High resolution non corrosive amino acid analysis buffer solutio

Details High resolution non corrosive amino acid analysis buffer solutio High resolution non corrosive amino acid analysis buffer solutio

1988-04-29

1990-09-25

Maples, John S.

Compositions

Preservative agents

Anti-corrosion

25238962, 252396, 136 8, G01N 3096, C23F 1104

Patent

active

049591762

ABSTRACT:
Aqueous buffer solutions for use in an ion exchange amino acid analysis system compounded so that it is non-corrosive to the stainless steel components of such a system while achieving high resolution and short analysis times in separation of the various amino acids in a sample mixture. The aqueous buffer preferably comprising a mixture of salts free of halogen ions but containing nitrate ions which tend to passivate stainless steel preventing corrosion.

REFERENCES:
patent: 4304707 (1981-12-01), Kuehn
patent: 4401624 (1983-08-01), Atwater
patent: 4482759 (1984-11-01), Schawrze et al.
patent: 4728452 (1988-04-01), Hansen
patent: 4743393 (1988-05-01), Hirozawa
Pierce Chemical Company's Sales Literature; "Buffelute.TM. High Performance Buffers for Amino Acid Analysis".
Benson, James R.; "Amino Acid Analysis Using Halide-Free Elements"; 41, Federation Proceeding, 4, (Mar. 5, 1982).

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