Acids in wine: GK, General Studies and Current Affairs

IIT-Hyderabad develops smartphone-based sensor to detect adulteration in milk

The researchers at IIT-Hyderabad have developed a smartphone-based system to detect adulteration in milk. The detector system can measure the level of acidity in milk using an indicator paper. The sensor-chip based method measures pH, which is an indicator of the acidity and the colour of the paper indicates different pH levels. The IIT team, ..