Methods Library
The chemistry behind the numbers: how the analysis works, what can distort it, and how to read the result. Every page cites its sources.
How AQC Derivatization Works
The chemistry behind our method: how AQC tags amino acids, why pH and reagent excess matter, and why proline is covered.
Read → MethodSample Preparation for Free Amino Acid Analysis
What happens to your sample before injection: deproteinization options, dilution into range, internal standards and matrix-specific considerations.
Read → MethodFree vs Total Amino Acids: Which One You Need
Free or total? What acid hydrolysis does, what it destroys, and which measurement your media, label or hydrolysate question needs.
Read → MethodReading an Amino Acid Profile: Units, Ratios and Flags
Units, ratios, flags and time courses: a walk-through of an example amino acid report and how to interpret the numbers.
Read → MethodHow We Control Quality in Amino Acid Analysis
Internal standard, QC standard, detector checks, blanks, spike recovery and flags: what each quality-control element does and why.
Read → MethodAnalyte Reference: The 19 Amino Acids, Ammonia and the Extended Panel
What matters analytically for each amino acid we measure: stability in solution, ammonia sources, hydrolysis effects and the extended panel.
Read →Have samples in mind?
Published prices, a person replies, and every report includes the chromatogram and QC behind the numbers.