<p><strong>As agriculture practices shift to be more sustainable and regenerative, the focus on soil health is growing—soil is no longer seen as just a growing medium, but as a living, teeming ecosystem. At the heart of this transformation is Total Organic Carbon (TOC), a key indicator of soil vitality, fertility, and its ability to sequester carbon from the atmosphere. Measuring soil organic carbon helps growers understand the biological health of their fields and track the effectiveness of regenerative agriculture practices.</strong></p><h3><strong>Why Total Organic Carbon in Soil Matters for Regenerative Agriculture</strong></h3><p>TOC represents the carbon stored in soil organic matter, which plays a vital role in supporting microbial life, improving nutrient availability, and enhancing soil structure. These benefits translate directly into better water retention, reduced erosion, and more resilient crops—all essential outcomes for regenerative systems aiming to restore ecosystems while maintaining productivity.</p><p>TOC is also central to carbon sequestration within soils, a cornerstone of climate-smart agriculture. By increasing organic carbon in soils, farmers can help to store carbon from the atmosphere while also improving long-term soil fertility. Practices like intensive tillage or overharvesting can deplete organic carbon in soil. That’s why routine, precise analysis is essential for maintaining and improving soil health over time.</p><h3><strong>TOC Analysis: A Critical Step Toward Smarter Soil Management</strong></h3><p>To harness the benefits of organic carbon, growers must first understand how much is present in their soil. Regular TOC analysis allows farmers to:</p><ul><li>Track the impact of regenerative practices like cover cropping, reduced tillage, and compost application.</li><li>Optimize soil amendments to build organic matter without over-applying inputs.</li><li>Monitor carbon sequestration progress as part of sustainability or carbon programs.</li></ul><h3><strong>Fast, Accurate TOC Analysis with LECO Solutions</strong></h3><p>The most common method for determining total organic carbon in soil is&nbsp;acid digestion combustion, where inorganic carbon is removed via acid treatment, leaving only the organic fraction for analysis. <a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/products/1883"><strong>LECO’s&nbsp;832 Series</strong>&nbsp;</a>streamlines this process with a high-efficiency combustion furnace and advanced IR detection, delivering&nbsp;fast, accurate, and reproducible results. To further enhance efficiency, <a target="_blank" rel="noopener noreferrer" href="https://www.leco.com/documents/209-141-005/"><strong>LECO’s&nbsp;Non-Porous Ceramic Boats&nbsp;</strong></a>allow acid treatment to occur directly in the combustion vessel, eliminating the need for multiple transfers and reducing the risk of contamination or loss.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/LECO_rada_832_Analyza_spalovanim_pro_stanoveni_siry_a_uhliku_3_0ad3a64b2b.jpg" alt="LECO: The Importance of Analyzing Total Organic Carbon in Soil in Regenerative Agriculture: LECO 832 Series Combustion analysis for Sulfur and Carbon determination" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_LECO_rada_832_Analyza_spalovanim_pro_stanoveni_siry_a_uhliku_3_0ad3a64b2b.jpg 139w," sizes="100vw" width="679" height="760"></p><h3><strong>Supporting the Future of Sustainable, Regenerative Agriculture</strong></h3><p>As regenerative agriculture continues to expand, so does the need for&nbsp;high-throughput, reliable TOC analysis. Whether you’re managing a research lab, supporting carbon farming initiatives, or simply working to improve your&nbsp;soil, LECO’s solutions are designed to meet the demands of modern, sustainability-focused agriculture.</p><p>If you’re interested in learning more about determining total organic carbon, you can read our application note <a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/labrulez-bucket-strapi-h3hsga3/C832_TOTAL_ORGANIC_CARBON_SOIL_ROCK_SHALE_203_821_679_b48939f659.pdf"><strong>“Determination of Total Carbon (TC) and Total Organic Carbon (TOC) in Soil by Acid Digestion and Combustion”</strong></a>, which discusses analysis methods and the advantages of using a<a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/products/1883"><strong> C832 Carbon Analyzer</strong></a>.</p>

The Importance of Analyzing Total Organic Carbon in Soil in Regenerative Agriculture

Direct Characterization of Halogen-Based Microplastics via Single-Event ICP-Mass Spectrometry in Negative-Ion Mode

