Measurement of Attenuation and Velocity on Ultrasonic Waves in Adulteration of Honey to Find Their Correlation

Honey testing is needed to find out whether the honey is real honey or mixed honey in order to avoid side effects that endanger its users. In this final project using a non-destructive testing method with ultrasonic wave transmission testing. 1MHz frequency ultrasonic waves are emitted by a transmitter and received by a receiver opposite each other with a distance of 9.48mm. The compound used is water and liquid sugar mixed with Perhutani honey with longan flowers with a concentration variation of 0-90 wt%. The parameters used in testing with this ultrasonic wave transmission method are the wave velocity and attenuation coefficient. Speed is calculated from the travel time measured by the phase difference of the sinusoid ultrasonic wave between receiver and transmitter. The attenuation is calculated by comparing the amplitude of the ultrasonic wave receiver with the transmitter. The test results show that the greater the concentration of the mixing substance, the smaller the velocity and attenuation value. Based on the results of the analysis, it can be concluded that the value of the attenuation parameter and the velocity of the ultrasonic waves propagated on honey with the adulterated substance shows a strong correlation.