BWB’s award winning flame photometers offer unrivalled accuracy, low cost and ease of use for measuring Lithium, Sodium, Potassium, Calcium & Barium in a range of applications, in food and beverage, ...

FLAME photometric analysis 1 of cations in biological fluids and tissues is, because of its simplicity, rapidity and greater accuracy, replacing laborious chemical procedures. The vaporization of ...

MOST methods of heterochromatic photometry currently employed are based on dual optical systems, consisting of two beams of light which pass through appropriate filters and fall on two photo-cells. We ...