Latest News and Application Notes

All About Aluminum: The New H836EN

May 20, 2022

Once more expensive than gold, aluminum has not lost its value over the years, only its price tag. Thanks to revolutionary methods of production largely developed in the late 1800s, the price of aluminum dropped from $34 an ounce in 1852 ($1,276 in 2022 dollars) to just $0.09 an ounce today. As a low-density, high-strength, corrosion-resistant metal, aluminum's usefulness has led to incredible consumption in many industries from transportation to packaging.

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Automating Better Water: The TGA and Water Treatment

May 13, 2022

Clean, safe water is a cornerstone of life itself, and the ability to properly process and treat wastewater is a key component in environmental preservation. As such, water treatment plants such as Veritas S. p. A (Veneziana Energia Risorse Idriche Territorio Ambiente e Servizi) are a critical part of water infrastructure, and the analytical methods they use are a critical part of water treatment.

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Juicing Juice: Determining Protein with the FP928

April 22, 2022

Year after year, the popularity of juice continues to rise. As consumers become more health- and environmentally-conscious, juice has risen to the forefront as a sustainable, vegan, and nutritious beverage option. It certainly doesn't hurt that with the pandemic, people have shifted to entertaining at home and making their own mixed drinks with juices as mixers. But how does juice actually hold up to nutritional demands?

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Thermogravimetric: Automated

April 1, 2022

Traditional thermogravimetric analyses such as loss-on-drying or loss-on-ignition techniques are long processes with many manual steps as samples are measured and transferred and re-measured to determine the loss. Every touch increases labor requirements and the chance for operator error. But there's a better way.

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Ferroalloy Factors: Oxygen and Nitrogen Determination

March 18, 2022

Most iron products these days are improved with the addition of ferroalloys, or iron alloys containing high levels of other primary elements. Ferroalloys are everywhere from cast iron to stainless steel. These extra elements help strengthen the metal by adding their own characteristics: silicon is used to deoxidize steel, manganese mitigates harmful effects of sulfur, and chromium increases corrosion resistance, to name just a few. But adding to iron is not without risk; if unwanted elements are part of the ferroalloy, they can weaken the resulting products.

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Don't Suffer your Sulfur in Portland Cement with the SC832

January 28, 2022

Portland cement, one of the most ubiquitous building materials in the world, is not all the same. There are five standardized types of Portland cement classified by the ASTM C150 standard, and each of these different types have different best-use cases. Part of what distinguishes these types of cement is the concentrations of carbon and sulfur in the precursor materials. Sulfur is especially important in determining the final chemical resistances of the Portland cement, so knowing the sulfur concentration is critical to correctly determining the type and quality of the final material.

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Unpack the Protein with the FP928

November 24, 2021

This Thursday, November 25, most Americans will be sitting down to a Thanksgiving meal, with approximately 95% eating some form of turkey. The National Turkey Federation (NTF) estimates that 46 million turkeys are eaten on Thanksgiving. At an average weight of 15 pounds per bird, this adds up to approximately 690 million pounds of turkey in a single day. But how much protein is in that turkey? LECO took a look.

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Revising the Standards: Volatile Matter in Coal and Biofuels

October 15, 2021

Coal and other biofuels are no different from every other substance that can be bought and sold: the quality of the material plays a huge role in the determination of the price. With coal and other solid fuels, the amount of volatile matter is the main factor in quality, as this determines the burning rates of the fuel. While the volatile matter value does rely on the type of fuel and moisture content of said fuel being tested, it also varies based on the heating rates used in the tests to determine the value.

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Vertical vs Horizontal Furnaces: The Dumas Method for Protein Determination

September 24, 2021

Over the last thirty years, the Dumas combustion method for analyzing protein content in food has been gaining popularity against the classic Kjeldahl wet chemical digestion and titration method. The Dumas method has several advantages over the Kjeldahl method: it is much faster, with much lower operating costs, no real safety issues, and no toxic waste produced. However, there is a debate over which of the two main approaches to the Dumas method is better: a vertical or a horizontal combustion furnace.

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Oxygen, Nitrogen, and Hydrogen Determination: Helium vs Argon

September 17, 2021

The supply of helium for laboratories hasn't been as shaky lately as it has been in recent years, but the price of helium continues to rise. In the meantime, replacement gases keep being tested.


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