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SOIL, SLUDGE AND SEDIMENTS

SOIL, SLUDGE AND SEDIMENTS

Our mission is to provide relevant information relatively to important parameters of environmental analysis such as the determination of carbon, nitrogen, POPs in soils, sludge and sediments.

Carbon and nitrogen concentrations as well as the presence of contaminants are important values for environmental analysis and VELP, therefore, aims to provide innovative solutions for these analytical measurements.

We work closely with our customers to address the related challenges:

Carbon Determination (TOC and TIC)
Carbon-nitrogen ratio
Determination of nitrogen
Oil and fat residues extraction
Sample preparation for analysis of PCBs, dioxins and other contaminants

Application notes

Choose among a comprehensive library of Application Notes / White Papers and learn more on how to optimize the performance of your VELP instruments. These documents offer typical analyses of well-known samples, together with official references and suggestions, to make you an expert!

BMP – Biochemical Methane Potential – determination in Sludge

Biochemical Methane Potential is an anaerobic analysis that consist in small scale reproduction under optimal conditions of the anaerobic digestion of the complex organic molecule in order to have simpler molecules, with the final production of biogas. Find out how to determine the BMP of sludges from the municipal sewage plant.

Laboratory Equipment

BOD and Respirometers

CHNS Determination in reference soil samples

Find out how to determine Carbon, Hydrogen, Nitrogen, and Sulfur in soil samples.

Analytical Instruments

Elemental analyzers

CN 802 - Total Carbon and Nitrogen Determination in Soil

The C:N ratio is important because it has a direct impact on residue decomposition and also nitrogen cycling in soils. The performance of the VELP CN 802 was evaluated by participating in the Proficiency Testing program organized by WEPAL (Wageningen Evaluating Programs for Analytical Laboratories).

Analytical Instruments

Elemental analyzers

Determination of Microbial Soil Respiration with Respirometric Sensor System for Soil Analysis

Learn about RESPIROMETRIC Sensor System for Soil Analysis; VELP's laboratory equipment designed to measure the soil respiration in order to:
- determine the soil microbial activity;
- establish the effect of additives (nutrients, pollutants, soil improvers, etc.) on the metabolic performance of microorganisms;
- determine the microbial biomass.

Laboratory Equipment

BOD and Respirometers

Determination of the Ultimate Aerobic Biodegradability of Plastic Materials in Soil with Respirometric Sensor System

Learn how to obtain the optimal rate of plastic material biodegradation in test soil by controlling soil moisture, as well as, determining the ultimate biodegradability of the material itself. A non-specific soil is used as the inoculum because the test simulates the processes of biodegradation that occurs in a natural environment.

Laboratory Equipment

BOD and Respirometers

SER 158 - Determination of PCBs in Sediment Samples

PCBs are actively monitored in different abiotic matrices (sludge, soil, sediment) and biotic matrices with restrictive limits on the dioxin-like congeners. Download the Application note to discover SER 158 performance in PCBs in sediment samples.

Analytical Instruments

Solvent Extraction

Total Carbon, Nitrogen and TOC Determination in reference soils and sediment samples

Find out how to determine total Carbon, Nitrogen and TOC in soils and sediment samples.

Analytical Instruments

Elemental analyzers

Related solutions

Elemental Analyzers

Elemental Analyzers N/Protein, Carbon Nitrogen and CHNS-O elemental analyzers

Distillation Units

Distillation Units Distillers with different levels of automation and productivity for the determination of nitrogen, protein, volatile acids, TVBN, ammonium, alcohol and other parameters.

Digestion Units

Digestion Units Fully automatic and semi-automatic digesters with aluminium heating block.

Solvent Extractors

Solvent Extractors Fully automatic and semiautomatic solvent extractors for fat extraction and sample preparation.

Flocculators Laboratory and portable flocculators for on-site Jar tests.

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Tag:Nitrogen Determination in Soils