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Sampling and standards in a recycled world.

Authors
Marr-HE III
Source
Adv X-ray Anal 1974 May; 17:247-257
NIOSHTIC No.
10010873
Abstract
A number of procedures for fluorescent x-ray analysis have been introduced to accommodate the samples that are produced from research on the recovery of values from secondary metal sources. For some applications, standards are conveniently available such as those that can be purchased from the National Bureau of Standards. For other applications, secondary standards must be prepared and analyzed by independent methods. The sample preparation procedures vary considerably. For monitoring process efficiency, sample preparation is often kept at a minimum such as simply pouring loose powders into disposable cups. For the most accurate analyses, sample preparation requires casting the alloys and finishing the surfaces. Matrix correction procedures are employed where concentrations of major constituents vary over wide ranges.
Publication Date
19740501
Document Type
OP
Fiscal Year
1974
NTIS Accession No.
NTIS Price
Identifying No.
OP 79-74
Source Name
Advances in X-Ray Analysis: Proceedings of the Annual Conference on Application of X-Ray Analysis
State
IN
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