Frequently Asked Questions

Amino Acid Analysis


Can I obtain further supplies of calibration standards after using the initial standard provided?


Yes you can:

  • For the Physiological Fluid Standard, by ordering part number 80-6000-32. Alternatively you can obtain this standard as 2 parts from Sigma Aldrich. The Sigma Part Numbers are A6407 (Physiological: Acidics and Neutrals ) & A6282 (Physiological: Basics ).
  • For the Protein Hydrolysate Standard, by ordering part number 80-2037-61. The Sigma Part Number for the Protein Hydrolysate standard is AAS18.


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