iCheck Iodine Portable Photometer Measures Iodine in Salt

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

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