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relana
  • Home
  • About relana
    • The relana® principle
    • The relana® founders
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  • relana® data
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About Günter Lach

Minutes of the relana® meeting, June 2017 (Gent, Belgium)

14. July 2017 by Günter Lach

The annual relana® meeting took place 13/14 June 2017 in Gent, Belgium. The provided document is a short version of the minutes of this relana® meeting.

Minutes of relana meeting 2017 – short version

Categories relana at work

Position Paper No. 17-01: Phthalimid part 2 – Unavoidable Artefact!

18. April 201712. April 2019 by Günter Lach

This position paper refers to the formation of phthalimid (PI) out of phthalic anhydride (PSA) during  gaschromatografic analysis, and corresponding impacts on the interpretation of results.

PP_17-01_PI_Part2_vers20170407

Categories Position Paper

Method ring test “Pesticide metabolites”

4. January 20174. January 2017 by Günter Lach

In summer 2016, relana® laboratories took part in a method ring test related to “Pesticide metabolites“, which are part of residue definitions of reg. (EC) no 396/2005.

pesticide-metabolites-relana-mrt-02-2016-public

Categories relana at work

Method ring test “Pesticides in apple leaves”

4. January 20174. January 2017 by Günter Lach

In summer 2016, relana® laboratories participated in a method ring test related to “Pesticides in apple leaves“, exclusively designed and organised by relana®.

apple-leaves-mrt-relana-01-2016-part-2-public

Categories relana at work

Method ring test “Pesticides in vine leaves”

4. January 20174. January 2017 by Günter Lach

In summer 2016, relana® laboratories participated in a method ring test related to “Pesticides in vine leaves“, exclusively designed and organised by relana®.

vine-leaves-mrt-relana-01-2016-part-1-public

Categories relana at work

Position Paper No 16-05: Quantification of Acidic Herbicides

8. August 2016 by Günter Lach

This Position Paper is related to to the quantification of Phenoxycarboxylic acids (“Acidic Herbicides”), which require an additional hydrolysis step in certain cases.

PP_16-05_acidic-herbicides_vers20160808

Categories Position Paper

Position Paper No 16-04: Analysis of Ethephon in processed food products

1. August 2016 by Günter Lach

This position paper is related to the reliable analysis of Ethephon in processed (dried) food products.

PP_16-04_Ethephon_vers20160801

Categories Position Paper

Position Paper No 16-03: Phthalimid part 1 – About the problem of the new residue definition of Folpet

26. July 201618. April 2017 by Günter Lach

This position paper is related to the new residue definition of Folpet (reg. (EC) no 396/2005), which now includes the metabolite Phthalimid (PI).

PP_16-03_Folpet-PI_vers20160722

Categories Position Paper
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