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iCheck Chroma 3

iCheck Chroma 3 measures vitamin A in oil

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 iLab Content

iCheck Chroma 3 with metal cap

1x

USB cable for data transfer to computer

1x

Stand for reagent vials

1x

Battery charger and 4 rechargeable batteries

1x

Chroma 3 Standard

1x

User Manual and software on USB stick

1x

iCheck Test Kit Content

Syringe

100x

Needle

100x

Vial

100x

iCheck Chroma 3 Technical Data

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

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 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

Disposal instructions

Hazardous waste

Optional equipment

50 mL falcons, reference samples

How it works

iCheck Chroma is comparable
to reference methods

Looking for the User Manual?
Need Help with Sample Preparation?
Find it all on iCheck Academy