Facing analytical quality.

Compe­tence schemes

beyond beaten paths and tailored to your needs

rolling proof

comprehensive quality monitoring of multi-residue methods

Reference materials

for up-to-date parameters

Next ring tests

P2302-MRT MOSH/MOAH in veggie and non-veggie sausages (LC-GC-FID)

P2302-MRT

MOSH/MOAH in veggie and non-veggie sausages (LC-GC-FID)


P2305-RT Perfluorinated compounds in babyfood products

P2305-RT

Perfluorinated compounds in babyfood products


P2308-RT Pyrrolizidine alkaloids and tropane alkaloids in lovage

P2308-RT

Pyrrolizidine alkaloids and tropane alkaloids in lovage

New reference materials

P2312-RMSe Sesame seeds - acidic herbicides (incl. esters and glucosides) and ethylene oxide

P2312-RMSe

Sesame seeds - acidic herbicides (incl. esters and glucosides) and ethylene oxide


P2312-BLSe Sesame seeds - blank

P2312-BLSe

Sesame seeds - blank


P2315-RMPs Parsely - chlorate, perchlorate, QACs, matrine, oxymatrine.

P2315-RMPs

Parsely - chlorate, perchlorate, QACs, matrine, oxymatrine.

Birgit Schindler

About PROOF-ACS

PROOF offers high-quality, up-to-date competence schemes, tailored to customers’ needs. We always go the extra mile for providing reliable services: Careful selection of test parameters, concentration levels and choice of matrix are core to the design of PROOF competence schemes. The scientifically based evaluations go far beyond a sole statistical evaluation.

PROOF-ACS was founded in 2012 as a spin-off of „Lach & Bruns Partnerschaft“.

Dr. Birgit Schindler
Analytical Chemist
Fachtoxikologin DGPT
European Registered Toxicologist