Author Archives: Joe Wolfgang


Joe Wolfgang has 22+ years of laser diffraction particle size experience, in sales and technical support throughout North and South America. Accomplished expert in dry powders, suspensions, and also sprays. Helped numerous customers transfer particle size test methods between sites and between instruments.

Published 12 Jun 2019

The results are in …running the same sample on 100 different Mastersizer 3000s

The optical performance of a laser diffraction system is verified by measuring standard reference materials. The performance of every laser diffraction optical bench produced by Malvern Panalytical is tested using a range of National Institute of Standards and Technology (NIST) traceable latex…READ MORE >

Published 1 Nov 2018

The Mastersizer is the choice for particle size research – but don’t just take our word for it

Are you pondering which laser diffraction particle size analyzer to use for your scientific research? Many people consider the number of Google Scholar publication references as an indicator of acceptance of a particular scientific instrument’s technique, performance, and value. The…READ MORE >

Published 31 Oct 2018

“It’s impossible to know what happens in the fog of war”

“It’s impossible to know what happens in the fog of war” said a former US Secretary of State.  But the scientists at Sandia Labs in New Mexico are working to fix that, with the help of a Spraytec laser diffraction…READ MORE >

Published 22 Nov 2012

Cough and sneeze time!

A potential customer in Florida said they would purchase a Spraytec system if we could show that we can measure the droplets in both a cough and a sneeze. I was with another Malvern Engineer at a customer site at the…READ MORE >

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Published 19 Jul 2012

The vast unknown world of spray measurement

When Malvern sells a Mastersizer, the sample introduction is pretty much a known entity….a powder, or a suspension. There isn’t much mess created, much discomfort during the measurement, or surprises. Measuring sprays is a different world, as we must adapt…READ MORE >

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