Sample handling method and apparatus for atomic absorption analy

Details Sample handling method and apparatus for atomic absorption analy Sample handling method and apparatus for atomic absorption analy

1991-07-18

1993-08-17

Noland, Tom

Measuring and testing

Sampler, sample handling, etc.

With heating or cooling

356312, 436157, 436159, G01N 2174

Patent

active

052358623

ABSTRACT:
A sample handling apparatus includes a furnace which atomizes elements to be tested in a sample. A matrix modifier is added to the furnace. A quantity of the sample is subsequently added to the furnace. An additional quantity of the matrix modifier is then added into the furnace. The furnace is heated to atomization temperature to permit analysis of the sample to be tested.

REFERENCES:
patent: Re33007 (1989-08-01), Bier
patent: 4267953 (1981-05-01), Hoffman et al.
patent: 4806489 (1989-02-01), Beach
"Atomic Absorption Analysis with the Graphite Furnace Using Matrix Modification"; Atomic Absorption Newsletter vol. 14, No. 5; Sep.-Oct. 1975 pp. 127-130; Richard D. Ediger.

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