Work organisation
Four work areas
The Chemistry Laboratory performs testing for third parties. The work is organised in four main areas:
- Sample preparation
- Cold room
- Instrumental analysis
- Washing room
The four testing fields
For each field, the sample categories and the main tests performed. To see which tests are accredited, use the test search.
Water
| Category | Main tests |
|---|---|
| Drinking water and well water | pH, turbidity, colour, odour and taste, electrical conductivity, TDS, hardness, alkalinity, chlorides, sulphates, nitrates, nitrites, ammonium, fluorides, free and total chlorine |
| Metals and elements in water | Arsenic (As), lead (Pb), cadmium (Cd), chromium (Cr), nickel (Ni), mercury (Hg), antimony (Sb), selenium (Se), copper (Cu), iron (Fe), manganese (Mn), aluminium (Al), zinc (Zn) and barium (Ba) |
| Surface water | Temperature, pH, conductivity, turbidity, dissolved oxygen, TSS, nitrates, nitrites, ammonium, phosphates, total nitrogen, COD and TOC; metals according to the purpose of monitoring |
| Wastewater | pH, temperature, conductivity, TSS, TDS, COD, total nitrogen, phosphates, oils and fats, hydrocarbons, anionic surfactants, phenol, sulphides and metals |
| Irrigation water | pH, conductivity, TDS, salinity, chlorides, sulphates, alkalinity, bicarbonates, sodium (Na), calcium (Ca) and magnesium (Mg); SAR calculated from Na, Ca and Mg |
| Specific organic pollutants | Panels for hydrocarbons C10–C40, VOC, PAH, pesticides and PCB |
Food
| Category | Main tests |
|---|---|
| Composition and nutritional values | Moisture, ash, proteins, fats, sugars, fibre, carbohydrates, energy value, salt |
| Pesticide residues and contaminants | Pesticide panels, aflatoxins, metals, PAH and PCB according to the product |
| Milk and dairy products | Fat, acidity, density, freezing point for the assessment of added water, moisture |
| Meat, fish and their products | Fat, histamine in fish, volatile nitrogen, nitrites and nitrates in meat, sulphites in fish |
| Cereals and bakery products | Moisture, ash, gluten, salt, acidity, porosity |
| Beverages | pH, acidity, sugars, alcoholic strength, sulphites, CO₂, extract, preservatives |
Environment
| Category | Main tests |
|---|---|
| Ambient and workplace air | PM₁₀, PM₂.₅, SO₂, NO₂/NOx, CO, O₃, VOC, PAH, metals, temperature and humidity |
| Stack emissions | Total dust, SO₂, NOx, CO, CO₂, O₂, H₂S, HCl, HF and hydrocarbons |
| Soil, sludge and waste | pH, conductivity, dry matter, hydrocarbons C10–C40, oils, PAH, VOC, PCB and metals |
| Environmental and workplace noise | Measurement of noise levels in the environment and in the workplace |
Oils
| Category | Main tests |
|---|---|
| Olive oil | Acidity, peroxide value, K232, K270 and ΔK, fatty acid profile, sterols, waxes, polyphenols and metals |
| Edible oils and fats | Fatty acids (FAME), trans fats, iodine value, saponification value, insoluble impurities, unsaponifiable matter and vitamin E |
| Essential oils | Essential oil content and profile, density, refractive index and angle of rotation |
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