Name Planned shipping method Start Date  
Organic acids
Parameters (quantitative): citric acid (anhydrous) [g/100 ml], formic acid [g/100 ml], sulfamic acid [g/100 ml]
Article Number: 2010914
Category: chemical-physical testing consumer goods and packaging cleaning agent
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature October 2026 Add to cart
Oxidizing agent
Parameters (quantitative): sodium hypochlorite [g/100g], hydrogen peroxide [g/100g], sodium percarbonate [g/100g]
Article Number: 2010916
Category: chemical-physical testing consumer goods and packaging cleaning agent
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature October 2025 Add to cart
Oxidizing agent
Article Number: 2010916
October 2026 Add to cart
Paper - transition of antimicrobial components (EN 1104)
Parameters (qualitative): antibacterial effect Bacillus subtilis [mm], antimycotic effect Aspergillus niger [mm]
Article Number: 2010279
Category: immunological, molecular biological and microbiological testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Shipping at room temperature November 2025 Add to cart
Paper - transition of antimicrobial components (EN 1104)
Parameters (qualitative): antibacterial effect Bacillus subtilis [mm], antimycotic effect Aspergillus niger [mm]
Article Number: 2010279
November 2026 Add to cart
Paper, board - mercury in aqueous extract (EN 12497)
Parameters (quantitative): mercury (Hg) [µg/l]
Article Number: 2011149
Description: Possible testing e.g. by EN 12497
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping November 2025 Add to cart
Paper, board - mercury in aqueous extract (EN 12497)
Article Number: 2011149
November 2026 Add to cart
Paper, board - pH value (ISO 6588-1, ISO 6588-2)
Parameters (quantitative): pH value (cold extraction) [-], pH value (hot extraction) [-]
Article Number: 2010640
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature November 2025 Add to cart
Paper, board - pH value (ISO 6588-1, ISO 6588-2)
Article Number: 2010640
November 2026 Add to cart
Paper, board - phthalates (EN 16453)
Parameters (quantitative): DINP (CAS 28553-12-0) [mg/l], DEHP (CAS 117-81-7) [mg/l], DNOP (CAS 117-84-0) [mg/l], DIDP (CAS 26761-40-0) [mg/l], BBP (CAS 85-68-7) [mg/l], DBP (CAS 84-74-2) [mg/l], DIPB (CAS 84-69-5) [mg/l], DPP (CAS 131-18-0) [mg/l], DIHP (CAS 71888-89-6) [mg/l], DMEP (CAS 117-82-8) [mg/l]
Article Number: 2011148
Description: Determination of phthalates from paper, cardboard after transition to water extract, e.g. by EN 16453
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping June 2026 Add to cart
Paper, board - primary aromatic amines (EN 17163)
Parameters (quantitative): o-toluidine (CAS 95-53-4) [µg/l], benzidine (CAS 92-87-5) [µg/l], aniline (CAS 62-53-3) [µg/l], 3,3'-dichlorobenzidine (CAS 91-94-1) [µg/l], 2-methoxyaniline (CAS 90-04-0) [µg/l], 4-chloraniline (CAS 106-47-8) [µg/l], 2-napthylamine (CAS 91-59-8) [µg/l], 3,3'-dimethylbenzidine (CAS 119-93-7) [µg/l]
Article Number: 2011147
Description: Determination of primary aromatic amines from paper, cardboard after transition to water extract, e.g. by EN 17163
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping September 2025 Add to cart
Paper, board - primary aromatic amines (EN 17163)
Article Number: 2011147
September 2026 Add to cart
Paper, cardboard - 1,3-DCP and 3-MCPD
Parameters (quantitative): 1,3-dichloro-2-propanol (CAS 96-23-1) [µg/l], 3-monochloro-1,2-propanediol (CAS 96-24-2) [µg/l]
Article Number: 2010452
Description: Possible testing e.g. by GC-MS
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping June 2025 Add to cart
Paper, cardboard - 1,3-DCP and 3-MCPD
Article Number: 2010452
June 2026 Add to cart
Paper, cardboard - aluminium
Parameters (quantitative): aluminium (Al) [mg/l]
Article Number: 2011099
Description: Determination using cold water extraction (EN 645)
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature August 2025 Add to cart
Paper, cardboard - aluminium
Article Number: 2011099
August 2026 Add to cart
Paper, cardboard - cadmium, lead in aqueous extract (EN 12498)
Parameters (quantitative): cadmium (Cd) [µg/l], lead (Pb) [µg/l]
Article Number: 2010456
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping July 2025 Add to cart
Paper, cardboard - cadmium, lead in aqueous extract (EN 12498)
Article Number: 2010456
July 2026 Add to cart
Paper, cardboard - DIPN (EN 14719)
Parameters (quantitative): DIPN [mg/kg]
Article Number: 2010450
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature May 2026 Add to cart
Paper, cardboard - formaldehyde (EN 1541)
Parameters (quantitative): formaldehyde (CAS 50-00-0) [mg/kg]
Article Number: 2010642
Description: Possible testing e.g. by EN 1541 Determination using cold water extraction (EN 645)
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping June 2025 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.