News
May 24, 2022
…Wherein we’ll learn about the LISST-Portable, and the first Particles in Europe (PiE) conference.
(Part VII can be found here: https://www.sequoiasci.com/article/the-history-of-sequoia-part-vii/)
Way back in the early 2000’s Chuck had an idea for...
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January 8, 2020
January’s featured paper is here! Lepage H, Masson M, Delanghe D, Le Bescond C (2019): Grain Size Analyzers: Results of an Intercomparison Study. SN Applied Sciences (2019) 1:1100 |
Tl;dr: No instrument in particular stood out as better...
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April 2, 2017
This is a simple description. For detailed explanations see articles: Laser Diffraction-101 and -201.
Particle Size Distribution (PSD) is a multi-parameter description of how the total concentration of particles is distributed into many size fractions....
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May 16, 2016
Truly Portable Instrument Reduces Drilling Costs
UPDATED 15 AUGUST 2017
The size distribution of drilling muds is frequently adjusted during the drilling process. As such, the particle size distribution must be measured frequently, several times a day....
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April 29, 2016
Last updated: 11 May 2016
Turbidity as a surrogate for suspended sediment concentration (SSC) is commonly used and deeply established in practice. The shortcomings of turbidity as a surrogate for SSC are:
The calibration changes with grain size;
The...
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