Laboratory Solutions


Recent Posts

FLSmidth Hosts User Day for Cement and Lime Industry Professionals

[fa icon="calendar'] Oct 24, 2016 4:46:55 PM / by Dave Coler posted in XRF, cement, XRD, lime

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Changing environmental regulations, current demands for plants to operate 24/7/365 and challenges balancing increased quality against lowering production costs add to the complexity of cement and lime plant operation today.

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Automated Sample Preparation for the XRF Analysis of Potash

[fa icon="calendar'] Nov 19, 2015 4:35:03 PM / by Dave Coler posted in XRF, Sample Preparation, Potash

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In previous Blog posts I have discussed the importance of high quality sample preparation for XRF analysis.   In this post I would like to highlight a specific example of the benefit of automated high quality sample preparation for the XRF analysis of potash.

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How to Combat Contamination

[fa icon="calendar'] Oct 30, 2015 1:05:22 PM / by Dave Coler posted in XRF, Sample Preparation

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One of the key challenges to good XRF sample preparation is contamination. Contamination comes from two main sources: the sample preparation device and sample to sample cross contamination.

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TOP XRF Educational Resources

[fa icon="calendar'] Oct 27, 2015 12:09:00 PM / by Dave Coler posted in XRF, Sample Preparation, XRF Analysis

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XRF or X-Ray Fluorescence spectrometry is an elegant chemical analysis technique used frequently in many industries for quality control of materials and R&D.  Despite its widespread use in industry it is an analytical technique rarely encountered by students in colleges and universities, especially in the United States.   The rare exceptions to this are the geology departments in a few institutions where the technique is still used for geochemical studies.  XRF units are pretty user friendly and durable as analytical instrumentation goes and quite forgiving equipment for students to learn on.   I was fortunate to be introduced to XRF in the early 1990's at Franklin and Marshall College through an undergraduate research project.  It was an old Diano dual tube system with a built in keyboard that looked like something out of 1960's Star Trek episode.  I remember think how cool it was that we were entrusted to run the system and collect data by ourselves. Thus began my fascination with X-ray techniques and analytical geochemistry.

Outside of vendor specific educational courses it can be difficult to educate yourself or your employees about the best uses of this technique so I have assembled some of the top educational resources I have used in my career in the industry.

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Top 5 Things to Consider when Making Pressed Pellets for XRF Analysis

[fa icon="calendar'] Aug 11, 2015 1:11:00 PM / by Dave Coler posted in XRF, Sample Preparation, Pressed Pellets

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One of the most common methods of preparing samples for XRF analysis is by making pressed pellets.  This process is particularly popular as it produces high quality results, is relatively quick and is a low cost approach.  The process also lends itself to simple and cost effective automation for higher throughput laboratories.

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The 5 most common ways to prepare samples for XRF analysis

[fa icon="calendar'] Jun 29, 2015 2:44:00 PM / by Dave Coler posted in XRF, Sample Preparation, XRF Analysis, Fused Beads, Pressed Pellets

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Sample Preparation for XRF Analysis

XRF( X-ray Fluorescence Spectrometry) is a comparative chemical analysis technique that is capable of analyzing a wide range of materials in different forms for a large part of the periodic table.   This versatility makes it applicable to a wide range of applications: from quality control for steel, to the analysis of sulfur in gasoline to heavy metals in plastics and electronics.  XRF can analyze almost any material you can present to the spectrometer, but the better you prepare a sample the more accurate your analytical results.  

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What is XRF ?

[fa icon="calendar'] May 20, 2015 1:52:29 PM / by Dave Coler posted in XRF, Sample Preparation, XRF Analysis

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What Is XRF ?

XRF or X-ray Fluorescence spectrometry, is a chemical analysis technique used to determine the chemical composition of a wide range of bulk solids, liquids and slurries.  The technique is most commonly used for the quality control of materials in industrial applications in the cement, steel and mining and similar industries.  It is also often used in the petrochemical industry to monitor the sulfur content of fuels and the quality control of plastics. XRF is a versatile tool and is also found in many university geology departments where its ability to measure a wide range of elements and simple operation make it an extremely useful tool.

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