Your partner in success
About Yspekh
Yspekh sells, rents, calibrates and repairs the XRF and Raman spectrometers of Swiss building surveyors, laboratories and industry — and trains your teams in on-site analysis: lead in paint, building pollutants, metal sorting, precious metals.
Exclusive distribution in Switzerland
Yspekh is the exclusive distributor in Switzerland for Fondis Electronic – Groupe Physitek and notably distributes the full range of tube-based and isotope-source X-ray fluorescence instruments.
Fondis Electronic – Groupe Physitek (FR)
Exclusive distribution for all of Switzerland.
Heuresis Pb200i — Viken Detection (USA)
Approved distributor-assembler for Europe of lead-paint testing devices.
Niton XLP
Portable isotope-source XRF instruments.
FenX — Fondis-Physitek (FR)
X-ray fluorescence analysers manufactured in France by Fondis-Physitek.
Providing companies with high-tech tools to make analysis work easier in the laboratory and in the field.
Our company provides every service related to the analysis of substances.
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Sale of suitable instruments
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Independent analysis
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Full maintenance of all products in Switzerland
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Specific training tailored to our products
Credentials
Marc Dupayrat
Marc Dupayrat is a chemical engineer by training. A man of both the laboratory and the field, he has more than 30 years of experience in elemental analysis and vibrational molecular analysis. His expertise is built on countless demonstrations, training courses, technical support assignments and R&D projects for manufacturers and distributors in France, the USA, Israel, Germany, the United Kingdom, Japan, China and Switzerland.
These applied laboratory skills and field experience were acquired in a wide range of domains: nutrients in cereals, metal smelting and sorting, soil pollution, archaeology, forensic science, lead in paint in the built environment, ore mining, characterisation of precious metals and gemstones…
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Graduate of the National Examination for Construction Pollutant Surveyors (April 2023)
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Attended the ETI-CFSA course on PCB / PAH remediation under containment
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Attended the Sonelo course for lead-paint surveyor trainers in France
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Holder of the licences required by the FOPH / SUVA and their French equivalent for radiation protection, covering the servicing and use of X-ray tube devices and low-activity sealed isotope sources
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Trainer for the course "Lead paint surveying in buildings", developed and delivered jointly by SABRA (GE) and Yspekh (VD)
The company
Yspekh Sàrl is based in L’Auberson, in the Vaud Jura. The instruments we sell are calibrated and serviced here, in Switzerland — and while yours is in the workshop, a replacement takes over, so that no one is left without a measurement. We answer in French, German, English and Italian.
Our process
From the first contact to continuous support.
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Contact & analysis
We listen to your need and identify the right solution.
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Demonstration
Test on your samples, on-site or in the laboratory.
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Swiss calibration
Custom tuning and local commissioning.
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Training & after-sales
Continuous support, maintenance and responsive assistance.
Let's talk about your project
Our experts are here to identify the analytical solution suited to your needs.
Latest posts
An alternative to fire assay: confirming fineness by X-ray fluorescence
X-ray fluorescence can confirm the fineness of many precious-metal alloys without taking a sample. How far can it replace fire assay, and where are its limits?
Arsenic in historic books: identifying the bindings at risk
Scheele's green, Paris green: how portable X-ray fluorescence makes it possible to sort the arsenical bindings of a historic collection, without sampling and without damage.
Swiss Waste Ordinance 2026: what changed on 1 January, and what still applies
The limit values stay the same. Metal recovery from fly ash is postponed to 2028. And the 55 % energy recovery threshold now applies. Here is what really matters in the recent revisions of the Waste Ordinance.