This paper introduces the physical basis, instrument and equipment, methodology and technology which to find associated mineral for field X-ray fluorescence determination.

The unsweetened yogurt is featured by a slight hint of effervescence, something most users will have previously associated only with mineral waters, soda or beer.

Pumpkin seeds: the most nutritious part of the pumpkin and packed with magnesium; high levels of the mineral are associated with lower risk for early death.