G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 30/02 (2006.01) G01N 30/96 (2006.01) G01N 33/02 (2006.01) G01N 33/15 (2006.01) G01N 30/88 (2006.01)
Patent
CA 2082899
ABSTRACT An analytical method for determining aluminum in amino acids such as glycine. A complex of aluminum and dihydroxyazobenzene is formed by reacting the amino acid solution with a mixture of dihydroxyazobenzene and acetonitrile in the presence of a buffer to obtain a pH of between about 7 and 8. The resulting complex is analyzed for aluminum by high performance liquid chromatography. Minimization of aluminum contamination is achieved by reducing the number of reagents used in the procedure.
Hampshire Chemical Corp.
Smart & Biggar
LandOfFree
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