Home >
Applications

Applications

VELP provides many laboratory instruments and solutions, able to improve your productivity and simplify your daily activities.

Select the application and find which VELP innovative analytical instrument can match your requirements...

Analysis of Eluates - Sample Preparation

Evaluate the solubility in water of pollutants present in sludge, sediments and solid waste.

Heating

For efficient sample heating and tempering, a hotplate is required. An aluminum top offers the best conductivity and an excellent thermal homogeneity, whereas ceramic ensures the best possible chemical resistance and allows to reach higher temperature.

Heating Circulation

Heating circulation is extremely important when facing sample preparation or pre-analysis treatments, temperature control or thermostating, academic and material testing. It is extremely important to use a solution that is heated up homogeneously and accurately, in order to ensure the same conditions are applied to all the samples.

Homogenizing

Disperse, homogenize and mix biological tissues (cells, animal and vegetal tissues) in pharmaceutical samples, cosmetics and food products.

Incubation

Refrigerated thermostats can be used to keep any product at a constant temperature. For those applications where the monitoring of the sample is extremely important, incubators offer the possibility of visually examining the contents without interfering with the thermal cycle in progress.

Mixing / Shaking

Vortex mixers are suitable for mixing substances in any shape or size of test-tube thanks to the orbital movement of the rubber cup.

Overhead Stirring

Overhead stirrers are commonly used during solubilization, mixing, emulsification and homogenization.

Stirring

Magnetic stirrers specially designed for chemical, biotechnological, pharmaceutical, microbiological and medical applications such as growing microorganisms, dissolving nutrients and solids and preventing suspended matter from settling during titration.

Stirring & Heating

Hot plate stirrers are widely used instruments for numerous applications. Aluminum or ceramic tops offer different performance, single-place or multi-place, different stirring capacities and speeds: numerous solutions to solve your problems!

Thermoregulation

The temperature set on the heating magnetic stirrer / heating plate might not correspond to the temperature of the sample. Verify the temperature of your sample in a quick and easy way!

Analytical Determination

BOD Analysis

BOD analysis (Biochemical Oxygen Demand) is a chemical procedure for determining the amount of dissolved oxygen consumed by aerobic biological microorganisms in water. BOD analysis is carried out on a given water sample at certain temperature over a specific period.

COD Analysis

COD analysis (Chemical Oxygen Demand) refers to the oxygen used during the oxidation of substances dissolved and suspended in water. In this way, it is possible to determine the amount of chemically oxidizable substances with energy oxidants present in a strongly acidic solution.

VELP Scientifica offers two solutions for COD analysis:
• Photometric method: ECO 8, 16 and 25, which accept tubes Ø 16 or 22 mm (depending on the model), where the sample is directly processable in the photometer;
• Traditional method: DK 6 and 20, plus DKL 20, able to analyze the sample in bigger test tubes (Ø 42 mm), followed by an apposite titration.

In addition to the models mentioned above, ECO 6 allows both the methods: standard configuration includes bigger tubes, but with a dedicated accessory it is possible to perform the COD analysis with Ø 16 mm tube (for a total of 18 positions) or Ø 22 mm (6 positions).
Both the solutions are working in accordance with international standards, including ISO and APHA-AWWA-WPCF.

Elemental Analysis

Elemental Analysis is a process where a sample of a compound is analyzed to determine its elemental composition in a wide range of sample matrices with accuracy and precision. The most common form of elemental analysis is accomplished by combustion analysis.

Fat Determination

Solvent extraction is used to determine the quantity of various components contained in agricultural, industrial or environmental samples. Soxhlet extraction is one of the most widely used analytical techniques. Adaptations of the technique have been introduced over time in order to reduce lengthy extraction times, for example by increasing the temperature of the solvent used.

Fiber Extraction

Fiber analysis is very important to determine the fiber content for nutritional, economic and legal reasons. Fiber is important in order to maintain the digestive system healthy and functional and its quantity has to be declared on the packaging as part of the nutritional table.

JAR Test & Leaching Test

The Jar test is a common laboratory procedure used to determine the optimum operating conditions for water or wastewater treatment whereas leaching test has become more important in recent years as a result of questions about the possible effects of using alternative materials (formerly wastes) as fuels, or alternative raw materials as fertilizers in agriculture.

Nitrogen/Protein Determination

Nitrogen is one of the most commonly occurring elements in nature. Its determination has a long history in the area of analytical chemistry and a wide range of application, including food and feed, environmental, chemical and pharmaceutical samples. In a food and feed product, the estimation of nitrogen gives the protein content when multiplied by a factor, then the total protein content can be determined.

Kjeldahl and Dumas are the two official methods for nitrogen analysis.

Shelf Life Investigations

Oxidative stability is one of the most important characteristics that should be evaluated on a food product. The chemical reactions occurring between oxygen and several sensitive components of foods are one of the most important causes of quality alteration of food products. In particular, the rancidity, that is the auto-oxidation of fats/lipids contained in foods, is one of the main factors affecting their shelf-life.

Trace Determination of Heavy Metals

The environmental risk represented by trace metals is due to their toxicity but also to the possible bio-concentration that can reach human beings through the food chain.

Turbidity

Turbidity is one of the most commonly used parameters for determining the quality of water. The turbidity value is an important factor in various fields of application such as drinking water, disinfection processes, industrial processes and water treatment plants.

Radiation Detection

Radiation detection is an important parameter to be studied in the environmental field.

Other Applications