Meeri Rantanen

MSc, Chemistry

Environment & Industry

Meeri Rantanen

Meeri Rantanen has worked at Measurlabs as a testing expert focusing on chemicals and environmental samples since August 2023. Her areas of interest include inorganic analytical chemistry and legislation around the analysis of environmental samples. 

Meeri’s educational background is in analytical chemistry. She graduated with an MSc from the University of Jyväskylä in 2021 after writing her master’s thesis on ICP-TQ-MS method development.

Before joining Measurlabs, Meeri worked as a method development chemist at a nickel refining factory and as an analytical service manager at a large testing services provider. As a result, she is highly experienced in ICP analysis of metals and mining samples.

Meeri is Measurlabs' primary PFAS testing expert. She recently spoke at a webinar hosted by regulatory consultancy Regartis about analytical methods for PFAS detection and quantification.

Meeri’s latest articles in our blog

Meeri Rantanen
Meeri Rantanen

May 12, 2025

Pharmaceutical residue analysis according to the revised EU Urban Wastewater Treatment Directive

Large urban wastewater treatment plants will have to remove at least 80% of certain pharmaceutical substances from water during quaternary treatment.

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Pharmaceutical residue analysis according to the revised EU Urban Wastewater Treatment Directive
Meeri Rantanen
Meeri Rantanen

March 13, 2025

PFAS testing methods and standards: How to select the most appropriate analytical approach?

We summarize current best practices for PFAS methods selection, including available analytical techniques and standard methods for selected sample matrices.

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PFAS testing methods and standards: How to select the most appropriate analytical approach?
Meeri Rantanen
Meeri Rantanen

November 15, 2024

PFAS-free testing for consumer products: how to verify the absence of forever chemicals

As there are thousands of chemicals within the group, substantiating PFAS-free claims requires both targeted analysis and fluorine content testing.

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PFAS-free testing for consumer products: how to verify the absence of forever chemicals

Read articles by our experts and guest authors on the practical implications of regulations, scientific advancements, and the ideal uses of different analysis methods.

Meeri’s top testing services

Total organic fluorine (TOF) content in paper, polymers, and textiles

Determination of total organic fluorine (TOF) in paper, polymers, and textiles. As these types of samples generally have low inorganic fluorine content, TOF is analyzed as total fluorine (TF), unless requested otherwise. If needed, total inorganic fluorine (TIF) can also be measured, and TOF can then be calculated as the difference between TF and TIF. Please note that the additional determination of TIF involves extra analytical steps, which will be reflected in the price. TOF analysis gives information about the total amount of organic fluorinated compounds in the material. It can also be used to evaluate the overall presence or absence of PFAS, even though this method cannot identify individual PFAS compounds. Do not hesitate to contact us for more information and a quote for your sample batch.
150–250 €
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Total organic fluorine (TOF) content in challenging sample materials (chemicals, oils, etc.)

ASTM D7359
Determination of the total organic fluorine (TOF) content in combustible materials using combustion ion chromatography (CIC). By default, TOF is analyzed as total fluorine (TF). If required, total inorganic fluorine (TIF) can be measured as well, and TOF calculated as the difference between TF and TIF. TOF analysis gives information about the total amount of organic fluorinated compounds. It can also be used to evaluate the presence of per- and polyfluoroalkyl substances (PFAS) in the material, even though individual PFAS compounds can't be analyzed with this method. The analysis is suitable for many different materials. Please describe the sample in detail when requesting an offer to help us prepare a quote quickly.
350–600 €
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Total fluorine content in plastic

EN 15408
Determination of total fluorine (F) content in plastic according to the EN 15408 mod. method. The fluorine content of the sample is obtained using oxygen bomb combustion treatment followed by ion chromatography (IC). Possible sample preparation, such as grinding into smaller particles, is available at an extra cost. This method can also be used to determine the total content of S, Cl, and Br. The results will be reported in mg/kg.
248 €
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PFAS in plastic, paper, and other solid materials (164 compounds)

Targeted screening and quantification of 164 PFAS compounds in various materials with accredited in-house methods based on ISO 23702-1, CNS 15808, and CEN/TS 15968. The service includes both LC-MS/MS analysis of low-volatility PFAS and GC-MS/MS analysis of volatile PFAS substances. Examples of target analytes include PFOS, PFOA, PFHxS, and PFNA. The full list of compounds is available upon request. In addition to plastic and paper, the measurement is suitable for textiles, leather, wood, metals, paints, and coatings.  One common application of this analysis is evaluating compliance with EU and US regulations on PFAS in food packaging. If this is the goal, a total organic fluorine (TOF) analysis should be conducted in addition to the targeted screening. We are happy to provide a single offer that includes both analyses.
275 €
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