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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 - TC and TOC determination in Sludge
Sewage sludge generated from wastewater treatment plants are being merited greater attention in light of their potential for improving soil properties and for providing important nutrient and trace element supplements that are essential for plant growth. TOC determination is important because high levels in soils prevent the anaerobic digestion process and limit the subsoils nitrogen enrichment.
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
Guidelines for choosing the correct Velp Kjtabs in Kjeldahl Analysis
The digestion phase is the most time-consuming step of the Kjeldahl analysis. Speeding up the process and ensuring a proper outcome is of fundamental importance when it comes to efficiency in the laboratory.
VELP designed seven different types of accurately pre-dosed KjTabs™ tablets to speed up the mineralization process. Along with catalysts, VELP produces antifoaming KjTabs™ to reduce foam formation during the initial phase of the mineralization process.
Analytical Instruments
ConsumablesDigestion Units
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
VELP Scientifica Srl
Via Stazione, 16
20865 Usmate (MB) - Italy
Tel. + 39 039 628811
VELP Scientific, Inc
40, Burt Drive, Unit #1, Deer Park
NY 11729 - U.S.
Tel. +1 631 573 6002
VELP China Co. Ltd.
Room 828, Building 1, No.778 Jinji Road
Pudong New Area, Shanghai, China
Tel. 400-089-8029

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