EPTIS
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Chemical parameters in natural soils

[Ring Test terreni (agronomici/pedologici)]

EPTIS factsheet 1350623 | Last revision 2025-04-14 | URL: https://www.eptis.bam.de/pts1350623 https://www.eptis.bam.de/pts1350623

PT provider
PT provider SILPA - Società Italiana Laboratori Pedologici e Agrochimici SILPA - Società Italiana Laboratori Pedologici e Agrochimici
Based in Italy
Language(s) Italiano
Remarks Founded in 1989, SILPA has put among its priority objectives the use of quality assessment tools for analysis results and since 1994 the organization of the ring test has been consolidated and made systematic. The data processing (done using the algorithm A of ISO 13528:22) and the evaluation of the performance of the participating laboratories takes place in accordance with the requirements of the UNI CEI EN ISO/IEC 17043:23 standard. The application for entering the analytical results, the tables with the processed results and more information on the preparation and processing of the ring test are available on the website http://www.silpalab.it
Keywords
Product groups Agriculture
Soil, sludge, contaminated sites
Testing fields Analytical chemistry
Technical details
Test item Tested property Testing method
Soil pH in H2O 1:2,5 Standard Methodology
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Conduttività elettrica estratto acquoso 1:5 Standard Methodology
Determinazione granulometrica a tre frazioni (sabbia, limo e argilla) Standard Methodology
Calcare Totale Standard Methodology
Calcio carbonato attivo Standard Methodology
Carbonio Organico Standard Methodology
Azoto totale Standard Methodology
Fosforo assimilabile (Olsen) Standard Methodology
Basi di scambio (K, Mg, Ca scambiabili in BaCl2 pH 8.1) Standard Methodology
Capacità di Scambio Cationica (in BaCl2 pH 8.1) Standard Methodology
Metalli assimilabili (Fe, Mn, Zn, Cu) metodo Lindsay-Norwell (DTPA) Standard Methodology
Boro Solubile Standard Methodology
Metalli estraibili in acqua regia (Cd, Cr, Ni, Pb, Cu, Zn, Mn) Standard Methodology
Aims of the PT scheme
Target group of participants Agrochemical / Pedological laboratories
Linked to specific legislation / standards Ministerial Decree 13 September 1999
Additional, subsidiary aims Provide homogeneous and comparable data at Italian level
Number of participants 60
Accredited or otherwise reviewed by a 3rd party

Accredited by no on the basis of no

no

Operation is commissioned / requested by no
Fees and frequency
Participation fee Participation reserved for SILPA members
Regularly operated Yes (about 8 samples per year )
Year of first operation 1990
Contact details of the PT provider
Provider Contact person
SILPA - Società Italiana Laboratori Pedologici e Agrochimici
laboratorisilpa@gmail.com

Italy

Phone: 3792725019
Fax:
Web: http://silpalab.it http://silpalab.it
Ivonne Malavolti
Phone: 3792725019
Fax:
Email: laboratorisilpa@gmail.com laboratorisilpa@gmail.com
If you find any mistakes please contact the responsible EPTIS coordinator in Italy, Ms Laura Galli. Ms Laura Galli.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.23-SNAPSHOT.20230502124635-7925ae379a631fc1ececff45d2921c8db38877d5