Hexagon Nutrition Microbiologist Interview Questions and Answers

PH is a measure of acidity or alkalinity of a solution. It ranges from 0 to 14.

• PH stands for 'potential of hydrogen'

• It is measured on a scale of 0 to 14

• A pH of 7 is considered neutral, below 7 is acidic, and above 7 is alkaline

• PH is important in many industries including food, pharmaceuticals, and water treatment

UV stands for ultraviolet. UV-Vis spectrometer measures the absorption of light in the UV and visible region.

• UV is a type of electromagnetic radiation with a wavelength shorter than visible light.

• UV-Vis spectrometer measures the amount of light absorbed by a sample in the UV and visible region.

• The principle of UV-Vis spectrometer is based on Beer-Lambert law which states that the absorbance of a sample is directly prop...read more

TDS stands for Total Dissolved Solids. It refers to the total amount of inorganic and organic substances present in water.

• TDS is a measure of the concentration of dissolved solids in water.

• It includes both organic and inorganic substances such as minerals, salts, and metals.

• TDS is usually measured in parts per million (ppm) or milligrams per liter (mg/L).

• The acceptable TDS level for drinking water is generally below 50...read more