Analytical methods and instruments used at the Central Chemical Laboratory for determinations of inorganic components and organic compounds

 

SPF (spectrophotometry UV-Vis)
- Cary 1E, Cary 50, Varian (Australia)
Determined parameters: NH4+, Cr6+, Fe2+, Mn2+, colour
Sample types: water, soils, sediments (water extracts)

- Pastel UV + Oxi UV 50, Secomam (France)
Determined parameters: total suspended solids, anionic detergents, total organic carbon (TOC), chemical oxygen demand (COD), biological oxygen demand (BOD), NO3-, Ntotal (after photo-oxidation)
Sample types: water

- LF 205, Slandi (Poland)
Determined parameters: total alkalinity, cyanides, sulphides, phenol (index)
Sample types: water, soils, sediments (water extracts)

 

Nephelometry
- Turbidymetr 2100P ISO, HACH (USA)
Determined parameters: turbidity
Sample types: water

 

Mechanical sample preparation
- freeze-dryer ALPHA 1-4, Martin Christ (Germany)
Method: freeze-drying (lyophilisation)
Sample types: rocks, ores, soils, sediments, plants, food
- mills and jaw crushers, Fritsch (Germany)
Method: crushing, grinding (~0,063 mm)
Sample types: rocks, ores

 

Sample preparation
- microwave system Multiwave 3000, Anton Paar (Austria)
- microwave system ETHOS D, Milestone (Italy)
- block digestion system Kjeldatherm, Gerhardt (Germany)
Method: wet digestion (HF, aqua regia, HNO3, HCl)
Sample types: rocks, ores, soils, sediments, plants, food

 

ICP-OES (hinductively coupled plasma optical emission spectrometry)
- iCAP 6500 DUO, Thermo-Scientific (GB)
- Panorama V, Jobin-Yvon (Francje)
Determined parameters: major, minor and trace elements
Sample types: waters, soils, sediments, rocks, ores, plants, biological material

 

ICP-MS (inductively coupled plasma mass spectrometry)
- ELAN DRC II, Perkin Elmer (USA)
Determined parameters: minor and trace elements
Sample types: water, soils, sediments, rocks, plants, biological materials

 

LA-ICP-MS (inductively coupled plasma mass spectrometry with laser ablation)
- ELAN DRC II + LSX 500 Sciex, Perkin Elmer (USA)
Determined parameters: trace and micro trace elements
Sample types: glass, minerals

 

FAAS (flame atomic absorption spectrometry)
- Solaar 939 QZ, ATI Unicam (GB)
Determined parameters: major and trace elements
Sample types:
water, rocks, ores, soils, sediments, plants, industrial materials

 

ETA-AAS (electrothermal atomization atomic absorption spectrometry)
- PE 4100 ZL, Perkin Elmer (USA)
- Solaar 939 QZ, ATI Unicam (GB)
Determined parameters: trace elements - As, Au, Pt, Pd, Cd, Pb, Al, Cr, Mn, V, Se
Sample types: water, soils, plants, rocks, ores, food

 

HG-AAS (hydride generation atomic absorption spectrometry)
- Solaar 939 QZ + PU 9360X, ATI Unicam (GB)
Determined parameters: As, (Se)
Sample types: water, soils, sediments, rocks, plants, food

 

CV-AAS (vapour atomic absorption spectrometry with flow injection analysis system)
- PE 4100 ZL + FIAS 100, Perkin Elmer (USA)
Determined parameters: Hg (solution)
Sample types: water, soils, sediments, plants, food

 

TMA (total mercury analysis)
- AMA 254, Altec (Czech Republic)
Determined parameters: Hg (solutions and solid samples)
Sample types: water, waste, sediments, plants, rocks, food, building materials, and others

 

WD-XRF (wavelength dispersive X-ray fluorescence spectrometry)
- PW 2400, Philips (Netherlands)
Determined parameters: major and trace elements
Sample types: soils, sediments, rocks, ores and other solid samples

 

XRD (x-ray diffraction)
- PW 3020 X’Pert, Philips (Netherlands)
Determined parameters: phase composition
Sample types: rocks, minerals

 

FTIR (infrared spectroscopy)
- AVATAR 370 DTGS, Nicolet (USA)
Determined parameters: mineral oils
Sample types: waters, wastewaters, soils, sediments

 

HPLC (high performance liquid chromatography with UV, conductivity, fluorescence and diode array detection)
- Ion Chrom, Waters (USA)
- Aliance, Waters (USA)
Determined parameters: anions
Sample types: waters, wastewaters, water extracts from the soils and sediments

 

GC-MSD / Headspace (gas chromatography with mass spectrometry detection and headspace analysis)
- 6890N-5973/7694E, Agilent Technologies (USA)
Determined parameters: volatile organic compounds
Sample types: waters, soils, sediments

 

GC-NPD/MSD (gas chromatography with nitrogen phosphorus and mass spectrometry detection)
- PE - Autosystem XL, Perkin Elmer (USA)
Determined parameters: organophosphorus pesticides
Sample types: waters, wastewaters, soils, sediments

 

GC-ECD (gas chromatography with electron capture detection)
- 6890N, Agilent Technologies (USA)
Determined parameters: organochlorine pesticides and polychlorinated biphenyls (PCBs)
Sample types: waters, wastewaters, soils, sediments

 

Coulometry
- Coulomat 702 CS/LI, Stroehlein (Germany)
Determined parameters: total organic carbon (TOC), total inorganic carbon (TIC), total carbon (TC)
Sample types: soils, sediments, rocks
- Coulomat 7020 CL, Stroehlein (Germany)
Determined parameters: adsorbable organically bound halogens (AOX)
Sample types: waters, wastewaters, soils, sediments

 

Sample preparation for organic compounds analyses (liquid-solid extraction)
- extraction system Soxtec, Tecator (Sweden)
- accelerated extraction ASE 200, Dionex (USA)
- evaporator TurboVap II, Zymark