<p><strong>In the week from August 24, the following webinars await you in the field of atomic and molecular spectroscopy and spectrometry</strong></p><blockquote><h4><a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/webinars"><strong>👉 DETAILS AND REGISTRATION IN THE WEBINARS SECTION</strong></a></h4><p><strong>👉 Search and filter in the largest global database</strong> with over <strong>5 500 GC, LC, MS and spectroscopy webinars</strong>.</p></blockquote><h5><strong>1. Waters Corporation: Foundations of a Sustainable, High-Performing QA Program</strong></h5><ul><li>We, 26.8.2026 17:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/webinar/6448">Registration</a></li></ul><p>Build a sustainable, high-performing QA program in your lab. Learn the four pillars of data quality: method validation, analyst competency, control charting, and certified reference materials.</p><h5><strong>2. Agilent Technologies: Absolute Specular Reflectance made Easy in UV-Vis-NIR</strong></h5><ul><li>Th, 27.8.2026 20:00 CEST</li><li><a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/webinar/6439">Registration</a></li></ul><p>Learn how the Cary 7000 enables accurate specular reflectance and transmission measurements without swapping accessories, supporting fast and precise testing at different angles in UV-Vis-NIR.</p>

Webinars LabRulezICPMS Week 35/2026

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In 1936, the Laboratory Equipment Company introduced the first rapid carbon determinator for the American iron and steel industry.  Today, almost 80 years later, LECO is recognized globally as a leader in the development of high-quality analytical instrumentation, mass spectrometers, comprehensive two-dimensional chromatography, metallography & optical equipment as well as consumables.

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LABTECH Analyser of organically bound halogens and sulphur LTX Unique

The latest model in the line of AOX/EOX analysers is the LTX Unique, which is the successor of the successful LTX-2000+ model

