Dissolved gases are gases that are naturally present in water...

Inorganic ions are dissolved mineral salts and charged impurities present...

Organic compounds are carbon-based impurities that may be present in...

Particulates are suspended solid particles present in water. These may...

Microorganisms are living biological contaminants that may be present in...

Endotoxins are biological molecules released from the outer membrane of...

Silica is a naturally occurring impurity found in many water...

Boron is a weakly ionized impurity that may be present...