Laboratories and facilities

Research DiSTAR

Elenco Laboratori con RADRL e Preposti

Elenco Laboratori

 
LABORATORI DiSTAR
  RADRL PREPOSTO UBICAZIONE
AAS-Cromatografia Ionica Morra Monetti L1 4.LAB.56
Acqua deionizzata Monetti Monetti L1 4.LAB.54
Camera bianca D’Antonio Di Renzo L1 4.LAB.47/48
Caratterizzazione Lapidei Colella Di Benedetto L2 T.LAB.03
Chimica fine 1 Parente Mondillo L1 4.LAB.77
Chimica fine 2 Balassone Francese L1 4.LAB.59
Chimico 1 Aiello Monetti L3 3.LAB.31
Chimico 2 Di Donato Monetti L3 3.LAB.08
Forni e Muffole De Bonis Colella L2 T.LAB.04
FT-IR Cappelletti Francese L1 4.LAB.57
Geochimica Ambientale Albanese Albanese L3 3.LAB.10
Geofisica Applicata 1 Di Maio La Manna L3 3.LAB.07
Geofisica Applicata 2 Fedi Paoletti L2 T.LAB.18
Geologia Applicata e Geotecnica De Vita Di Clemente L2 T.LAB.13
ICP-OES Morra Monetti L1 4.LAB.55
Inclusioni Fluide Rossi Lima L3 3.LAB.05
Osservatorio Meteorologico Scafetta Viola San Marcellino
Microscopia Ottica 1 Fedele Guarino L1 4.LAB.60
Microscopia Ottica 2 Barra Monetti L1 4.LAB.58
Microscopia del Sedimentario (Ottica 3) Iannace Parente L3 1.LAB.15
Preparazione campioni Franciosi Francese L1 4.LAB.46
SEM Petrosino De Gennaro L2 T.LAB.06
Sezioni sottili Vitale Bravi L2 T.LAB.15
Spettrometria di massa D’Antonio Di Renzo L1 4.LAB.52
Taglio e macinazione rocce Franciosi Bravi L2 T.LAB.16
Trattamento chimico dei sedimenti Russo Ermolli Russo Ermolli L3 3.LAB.29
Vulcanologia sperimentale Petrosino Petrosino L3 3.LAB.21
XRD Cappelletti Monetti L2 T.LAB.05
XRF Cucciniello Fedele L2 T.LAB.07
CLEAN ROOM
Clean Room
Location: L1 - 4 47-48
Responsible: Prof. Massimo D’Antonio
Co-Responsible: Dr. Ciro Cucciniello
Tel (+39 81 6 79281)

DESCRIPTION OF ACTIVITIES

The Clean Room is a laboratory where samples of rock, soil, etc. are prepared to isolate a chemical element to be analyzed for its isotopic composition.

Isotopic analysis is an investigation tool with many applications, e.g. in Geosciences (Geochemistry, Petrology, Volcanology, Sedimentary Geology, etc.) as well as in sectors close to them (Environmental Geochemistry, Paleoclimatology, Archaeometry, Forensic Sciences, etc.). The isotopic composition of some chemical elements (Sr, Nd, Pb, O, H, Li, B, etc.) allows us:

- determining the absolute age of a rock;

- understanding if a magmatic rock formed in the Earth mantle or crust;

- reconstructing the length and intensity of past climatic events (glaciations and interglacials);

- establishing the nature of pollutant agents in the environment (air, soil, water);

- hypothesizing the type of diet of fossil animals, including Man;

- establishing the provenance of raw materials used for archeological pottery.

DESCRIPTION OF LABORATORY

The Clean Room is a special laboratory (Fig. 1), equipped with a system (Air Treatment Unit) that ensures a low particulate atmosphere, by means of the so-called absolute filters (HEPA filters). Other special precautions, such as Teflon vials and bottles, Suprapur and/or Ultrapur grade reagents and distilled water, and laminar flow hoods also equipped with HEPA filters allow minimizing the contamination of samples, in which the content of elements to be analyzed are at trace or ultra-trace levels.

The element to be analyzed for its isotopic composition must be isolated from the sample matrix. In order to achieve that, liquid-phase chromatographic separation techniques on columns are used (Fig. 2). The acid solution containing the chemical element is then left drying on a hot plate placed within a laminar flow hood (Fig. 3). Once separated, the compound (salt) containing the chemical element is placed in the mass spectrometer for determination of its isotopic composition.

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Fig. 1 – The ISO 6-ISO 5 class Clean Room of DiSTAR. In the center, a laminar flow hood equipped with HEPA filters (higher part) is visible.

 
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Fig. 2 – One important phase of sample preparation: the separation of an element in acid solution through column chromatography techniques. Suprapur grade hydrochloric acid is being pipetted in a column.

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Fig. 3 – Drying on hot plate of acid solutions containing the element to be analyzed, in Teflon vials. The hot plate is placed within a laminar flow hood.

 
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