Currently set filters:

  • New Proficiency tests
Name Planned shipping method Start Date  
Drinking water - 1,2,4-triazole
Parameters (quantitative): 1,2,4-triazole (CAS 288-88-0) [µg/l]
Article Number: 2011380
Category: chemical-physical testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Refrigerated shipping November 2026 Add to cart
Drinking water - 1,2,4-triazole
Article Number: 2011380
November 2027 Add to cart
Drinking water - contaminants
Parameters (quantitative): bisphenol A (CAS 80-05-7) [µg/l], epichlorhydrin (CAS 106-89-8) [µg/l], acrylamide (CAS 79-06-1) [µg/l]
Article Number: 2011381
Category: chemical-physical testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Refrigerated shipping November 2026 Add to cart
Drinking water - contaminants
Article Number: 2011381
November 2027 Add to cart
Drinking water - pH, conductivity (ISO 10523, ISO 7888)
Parameters (quantitative): pH value [-], electrical conductivity [mS/m]
Article Number: 2011379
Category: chemical-physical testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature December 2026 Add to cart
Drinking water - pH, conductivity (ISO 10523, ISO 7888)
Article Number: 2011379
December 2027 Add to cart
Enumeration of somatic coliphages in water (ISO 10705-2)
Parameters (quantitative): somatic coliphages [pfu/100 ml]
Article Number: 2011346
Description: Water quality Quantitative analysis for bacteriophages
Category: immunological, molecular biological and microbiological testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
New proficiency testing
Frozen shipping November 2026 Add to cart
Enumeration of somatic coliphages in water (ISO 10705-2)
Article Number: 2011346
November 2027 Add to cart
Marine water - chlorite, chlorate
Parameters (quantitative): chlorite [µg/l], chlorate [µg/l]
Article Number: 2011383
Description: Possible testing e.g. by EPA 300.1
Category: chemical-physical testing Environmental analytics marine water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Frozen shipping December 2026 Add to cart
Marine water - chlorite, chlorate
Article Number: 2011383
December 2027 Add to cart
Marine water - metals
Parameters (quantitative): arsenic (As) [µg/l], chromium (Cr) [µg/l], copper (Cu) [µg/l], mercury (Hg) [µg/l], nickel (Ni) [µg/l], zinc (Zn) [µg/l], lead (Pb) [µg/l], cadmium (Cd) [µg/l]
Article Number: 2011382
Category: chemical-physical testing Environmental analytics marine water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature December 2026 Add to cart
Marine water - metals
Article Number: 2011382
December 2027 Add to cart
Synthetic waste water - aromatic amines from azo dyes
Parameters (quantitative): o-toluidine (CAS 95-53-4) [µg/l], o-anisidine (CAS 90-04-0) [µg/l], o-dianisidine (CAS 119-90-4) [µg/l], 5-nitro-o-toluidine (CAS 99-55-8) [µg/l], o-aminoazotoluene (CAS 97-56-3) [µg/l], 4-chloroaniline (CAS 106-47-8) [µg/l], 3,3'-dichlorobenzidine (CAS 91-94-1) [µg/l], benzidine (CAS 92-87-5) [µg/l], o-tolidine (CAS 119-93-7) [µg/l], 2,4-diaminotoluene (CAS 95-80-7) [µg/l], 2,4-xylidine (CAS 95-68-1) [µg/l], 2,6-xylidine (CAS 87-62-7) [µg/l]
Article Number: 2011376
Description: The analysis shall be carried out by reduction with sodium dithionite and subsequent determination by GC/MS and LC-MS/MS.
Category: chemical-physical testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Refrigerated shipping June 2026 Add to cart
Synthetic waste water - aromatic amines from azo dyes
Article Number: 2011376
June 2027 Add to cart
Synthetic waste water - organotin compounds
Parameters (quantitative): n-butyltintrichloride (as cation) (CAS 1118-46-3) [µg/l], n-octyltintrichloride (as cation) (CAS 3091-25-6) [µg/l], di-n-butyltindichloride (as cation) (CAS 683-18-1) [µg/l], di-n-octyltindichloride (as cation) (CAS 3542-36-7) [µg/l], tri-n-butyltinchloride (as cation) (CAS 1461-22-9) [µg/l], triphenyltinchloride (as cation) (CAS 639-58-7) [µg/l], tricyclohexyltinchloride (as cation) (CAS 3091-32-5) [µg/l], tetra-n-butyltin (CAS 1461-25-2) [µg/l]
Article Number: 2011377
Description: Possible testing e.g. by ISO 17353
Category: chemical-physical testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Refrigerated shipping July 2026 Add to cart
Synthetic waste water - organotin compounds
Article Number: 2011377
July 2027 Add to cart
Synthetic waste water - PAH
Parameters (quantitative): acenaphthene (CAS 83-32-9) [µg/l], acenaphthylene (CAS 208-96-8) [µg/l], anthracene (CAS 120-12-7) [µg/l], benzo[a]anthracene (CAS 56-55-3) [µg/l], benzo[a]pyrene (CAS 50-32-8) [µg/l], benzo[b]fluoranthene (CAS 205-99-2) [µg/l], benzo[e]pyrene (CAS 192-97-2) [µg/l], benzo[ghi]perylene (CAS 191-24-2) [µg/l], benzo[j]fluoranthene (CAS 205-82-3) [µg/l], benzo[k]fluoranthene (CAS 207-08-9) [µg/l], chrysene (CAS 218-01-9) [µg/l], dibenzo[a,h]anthracene (CAS 53-70-3) [µg/l], fluoranthene (CAS 206-44-0) [µg/l], fluorene (CAS 86-73-7) [µg/l], indeno[1,2,3-cd]pyrene (CAS 193-39-5) [µg/l], naphthalene (CAS 91-20-3) [µg/l], phenanthrene (CAS 85-01-8) [µg/l], pyrene (CAS 129-00-0) [µg/l]
Article Number: 2011370
Description: Possible testing e.g. by DIN 38407-39
Category: chemical-physical testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Refrigerated shipping June 2026 Add to cart
Synthetic waste water - PAH
Article Number: 2011370
June 2027 Add to cart
Synthetic waste water - PCB
Parameters (quantitative): PCB 28 (CAS 7012-37-5) [µg/l], PCB 52 (CAS 35693-99-3) [µg/l], PCB 101 (CAS 37680-73-2) [µg/l], PCB 118 (CAS 31508-00-6) [µg/l], PCB 138 (CAS 35065-28-2) [µg/l], PCB 153 (CAS 35065-27-1) [µg/l], PCB 180 (CAS 35065-29-3) [µg/l]
Article Number: 2011371
Category: chemical-physical testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature June 2026 Add to cart
Synthetic waste water - PCB
Article Number: 2011371
June 2027 Add to cart
1 Parameters with this label depend on the number of participants and/or the choice of materials.
Under certain circumstances, this parameter may not be available in the proficiency test.