Automatic method and apparatus for dosing samples

Details Automatic method and apparatus for dosing samples Automatic method and apparatus for dosing samples

1984-11-29

1987-07-14

Harkcom, Gary V.

Boots, shoes, and leggings

364472, 378 44, 432262, G06F 1546, G01N 128

Patent

active

046807160

ABSTRACT:
In an automatic sample-dosing method and machine a "bead" is formed which is to be analysed by X-ray fluorescence with, the mixture being dosed in three stages: feeding with flux material (lithium tetraborate), feeding with sample material, and feeding with flux material in such a way that the sample material does not stick to the wall of the weighing pan by making use of the relevant angles of repose.

REFERENCES:
patent: 3961905 (1976-06-01), Rice
patent: 3972721 (1976-08-01), Hammel et al.
patent: 4032390 (1977-06-01), Rice
patent: 4063916 (1977-12-01), De Vos et al.
patent: 4478676 (1984-10-01), Belt et al.
patent: 4495155 (1985-01-01), Ricard et al.
patent: 4519092 (1985-05-01), Albert
patent: 4577338 (1986-03-01), Takahashi et al.

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