pH measurements; hands-on learning; Chemistry Education & accessibility. In this context, it is interesting the use of red cabbage as natural pigment source for pH measurement being known as ...

MANILA, Philippines — The Supreme Court has ruled that a physician who properly advises a patient, explains the risks of a procedure and obtains informed consent cannot be held liable for medical ...

Yozo Shimada and Kazuhiro Shimaoka, Electromagnetic Waves Division, the Metrology Institute of Japan of the National Institute of Advanced Industrial Science and Technology (AIST; President: Ryoji ...

We may receive a commission on purchases made from links. A proper soil pH is key to the success of your garden, with most plants enjoying a soil with a pH between 6.2 and 6.8. While you could use ...

Purdue Extension Educators frequently encourage homeowners to get soil tests when they want to grow new plants in an area, or try to diagnose what’s wrong with plants currently growing. One key ...

Calibration solutions degrade over time, losing their ability to provide an accurate reference point for the meter. Similarly, contamination of calibration solutions also significantly impacts meter ...

A pH meter is an essential tool in various industries, including laboratories, food and beverage processing, pharmaceuticals, and agriculture. Maintaining the accuracy of this device is crucial to ...

Understanding the pH level of a solution is crucial in various industries, including agriculture, healthcare, and food production. Accurate pH testing methods ensure the quality, safety, and ...

Abstract: To address the issue of measurement errors in ultrasonic water meters caused by various interfering factors during the flow calibration process, this study proposes a highly automated and ...

What is pH sensor calibration? Calibration is the determination of the parameters of the calibration curve: slope and offset. The perfect electrode has a slope of 100% and an offset of 0 mV at pH 7.00 ...