EPTIS
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ISE (International Soil-analytical Exchange)

EPTIS factsheet 133380 | Last revision 2021-03-10 | URL: https://www.eptis.bam.de/pts133380 https://www.eptis.bam.de/pts133380

PT provider
PT provider WEPAL - Wageningen Evaluating Programmes for Analytical Laboratories(Wageningen University) WEPAL - Wageningen Evaluating Programmes for Analytical Laboratories(Wageningen University)
Based in Netherlands
Language(s) English
Remarks
Keywords
Product groups Agriculture
Minerals
Soil, sludge, contaminated sites
Testing fields Environmental conditions
Environmental protection
Analytical chemistry
Technical details
Test item Tested property Testing method
Soil pH-H2O, pH-KCl, pH-CaCl2 -
Electrical Conductivity (EC) Free Choice
C-org (i.e. W&B), TC, TOC, TIC, Organic Matter (LOI), Active Lime Free Choice
Particle Size Distribution: fractions < 2um, <16um, <63um, >63 um Free Choice
Moisture Content -
Cation exchange capacity and bases (potential) 1M NH4-Acetate (pH=7) and 2 others
Cation exchange capacity and bases (actual) Cobaltihexamine (AFNORNFX 31130) and 2 others
Aluminium (Al) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Actual and Potential CEC - several methods
Arsenic (As) Total analysis
Mehlich-3 method
Boron (B) Aqua regia digestion
Mehlich-3 method
Hot water
Barium (Ba) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Beryllium (Be) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Bromine (Br) Real totals
C-elementary Real totals
Calcium (Ca) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Actual and Potential CEC - several methods
Cadmium (Cd) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Availability - Several extractions
Cobalt (Co) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Availability - Several extractions
Chromium (Cr) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Availability - Several extractions
Copper (Cu) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Availability - Several extractions
Cyanides (total complex - total free) Free Choice
Iron (Fe) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Hydrogen (H) Actual and Potential CEC - several methods
Mercury (Hg) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Potassium (K) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Availability - Several extractions (CaCl2, NH4NO3)
Actual and Potential CEC - several methods
Magnesium (Mg) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Availability - Several extractions (CaCl2, NH4NO3)
Actual and Potential CEC - several methods
Manganese (Mn) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Actual and Potential CEC - several methods
Availability - Several extractions (CaCl2/DTPA)
Molybdenum (Mo) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Nitrogen (Elementary and Kjeldahl) Real totals, Acid extractable
N-NO3 and N-NH4 Several Extractions (KCl, CaCl2, H2O)
Sodium (Na) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Actual and Potential CEC - several methods
Nickel (Ni) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Availability - Several extractions (2M HNO3, NaNO3)
Phosphorus (P) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Availability - Several extractions (P-Olsen, P-Bray, P-AL, P-Ox,Pw, NaHCO3)
Lead (Pb) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Availability - Several extractions (2M HNO3, NaNO3)
Sulphur (S) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Antimony (Sb) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Tin (Sn) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Strontium (Sr) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Thorium (Th) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Titanium (Ti) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Thallium (Tl) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Vanadium (V) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Yttrium (Y) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Zinc (Zn) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Mehlich-3 method
Availability - Several extractions (2M HNO3, NaNO3, CaCl2/DTPA))
Zirconium (Zr) Real totals, Acid extractable, Aqua Regia (ISO 11466)
Stable isotopes Delta 13C - Delta 15N Free Choice
Aims of the PT scheme
Target group of participants Open to all kind of laboratories/ Natural (non-spiked) materials
Linked to specific legislation / standards
Additional, subsidiary aims validation of testing methods
Number of participants 320
Accredited or otherwise reviewed by a 3rd party

Accredited by Dutch Accreditation Counsil RvA on the basis of ISO/IEC 17043 for part of the parameters

Operation is commissioned / requested by
Fees and frequency
Participation fee 4 rounds €675, 3 rounds €573, 2 rounds €437, 1 round €305
Regularly operated Yes (4 times per year)
Year of first operation 1988
Contact details of the PT provider
Provider Contact person
WEPAL - Wageningen Evaluating Programmes for Analytical Laboratories(Wageningen University)
P.O.Box 8005, Bornsesteeg 10
6700 EC Wageningen
Netherlands

Phone: +31 317 482337
Fax: +31 317 485666
Web: https://www.wepal.nl https://www.wepal.nl
W. van Vark
Phone: +31 317 483643
Fax: +31 317 485666
Email: info.wepal@wur.nl info.wepal@wur.nl
If you find any mistakes please contact the responsible EPTIS coordinator in Netherlands, Mr Peter van Otterloo. Mr Peter van Otterloo.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.21