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

P2301-MRT MOSH/MOAH in edible oils (LC-GC-FID)

P2301-MRT

MOSH/MOAH in edible oils (LC-GC-FID)


P2307-RT Pyrrolizidine alkaloids in rooibos tea

P2307-RT

Pyrrolizidine alkaloids in rooibos tea


P2310-RT Alternaria toxins, patulin and ochratoxin A in babyfood products

P2310-RT

Alternaria toxins, patulin and ochratoxin A in babyfood products

New reference materials

P2206-RMCh2 Cheese 2 - MOSH/MOAH (GCxGC-TOF)

P2206-RMCh2

Cheese 2 - MOSH/MOAH (GCxGC-TOF)


P2206-RMCh1 Cheese 1 - MOSH/MOAH (GCxGC-TOF)

P2206-RMCh1

Cheese 1 - MOSH/MOAH (GCxGC-TOF)


P2217-RMBt Black tea - polar pesticides, matrine, oxymatrine

P2217-RMBt

Black tea - polar pesticides, 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