AS 4433.1:1997
$49.40
Guide to the sampling of particulate materials – Sampling procedures
| Published By | Publication Date | Number of Pages |
| AS | 1997-01-05 | 62 |
Sets out basic methods for the sampling of particulate materials from moving streams and stationary situations, including stopped-belt sampling, to provide samples for chemical analysis, physical testing and determination of moisture content. Provides information that could be relevant to materials for which no sampling standard exists.
Scope
This Guide sets out the basic methods for sampling particulate materials from moving streams and stationary situations, including stopped-belt sampling, to provide samples for measuring one or more variables in an unbiased manner and with a known degree of precision. The variables are measured by chemical analysis, physical testing or both. These sampling methods are applicable to materials that require inspection to verify compliance with product specifications or contract settlements, to calculate the value of a quantity as a basis for settlement between trading partners or to estimate the set of variables and variances that describes a system or procedure. Stopped-belt sampling is the reference method against which other sampling procedures are compared. Sampling from moving streams is the preferred method. Both falling-stream and cross-belt samplers are described.
Sampling from stationary situations is used only where sampling from moving streams is not possible. The procedures described in this Guide for sampling from stationary situations merely minimize some of the systematic sampling errors.
This Guide will be used as the basis for preparation and revision of sampling Standards for ores, concentrates and coal. It is also applicable to the sampling of other particulate materials for which no sampling Standards exist.
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