Latest News and Application Notes

Precision vs Speed: Are They at Odds?

January 27, 2023

In the race between the tortoise and the hare, which style of instrument analysis is best for your lab? Slow and steady or fast and loose? Unlike the fable, however, there is no one-size-fits-all approach to elemental analysis, and that is precisely why LECO's instruments do not employ one-size-fits-all methods.

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Biomass to Markets: Determining Value

January 20, 2023

As global industrialization has increased, so too has global waste. Over 2.6 trillion pounds of waste are generated worldwide each year. Energy demands continue to grow year over year, and the Earth's population is looking toward greener solutions. Those 2.6 trillion pounds of trash may be waste now, but some of it may be suitable as biomass.

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Detailed Analysis: Easy Whisky Characterization

January 13, 2023

How do you handle the analysis and characterization of a complex sample like whisky*? In a recent interview with eFood Lab International, Dr. Geraint (Taff) Morgan of the Applied Science & Technology Group at the Open University, UK, says a 1D quadrupole GC-MS is sufficient for routine analysis, but when he really wants to dig into the non-target analysis of a complex sample, he turns to GC-TOFMS and GCxGC-TOFMS, such as that employed by the LECO Pegasus® BT 4D.

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Dairy Determination with the FP928

December 9, 2022

Got milk? The infamous advertising campaign started in 1993 for the California Milk Processor Board and was an instant success. The strength of the advertisements stays true even today, with 90% of all Americans aware of the slogan. Though the campaign has been retired in all but California these days, the dairy industry is continuing to grow around the world. A huge part of this forecasted growth comes from the growing interest in dairy protein.

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Whiskey* Differences: Sync into your glass

December 2, 2022

If you make the same thing the same way every time, you would expect to get the same results. But anyone working in a quality control lab knows just how much variability there can be on the same line, especially when working with organic materials such as those used to make whiskey. Small changes in temperature or atmospheric humidity, or the quality of the initial mash or final barrels can change the aroma profiles of the final products, and the aroma profiles themselves can be the first indicator of a problem on the production line if they can be analyzed and characterized with enough speed and confidence.

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Avoiding Embrittlement with the H836EN

November 4, 2022

In 2013, as the eastern span replacement of the San Francisco-Oakland Bay Bridge was drawing to a close, 277 vertical steel rods to improve the seismic stability of the replacement were tested under tension using three-inch-diameter bolts. Within two weeks, 32 of the steel rods had snapped. 277 of these rods were used in the $6.5 billion construction project, but only 96 were accessible. Metal testing suggested hydrogen embrittlement during the manufacturing of the rods may have caused the failures. Thankfully, this was able to be corrected before the bridge opened, but it was a major setback in the construction.

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Sync into your Chardonnay with the Pegasus BT

September 30, 2022

When it comes to comparing sets of sample data, being able to synchronize your results can help you get a broad overview at a glance. A visual comparison of your chromatograms may not be enough, especially not when your analytes are coeluting. ChromaTOF® Sync is a powerful new data processing tool that will gather all of your data into one place, making it easy to highlight trends and spot significant and subtle differences between your samples.

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Sulfur in the Fields: S832 and CNS928

August 26, 2022

Sulfur is an essential nutrient in crop production. It is vital for the production of chlorophyll and several amino acids that form protein, among other functions in plants. In recent years, the world has been paying more attention to sulfur emissions, trying to minimize SO2 in the air, which in turn minimizes the sulfur deposited naturally in the fields. When combined with the trend toward high-yield crop production in many areas of the world, knowing the actual level of sulfur in your fields has become even more important. Sulfur can also be measured in plant tissues, and then, of course, knowing the sulfur content of fertilizer is also necessary to correct any sulfur deficiencies or excess in your fields. All of these sulfur determinations can be handled with a single combustion instrument from LECO.

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Heavy Fuel Oil Requires Heavy Lifting

August 19, 2022

Heavy fuel oil, also known as bunker fuel or residual fuel oil, is a complex mixture used primarily in the shipping industry. Over the years, the regulations on heavy fuel oil have become more stringent to control sulfur emissions that were damaging to the environment. As a result, this type of fuel is frequently limited to 0.5% sulfur by mass, and it is therefore critical to know the composition of your oil. Such a complex sample requires the sort of heavy lifting that can only be provided by a high-tech, high-resolution GCxGC mass spectrometer.

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Escaping Helium: Helium Shortage 4.0

July 15, 2022

Many LECO analytical instrument rely on consumables like pure chemical and high purity gases to function. When supply chain issues affect these consumables, laboratory operations can quickly increase in cost or in worst case scenarios can even be shut down. One current issue that is plaguing the scientific community is the supply of helium.

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