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Reference standards suitable for calibration of gas chromatography mass spectroscopy (GC MS) and liquid chromatography mass spectroscopy (LC MS) instrumentation to ensure accurate and reliable results.
The use of an internal standard best compensates for the variability generated in sample hydrolysis and amino acid analysis. Internal standard norvaline is lyophilized pre-weighed powder. When reconstituted in 6 mL of 0.1M HCl, Norvaline concentration is 0.25 μmol/mL.
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