Name Planned shipping method Start Date  
Izod impact properties +23 °C ASTM D256
Parameters (quantitative): Notched Izod impact [ft.lbf/in]
Article Number: 2010006
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature April 2025 Add to cart
Izod impact properties +23 °C ASTM D256
Article Number: 2010006
April 2026 Add to cart
Jewellery (acc. to EN 1811)
Parameters (quantitative): surface area [cm²], nickel release [µg/cm²/week]
Article Number: 2010568
Description: Due to the increasing number of nickel containing prodcuts the amount of nickel allergies increases. Nickel is the most frequent cause for contact allergies. Therefore the nickel release is determined according to EN 1811. This proficiency testing is intended for all laboratories which test the nickel release on a routine basis or are establishing the method.
Category: chemical-physical testing consumer goods and packaging jewellery
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature July 2025 Add to cart
Jewellery (acc. to EN 1811)
Article Number: 2010568
July 2026 Add to cart
L.monocytogenes ice-cream
Parameters (qualitative): L. monocytogenes qualitative
Article Number: 2010554
Description: Possible methods for participation, e.g.: ISO 11290-1, §64LFGB L00.00-32, ISO 11290-2; §64 LFGB L00.00-22
Category: immunological, molecular biological and microbiological testing food and feed ice-cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping July 2025 Add to cart
L.monocytogenes ice-cream
Parameters (qualitative): L. monocytogenes qualitative
Article Number: 2010554
July 2026 Add to cart
Lactic acid bacteria fruit juice
Parameters (quantitative): lactic acid bacteria (aerobic) [cfu/g], aerobic total count [cfu/g]
Article Number: 2010596
Description: Quantitative analyse of different germs like lactobacilli, e.g. with IFU-Method 2, IFU-Method 5
Category: immunological, molecular biological and microbiological testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping April 2025 Add to cart
Lactic acid bacteria fruit juice
Article Number: 2010596
April 2026 Add to cart
Lactobacillus ground meat
Parameters (quantitative): lactobacilli (aerobic) [cfu/g], aerobic total count [cfu/g]
Article Number: 2010212
Description: Possible methods for participation, e.g.: ISO 15214, DIN 10109, §35 LMBG 06.00-35
Category: immunological, molecular biological and microbiological testing food and feed meat products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping March 2025 Add to cart
Lactobacillus ground meat
Article Number: 2010212
March 2026 Add to cart
Lactobacillus milk powder
Parameters (quantitative): lactobacilli (microaerophilic) [cfu/g], aerobic total count [cfu/g], lactobacilli (aerobic) [cfu/g]
Article Number: 2010481
Description: Possible methods for participation, e.g.: ISO 15214, DIN 10109, §35 LMBG 06.00-35
Category: immunological, molecular biological and microbiological testing food and feed milk powder
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping November 2025 Add to cart
Lactobacillus milk powder
Article Number: 2010481
November 2026 Add to cart
Lead and cadmium in jewelry
Parameters (quantitative): lead (Pb) [mg/kg], cadmium (Cd) [mg/kg]
Article Number: 2010969
Description: The test should be carried out according to §64 LFGB B 82.02-23, §64 LFGB B 82.02-24 or a comparable method.
Category: chemical-physical testing consumer goods and packaging jewellery
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping October 2025 Add to cart
Lead and cadmium in jewelry
Article Number: 2010969
October 2026 Add to cart
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.