Abstract
In this research, a new method was used to determine the amount of iron in pharmaceutical, by using the color bio sensor of the smartphone device as bio sensor for the chromatic intensity of the samples images that are examined through a program (color meter) that is downloaded to the phone. An accessory for the mobile device is designed from plastic (black acrylic). In the form of a dark box from the inside equipped with a flow cell and a mirror reflecting the flash light emitted by the mobile device and a green filter complementing the red color, and a micro switch connected to a smartphone device via earphones, and the device is attached to the accessory by the device case. The calibration curve for this method was in the range of mg/L (1-8), the correlation coefficient (R2) was equal to (0.999), the limit of detection was in the amount of (0.2) mg/L, and the relative standard deviation (RSD%) for the concentration is (4) mg/L, for which the examination was repeated (10) times, and its value was (0.6 %), and the recovery value (Recovery%) was equal to (101.5 %).
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