Name Planned shipping method Start Date  
Footwear - organotin compounds
Parameters (quantitative): n-butyltintrichloride (as cation) (CAS 1118-46-3) [µg/kg], n-octyltintrichloride (as cation) (CAS 3091-25-6) [µg/kg], di-n-butyltindichloride (as cation) (CAS 683-18-1) [µg/kg], di-n-octyltindichloride (as cation) (CAS 3542-36-7 ) [µg/kg], tri-n-butyltinchloride (as cation) (CAS 1461-22-9) [µg/kg], triphenyltinchloride (as cation) (CAS 639-58-7) [µg/kg], tricyclohexyltinchloride (as cation) (CAS 3091-32-5 ) [µg/kg], tetra-n-butyltin (CAS 1461-25-2) [µg/kg]
Article Number: 2010265
Description: Possible testing e.g. by EN ISO 16179
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping August 2025 Add to cart
Footwear - organotin compounds
Article Number: 2010265
August 2026 Add to cart
Footwear materials - dimethyl fumarate (DMFU) (ISO 16186)
Parameters (quantitative): Dimethyl fumarate (CAS 624-49-7) [mg/kg]
Article Number: 2011005
Description: Possible testing e.g. by EN ISO 16186
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping August 2025 Add to cart
Footwear materials - dimethyl fumarate (DMFU) (ISO 16186)
Article Number: 2011005
August 2026 Add to cart
Footwear materials - dimethylformamide (DMF) (ISO 16189)
Parameters (quantitative): Dimethylformamide (CAS 68-12-2) [mg/kg]
Article Number: 2011007
Description: Possible testing e.g. by EN ISO 16189
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping August 2025 Add to cart
Footwear materials - dimethylformamide (DMF) (ISO 16189)
Article Number: 2011007
August 2026 Add to cart
Footwear materials - N-nitrosamines
Parameters (quantitative): NDBzA (CAS 5336-53-8) [mg/kg], NDBA (CAS 924-16-3) [mg/kg], NDELA (CAS 1116-54-7) [mg/kg], NDEA (CAS 55-18-5) [mg/kg], NDiBA (CAS 997-95-5) [mg/kg], NDiNA (CAS 1027995-62-7) [mg/kg], NDiPA (CAS 601-77-4) [mg/kg], NDMA (CAS 62-75-9) [mg/kg], NDPA (CAS 621-64-7) [mg/kg], NMEA (CAS 10595-95-6) [mg/kg], NMOR (CAS 59-89-2) [mg/kg], NEPhA (CAS 612-64-6) [mg/kg], NMPhA (CAS 614-00-6) [mg/kg], NPIP (CAS 100-75-4) [mg/kg], NPYR (CAS 930-55-2) [mg/kg]
Article Number: 2011253
Description: Possible testing e.g. by EN ISO 19577
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Refrigerated shipping September 2025 Add to cart
Footwear materials - N-nitrosamines
Article Number: 2011253
September 2026 Add to cart
Footwear materials - PAHs (ISO 16190)
Parameters (quantitative): benzo[a]pyrene (CAS 50-32-8) [mg/kg], benzo[e]pyrene (CAS 192-97-2) [mg/kg], benzo[a]anthracene (CAS 56-55-3) [mg/kg], chrysene (CAS 218-01-9) [mg/kg], benzo[b]fluoranthene (CAS 205-99-2) [mg/kg], benzo[j]fluoranthene (CAS 205-82-3) [mg/kg], benzo[k]fluoranthene (CAS 207-08-9) [mg/kg], dibenzo[a,h]anthracene (CAS 53-70-3) [mg/kg]
Article Number: 2011146
Description: Possible testing e.g. by EN ISO 16190
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping February 2025 Add to cart
Footwear materials - PAHs (ISO 16190)
Article Number: 2011146
October 2025 Add to cart
Footwear materials - PAHs (ISO 16190)
Article Number: 2011146
October 2026 Add to cart
Footwear materials - phthalates
Parameters (quantitative): DINP (CAS 28553-12-0) [mg/kg], DEHP (CAS 117-81-7) [mg/kg], DNOP (CAS 117-84-0) [mg/kg], DIDP (CAS 26761-40-0) [mg/kg], BBP (CAS 85-68-7) [mg/kg], DBP (CAS 84-74-2) [mg/kg], DIBP (CAS 84-69-5) [mg/kg]
Article Number: 2011252
Description: Possible testing e.g. by CEN ISO/TS 16181-1;-2
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Refrigerated shipping August 2025 Add to cart
Footwear materials - phthalates
Article Number: 2011252
August 2026 Add to cart
Leather - Determination of organotin compounds
Parameters (quantitative): n-butyltintrichloride (as cation) (CAS 1118-46-3) [µg/kg], n-octyltintrichloride (as cation) (CAS 3091-25-6) [µg/kg], di-n-butyltindichloride (as cation) (CAS 683-18-1) [µg/kg], di-n-octyltindichloride (as cation) (CAS 3542-36-7 ) [µg/kg], tri-n-butyltinchloride (as cation) (CAS 1461-22-9) [µg/kg], triphenyltinchloride (as cation) (CAS 639-58-7) [µg/kg], tricyclohexyltinchloride (as cation) (CAS 3091-32-5 ) [µg/kg], tetra-n-butyltin (CAS 1461-25-2) [µg/kg]
Article Number: 2010265
Description: Possible testing e.g. by EN ISO 16179
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Unfortunately, no further booking is possible this year.
Frozen shipping October 2024
Leather - 4-aminoazobenzene (ISO 17234-2)
Parameters (quantitative): 4-aminoazobenzene (CAS 60-09-3) [mg/kg]
Article Number: 2010200
Description: Possible testing e.g. by EN ISO 17234-2
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping July 2025 Add to cart
Leather - 4-aminoazobenzene (ISO 17234-2)
Article Number: 2010200
July 2026 Add to cart
Leather - aromatic amines from azo dyes (ISO 17234-1)
Parameters (quantitative): o-toluidine (CAS 95-53-4) [mg/kg], o-anisidine (CAS 90-04-0) [mg/kg], 5-nitro-o-toluidine (CAS 99-55-8) [mg/kg]
Article Number: 2010198
Description: Possible testing e.g. by EN ISO 17234-1
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping July 2025 Add to cart
Leather - aromatic amines from azo dyes (ISO 17234-1)
Article Number: 2010198
July 2026 Add to cart
Leather - bisphenols (ISO 11936)
Parameters (quantitative): bisphenol A (CAS 80-05-7) [mg/kg], bisphenol B (CAS 77-40-7) [mg/kg], bisphenol F (CAS 620-92-8) [mg/kg], bisphenol S (CAS 80-09-1) [mg/kg]
Article Number: 2011145
Description: Possible testing e.g. by EN ISO 11936
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping April 2025 Add to cart
Leather - bisphenols (ISO 11936)
Article Number: 2011145
April 2026 Add to cart
1 Parameter mit dieser Kennzeichnung sind abhangig von der Teilnehmerzahl und/oder der Materialauswahl.
Unter Umständen kann es vorkommen, dass dieser Parameter im Ringversuch nicht zur Verfügung steht.