Jar Test and leaching test

Environmental analysis is crucial for safeguarding public health and protecting our planet. To achieve this, scientists and engineers employ a variety of techniques to assess the quality of water, soil, and air. Among these, the jar test and leaching test hold significant importance. These laboratory procedures provide valuable insights into the treatment of water and the potential environmental impact of solid waste.

1. Flocculation and Jar Testing in Water and Wastewater Treatment Plants

Flocculation is a process for separating dispersed particles in a fluid by adding a flocculating agent. The flocculating agent, typically a chemical substance, induces particle aggregation, forming larger and more easily separable aggregates. Flocculation is essential in a wide range of applications, especially within wastewater treatment plants, where it is used to remove suspended particles from water and improve its quality. This test allows the operator to determine the optimal dosage of coagulants and flocculants needed to effectively remove particles and suspended pollutants.

2. Leaching Test and Heavy Metal Detection

Leaching testing is a method used to determine the quantity of a solute that can be released from a solid into a solvent. The test involves agitating the solid in the solvent for a defined period and then measuring the solute's concentration dissolved in the solvent. Specifically, leaching tests can be used to detect harmful substances in aqueous solutions by using acetic acid as the solvent, as it can dissolve a wide range of heavy metals.

VELP offers a comprehensive range of solutions for Jar and Leaching tests, known for their quality, reliability, and ease of use. VELP products are designed to meet the diverse needs of laboratories, ensuring maximum resistance to chemical and mechanical corrosion and the best reproducibility.

JLT and FCS series of flocculators, with multiple agitation stations and precise speed control through electronically controlled DC gear motors, guarantee standard operating conditions, a fundamental requirement for obtaining reliable results according to ASTM D-2035 (Jar Test) and ASTM C 1308-21 (Leaching Test) reference methods;
FP4 is a portable flocculator designed for on-site use, providing immediate results.

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FP4 Portable Flocculator

Portable flocculator featuring digital display, a powerful brushless motor, a central lighting system, and a practical handle for comfortable and reliable on-site Jar Test and Leaching Test.

FC S Series Flocculators with Independent Positions

Flocculators with adjustable stirring speeds, a powerful brushless motor, and an illuminated back panel. Available in 4 or 6 positions, the FC S series allows parallel testing under varying conditions, ideal for Jar Test and Leaching Test.

JLT Series Flocculators

Digital flocculators featuring adjustable stirring speed and timer, a powerful brushless motor, and an illuminated back panel. Available in 4- and 6-position, the JLT series provides standard and repeatable conditions for Jar Test and Leaching Test.