MA-tek LC-MS soluble-residue comparison service

MA-tek · Engineering measurement and characterization

Purpose: Cleaning-residue comparisons must distinguish extractable organics from their original surface distribution.
Technical approach: LC-MS combines liquid-chromatographic separation with mass-spectrometric detection of suitable organic components.
Scope of use: Consider polar organics in suitable extracts; quantitative analysis needs corresponding standards and a confirmed method.
Limitations and open questions: These evaluation considerations are compiled by BLNKK from public information. They are not supplier guarantees or a mandatory submission checklist.
Scope and limitations
Extract concentration is not direct surface coverage. Identification of every unknown is not assured; assess recovery, blanks and matrix effects.
What to prepare
BLNKK suggests preparing residue/cleaning and extraction histories, blanks and comparison samples, plus targets and standards for quantification.
Confirm with the supplier
Confirm analytes, extraction and quantification methods, recovery/detection limits and how results relate to the original sample.
Public evidence: The official service page lists polar-organic screening, quantification with standards and water-soluble organic residue analysis.

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