Photometric Testing Articles & Analysis
3 articles found
The Challenge: An international photonics manufacturer that builds photometric testing devices for imaging devices in aerospace, medical, optics, and a variety of other industries approached Air Innovations for help in designing an effective sphere spectrometer system to rate the lumens (luminous flux) in light emitting diode bulbs (an LED characterization ...
originally published in Supelco®'s Analytix Reporter Journal Issue 2 2018 by Merck KGaA, Darmstadt, Germany Visit SigmaAldrich.com/ar-reg The quality of drinking water is regulated by a variety of guidelines, such as the EU Council Directive 98/831,2 and WHO guideline.3 The key principles used to define these limits consider both health hazards and sensory and technical reasons. Iron, for ...
originally published in Supelco®'s Analytix Reporter Journal Issue 2 2018 by Merck KGaA, Darmstadt, Germany Visit SigmaAldrich.com/ar-reg Phosphorus is an essential element for organisms and plants.1 In natural, uncontaminated waters, it occurs as organically bound phosphate, condensed phosphates or as orthophosphate - often referred to by its chemical formula PO4-P. The small quantity of ...