<p><strong>In the last decade, the group parameters of organically bound halogens (AOX, EOX, POX) have become the most monitored indicators in the analysis of environmental samples. What speaks in favour of these group indicators is the constantly increasing number of individual halogenated compounds that need to be monitored in the environment, and the relative speed, simplicity and excellent reproducibility of the entire analytical determination.</strong></p><p>LABTECH has been developing and manufacturing organically bound halogens analysers for over 20 years. The latest model in the line of AOX/EOX analysers is the LTX Unique, which is the successor of the successful LTX-2000+ model.</p><h3><strong>LTX Unique – AOX, EOX, POX and TX analyzer</strong></h3><p>LTX Unique brings easy-to-use, fast and precise determination of halogens to your lab. The modular system is capable to analyze wide range of halogen concentrations in various matrices at high flexibility and low cost operation. It meets with applicable ISO, DIN, EPA and ASTM standards.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/LABTECH_LTX_Unique_AOX_EOX_POX_and_TX_analyzer_6f92cc9a9f.jpg" alt="LABTECH: LTX Unique – AOX, EOX, POX and TX analyzer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_LABTECH_LTX_Unique_AOX_EOX_POX_and_TX_analyzer_6f92cc9a9f.jpg 245w," sizes="100vw" width="800" height="232"></p><h4><strong>Analysis of Adsorbable Organic Halogens (AOX)</strong></h4><p>Most organic halogens are originated during utilization of different kind of solid and liquide materials and compounds which contain chlorine substances. Monitoring of processes like water treatment, bleaching, refinery and many others industrial processes is important to avoid contamination of environment by organic halogens.</p><p><strong>LTX UNIQUE</strong> is designed to measure organic bound halogens in solid and liquid samples. These halogens are determinated as specific groups of parameters:</p><ul><li><strong>AOX</strong> (Adsorbable Organic Halogens)</li><li><strong>EOX</strong> (Extractable Organic Halogens)</li><li><strong>POX </strong>(Purgeable Organic Halogens)</li><li><strong>TX</strong> (Total Organic Halogens)</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/LABTECH_LTX_UNIQUE_Analysis_of_Adsorbable_Organic_Halogens_AOX_e86691384a.jpg" alt="LABTECH: LTX UNIQUE - Analysis of Adsorbable Organic Halogens (AOX)" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_LABTECH_LTX_UNIQUE_Analysis_of_Adsorbable_Organic_Halogens_AOX_e86691384a.jpg 234w," sizes="100vw" width="628" height="419"></p><h4><strong>LTX UNIQUE meets your lab needs</strong></h4><p>This microcoulometric combustion analyzer directly determinates concentrations of usually 10 micrograms per litre in water of organically bound chlorine, bromine and iodine (expressed as chloride or halogens) adsorbable on activated carbon. Higher concentrations are possible by diluting prior to analysis. The AOX analyzer can be used for either <strong>routine determination of halogens</strong> or <strong>R&amp;D</strong> in a wide range of <strong>environmental</strong> and <strong>industrial applications</strong>.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/LABTECH_LTX_UNIQUE_titration_curve_4d327bf3a6.jpg" alt="LABTECH: LTX UNIQUE - titration curve" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_LABTECH_LTX_UNIQUE_titration_curve_4d327bf3a6.jpg 245w," sizes="100vw" width="800" height="269"></p><h4><strong>LTX Unique – highlights of the technology</strong></h4><h5><strong>Furnace</strong></h5><ul><li>High temperature furnace with adjustable temperature control</li><li>Robust combustion tube allows efficient and time-optimized combustion proces</li><li>Pre-treatment before the combustion process</li><li>Same combustion unit for AOX and EOX determination</li></ul><h5><strong>Microcoulometric Titration</strong></h5><ul><li>Durable and easy-to-use titration cell designed by Labtech</li><li>Wide dynamic range and high stability microcoulometer</li><li>Robust and compact electrodes with low and easy maintenance</li><li>Suitable for a separate determination of halides</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/LABTECH_LTX_UNIQUE_Microcoulometric_Titration_bc21e40ef0.jpg" alt="LABTECH: LTX UNIQUE - Microcoulometric Titration" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_LABTECH_LTX_UNIQUE_Microcoulometric_Titration_bc21e40ef0.jpg 235w," sizes="100vw" width="700" height="464"></p><h5><strong>Sample Introduction and Measurement</strong></h5><ul><li>Measurement of organic halogens in liquide and solid samples</li><li>Both quarts boats and frits are supported</li><li>Fast and easy switch over between AOX and EOX modules conected to the same measurement unit</li><li>Intuitive application SW quides the operator and save time for analysis</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/LABTECH_LTX_UNIQUE_Sample_Introduction_and_Measurement_eec4f7f68e.jpg" alt="LABTECH: LTX UNIQUE - Sample Introduction and Measurement" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_LABTECH_LTX_UNIQUE_Sample_Introduction_and_Measurement_eec4f7f68e.jpg 235w," sizes="100vw" width="700" height="464"></p><h4><strong>Determination of Organic Halogens</strong></h4><p>LTX Unique meets with all requirement in AOX analysis and other international and local standards are also supported (e.g. EOX, POX and TX methods). Halogens can be determined from a wide range of matrices by combustion process and microcoulemetric measurement. The following examples can give an overview how organically bound halogens are determinated:</p><ul><li><h5><strong>AOX (Adsorbable Organic Halogens)</strong></h5><ul><li>according to ISO 9562, DIN EN 9562, DIN 38 414-S18, ASTM D 4744-89, EPA Method 450.1, EPA Test Method 9020</li><li>Halogens are measured by sorption of organohalides from the aqueous sample on activated charcoal according to standardizes procedures. This charcoal is introduced to cumbustion tube.</li></ul></li><li><h5><strong>EOX (Extractable Organic Halogens)</strong></h5><ul><li>according to NEN 6402, DIN 38409-H8, DIN 38414-S17.</li><li>These organic halogens are determinated by extraction with low polar solvent.</li></ul></li><li><h5><strong>POX (Purgeable Organic Halogens)</strong></h5><ul><li>according DIN 38414-S17, EPA Test Method 9021</li><li>Volatile organic halogens as purched components are measured from water or suspension in inert gas at certain temperature.</li></ul></li><li><h5><strong>TX (Total Organic Halogens)</strong></h5><ul><li>according to EPA 9076</li><li>Determination of TX is run on a wide range of liquid hydrocarbon samples without any separation.</li></ul></li></ul><h4><strong>Specifications of LTX UNIQUE</strong></h4><ul><li><strong>Dimensions:</strong> 970 x 360 x 295 mm (W x D x H)</li><li><strong>Weight: </strong>27 kg</li><li><strong>Furnace temp</strong>.: Max. 1100 °C</li><li><strong>Power supply:</strong> 230 V / 50 Hz, max.1100 W</li><li><strong>Gas requirements: </strong>Oxygen 99.6 % (AOX/EOX)</li><li><strong>Argon: </strong>99.996 % (EOX)</li><li><strong>Software: </strong>ENGINE LT</li><li><strong>PC: </strong>Windows® 10</li><li><strong>Detector: </strong>Microcoulometer with Ag indication electrode</li><li><strong>Titration currents:</strong> 2000, 200, 20 and 2 uA</li><li><strong>Measuring range:</strong> 0,1 - 300 µg Cl-</li><li><strong>Limit of detection: </strong>0,02 µg Cl-</li></ul>

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The Importance of Analyzing Total Organic Carbon in Soil in Regenerative Agriculture

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