iodization level in salt.
Analyte: Iodine as potassium iodate
Sample: Table salt
Sample preparation: Dilution in distilled or bottled water
Sample volume per analysis: 1.0 mL (1000 μL)
Concentration range: >3 ppm (mg/kg), samples must be diluted in water; minimum dilution factor is 1:3
Analytical method: Photometric determination of iodine concentration using colorimetric reaction
Units displayed: mg/L
Linear range: 1.0 – 13.0 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: <±17%
Method comparison: Iodometric titration
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 and 20 additive vials; 120 syringes – 1.0 mL; 120 needles – 0.8mm x16mm
Chemical composition: Starch, potassium iodide, phosphoric acid
Volume per reagent vial: 1.9 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
Disposable instructions: Non-hazardous waste
Optional equipment: 50 mL falcons, weighing dishes, reference samples