A material’s hardness relates to its mechanical resistance when subjected to mechanical indentation by another harder body. Diamond is considered the hardest natural material and is typically used for ...

The most probable number (MPN) bioburden test method can be a valuable tool for determining bioburden counts when the typical bioburden test methods are problematic on a particular product or when a ...

There are a multitude of available test procedures and methods for water and wastewater treatment operators. They range from colorimetric, titrimetric, electrometric (meter & probe), turbimetric, ...