HPLC / LC-MS Reference Standards & Sample Preparation
Support accurate liquid-chromatography analysis with application-specific reference standards, extraction procedures, filtration, internal standards and matrix-aware quality control.
Typical Sample Types for HPLC / LC-MS
The appropriate analytical method depends on the sample matrix, target analytes, concentration range and required accuracy.
Pharmaceutical
Assay, impurities, related substances and raw-material applications.
Food & Beverage
Additives, contaminants, vitamins, sweeteners and other non-volatile compounds.
Pesticides & Residues
Multi-residue analysis in food, water and environmental matrices.
Environmental
Polar and thermally labile compounds not suited to GC-based techniques.
Clinical / Biological
Target analytes in biological matrices using validated LC-MS workflows.
Industrial & Chemical
Purity, additives and targeted chemical analysis in industrial samples.
Prepare the Sample for Reliable Measurement
HPLC and LC-MS sample preparation is designed to extract target analytes, reduce matrix effects and produce a clean solution compatible with the chromatographic method and detector.
Extract / Dissolve
Use an appropriate solvent system, extraction method or digestion route for the target analytes.
Clean the Matrix
Use filtration, SPE, QuEChERS, precipitation or other cleanup where required.
Adjust Concentration
Dilute or concentrate the extract so it falls within the validated calibration range.
Add Internal Standards
For LC-MS, use appropriate internal standards where the method requires compensation for matrix effects and recovery.
How to Select the Right Reference Material
Reference material selection should follow the real sample matrix, analytes, working range and intended use of the material.
Match the Chemical Identity
Use reference standards for the exact compound, impurity or analyte specified by the method.
Check Purity & Traceability
Confirm certified purity, uncertainty and documentation appropriate to the application.
Match the Calibration Range
Prepare calibration levels that represent routine sample concentrations.
Control Matrix Effects
Use matrix-matched QC materials or internal standards when ion suppression or enhancement is important.
Reference Material Options
Availability depends on analyte, matrix, concentration range, certification scope and manufacturer portfolio.
Common Standard Types
- Pharmaceutical reference standards
- Impurity standards
- Pesticide and residue standards
- Food contaminant standards
- LC-MS internal standards
- Matrix-matched QC materials
Where HPLC / LC-MS Is Commonly Used
Use the application context to define sample preparation, calibration strategy, CRM type and quality-control plan.
Pharmaceutical QC
Assay, impurity and raw-material analytical methods.
Food Safety
Pesticides, contaminants, additives and residue testing.
Environmental
Target analysis of polar and emerging contaminants.
Research & Method Development
Calibration and method optimization across diverse LC applications.
Need Help Selecting the Right CRM for HPLC / LC-MS?
Tell us your instrument, sample matrix, target analytes, concentration range and analytical objective. Alpha Prime Lab will help evaluate the appropriate reference material, sample preparation route and calibration approach.