Reference materials
PROOF-ACS is accredited according to DIN EN ISO/IEC 17043:2023 (PT provider). We do not hold an accreditation
according to DIN EN ISO/IEC 17034:2017 (reference material producer). The reference materials are validated in
our ring tests or closed schemes. The ring tests are performed in accordance with DIN EN ISO/IEC 17043:2023. A
specification of the reference materials is provided together with the reference materials. The specification
includes a description of the preparation of the reference materials, the spiked levels, the accepted ranges
(comparability and trueness), as well as the homogeneity and stability data. All prices are valid plus the
respectively applicable VAT, as far as it is required by law. Shipment
and handling are not included.
Blank material related to P2423-RMPp.
Ground black peppercorn, spiked with 32 multi-method pesticides.
Blank material related to P2521-RMBa.
Homogenate of banana pulp, spiked with 31 pesticides.
Blank material related to P2522-RMRc.
Homogenate of red currants, spiked with 32 pesticides.
Further reference materials
Barbecue sausage, homogenised. Unspiked material related to P2302-RMSa.
Veggie sausage, homogenised. Unspiked material related to P2302-RMVs
Barbecue sausage, homogenised, spiked with MOSH and MOAH.
Veggie sausage, homogenised, spiked with MOSH and MOAH.
Olive oil, unspiked material related to P2401-RMOl.
amount per unit
2 x 40 ml
Palm oil, unspiked material related to P2401-RMPa.
Olive oil, spiked with MOSH and MOAH.
amount per unit
2 x 40 ml
Palm oil, contaminated with MOSH, spiked with MOAH.
Infant formula. Unspiked material related to P2402-RMIf.
Infant formula, spiked with MOSH and MOAH.
Green tea, which was contaminated with MOSH and MOAH during production.
Paprika powder (spice), spiked with MOSH and MOAH.
Coconut oil, spiked with MOSH, MDAF, TPAF, MOAH.
Chamomile tea, milled. Unspiked material related to P2410-RMCh
Chamomile tea, milled, with spiked and incurred PAs.
Blank material related to P2413-RMPe.
Pear, homogenised, with spiked and incurred levels of polar pesticides.
Blank material related to P2420-RMPe
Black peppercorn, ground, spiked with 2-chloroethanol.
Blank material related to P2424-RMWn.
Blank material related to P2426-RMHl
Fresh hemp leaves, homogenised, spiked with 13 multi-method pesticides.
Rapeseed oil, unspiked material related to P2501-RMRs
Soy bean oil, unspiked material related to P2501-RMSy
Rapeseed oil, spiked with MOSH and MOAH.
amount per unit
2 x 40 ml
Soy bean oil, spiked with MOSH and MOAH.
amount per unit
2 x 40 ml
Blank material related to P2504-RT.
Pea soup, homogenised, spiked with BPA, BPB, BPF, PBS.
Blank material related to P2511-RMSt.
Strawberry homogenate, spiked with free acids, esters, and glucosides of acidic herbicides.
Blank material related to P2513-RMFp.
Cooked fruit homogenate, spiked with polar pesticides, QACs, and amino alcohols.
Blank material related to P2515-RMGt.
Green tea, milled, with polar pesticides, matrine, oxymatrine, and ethylene oxide.
Honey blend, adulterated.
Honeydew honey, adulterated.
Rapeseed honey, not adulterated.
Blank material related to P2537-RMGw.
Groundwater, spiked with phenol, catechol, hydroquinone, o-, m-, p-cresol.
Analytical reference material for the analysis of MOSH and MOAH by LC-GC-FID.
