iCheck Chroma 3
iCheck Chroma 3™ is a state-of-the-art portable photometer for measuring vitamin A concentration in edible oil. The iCheck is specifically developed and equipped with innovative technology to enable technically sophisticated measurement of absorption. iCheck Chroma™ 3 displays vitamin A concentration in mg RE/kg and IU/g.
iCheck Chroma 3 measures vitamin A in oil
What is inside
iCheck Chroma 3: Case Content
iCheck device
Rechargeable batteries & charger
USB -B cable for data transfer
Vial stand
Chroma 3 Standard
USB stick with User Manual
User Manual
iCheck device
Rechargeable batteries & charger
USB -B cable for data transfer
Vial stand
Chroma 3 Standard
USB stick with User Manual
User Manual
A – iCheck device, B – Rechargeable batteries & charger, C – USB -B cable for data transfer, D – Vial stand, E – Chroma 3 Standard, F – USB stick with User Manual, G – User Manual.
iCheck Chroma 3: Test Kit Content
iCheck Chroma Reagent Vials x 100
1 mL syringe x 100
Needle x 100
iCheck Chroma Reagent Vials x 100
1 mL syringe x 100
Needle x 100
A – iCheck Chroma Reagent Vials x 100, B – 1 mL syringe x 100, C – Needle x 100.
Technical Specifications
Sample
| Analyte | Vitamin A (retinol) as retinyl palmitate |
| Sample | Refined edible oils: palm, soy, cottonseed, sunflower, corn, peanut, rapeseed, coconut, rice bran |
| Sample preparation | If the oil is solid, warm it up to a maximum of 50°C to make it liquid |
| Sample volume per analysis | 0.1 mL (100μL) |
| Concentration range | >3.0 ppm (mg/kg), samples above 30.0 ppm must be diluted in refined unfortified oil |
Device
| Analytical method | Photometric determination of retinol concentration using colorimetric Carr-Price reaction combined with compensation for matrix effect |
| Units displayed | mg RE/kg and IU/g; RE – retinol equivalents, IU – international units |
| Linear range | 3.00 – 30.00 mg RE/kg (10.00 – 100.00 IU/g) |
| Calibration | Factory set (standards included for control) |
| Time per analysis | < 2 min |
| Enviroment | 20 –30°C, no direct sunlight |
| Accuracy at 95% confidence interval at 25°C | <±30% |
| 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 |
| NiMH rechargeable batteries included; AA 1.2 or 1.5V | 2 years |
| Warranty | 2 years |
| Device weight | 0.45 kg |
| Device dimensions | 11 x 4 x 20 cm (W x H x L) |
Test Kit
| Content | 100 reagent vials; 100 syringes – 1.0 mL; 100 needles – 0.8mm x 16mm. |
| Chemical composition | Chloroform and antimony trichloride |
| 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 |
| Disposable instructions | Hazardous waste |
| Optional equipment | 50 mL falcons, reference samples |
Accessories
iCheck Chroma 3 Training Set
Hamilton syringe
Steel and glass reuseable Hamilton 100 µl syringe with removable needle.
