LISST-HOLO concentration limits [Sequoia, June 7, 2011] The article ‘LISST Concentration Limits‘ describes how to compute the upper concentration limits for the LISST instruments. However, the results in that article does...
How LISST works! [Sequoia, April 15, 2011] 1. The Ring Detector 2. How Particle Sizes and Measurement Angles are Selected 3. Origin of the Matrix Formulation – It’s just algebra 4. Inversion of Data – the Information Content...
How LISST Works! [Sequoia, April 14, 2011] Laser Diffraction 101 Sequoia realizes that for some people, the principle behind laser diffraction seems difficult to understand. The purpose of this article and ‘Laser Diffraction 201’...
[Sequoia, April 5, 2011] ppm vs concentration in mg/l or µl/l? How is ppm related to concentration? ppm means parts-per-million. But what parts? The amount of particles in a suspension can be expressed as the total volume OR total mass of particles in...
Size Bins for use with Matrices based on Randomly Shaped Grains [Sequoia, March 18, 2011] The tables below tabulate the values for the Type B and C size bins for inversions based on Sequoia’s matrices for randomly shaped particles....