LECO Africa Latest News (Page 4 of 63)

So many factors go into the quality and characterization of plants and biomass, but many thermogravimetric analyses take so much time. Drying, ashing, and weighing multiple samples takes effort and care just to control for atmospheric effects, much less to actually get precise results that can then be used to analyze the quality and structure of the plants. LECO's TGA801 is an automated thermogravimetric analyzer designed to take the time out of the testing.

What is Gas Chromatography - Mass Spectrometry (GC-MS)?

Gas Chromatography – Mass Spectrometry (GC-MS, GCMS or GC/MS) is an analytical method that is used to determine the composition of substances within a test sample. As the name describes, the system is composed of a gas chromatograph to separate the substances (analytes) and a mass spectrometer to identify these analytes. This is the gold standard for analysis in many fields such as forensics or petrochemical studies as GC-MS allows for the unequivocal identification of substances.

Environmental Safety is more than just a pipe dream, it is the survival of the human race. We only have this one beautiful planet and the damage we do to it will resonate past our grandchildren’s generation. Just like the wings of a butterfly in South Africa can cause a storm in China, so too can an environmental spill resonate around the globe.

Water Safety is more than just a pipe dream, it is a basic human right. Too often, our rights have been limited to: “Access to drinking water”, without taking into consideration what this means. At LECO Africa, we believe that the right is: “Access to SAFE drinking water.”

LECO has released a revolutionary new data analysis software for GCxGC data: ChromaTOF Tile. This software provides an industry-first data comparison tool that identifies statistically significant differences between classes of samples, reducing days-to- weeks of work down to hours, or even minutes. Based on Dr. Robert Synovec’s tile-based Fisher ratio analysis, ChromaTOF Tile partitions the data into a set of regions (tiles) and compares regionalized data. This allows it to disregard normal variances of alignment shifts to focus on where the actual differences are, so users can stop looking at their data and start actually using it.

Tomatoes are the second-most important vegetable crop in the world (arguments over whether or not it should be called a fruit or a vegetable aside!), and thus it is critically important that tomato yields are kept high. Pesticides are the easiest way to control populations that might destroy crops, but we must make sure that the resulting tomatoes are not contaminated. With GCxGC-TOFMS, recognizing and identifying pesticide residue in tomatoes is easier than ever.

To accurately perform a metallographic analysis of a sample, the preparation is critical. The microstructure and hardness of your sample has to be unveiled, and you have to be able to trust that what you're seeing is what is actually there and not just something inadvertently created in the preparation stages. When it comes to metallographic preparation, you really can't skip a step.

The international language of standards allows us to communicate our quality in a way any scientist can understand: with proven, reliable, and repeatable results. 

When the TruMac® Macro Determinator at the Southern African Grain Laboratory (SAGL) needed to be replaced, laboratory manager Jolanda Nortjé returned to LECO for an updated solution. For the past twenty years, LECO had been providing the SAGL with excellent service support, and their TruMac and previous nitrogen analyzers had been LECO products they were very satisfied with. At the end of 2019, trusting LECO again, the SAGL purchased a LECO FP928 to replace their TruMac.