ASTM International

Standard Guide for Part-Stream Sampling of Coal
 N D6609

Annotation

This guide covers general principles for obtaining a gross sample of coal by taking increments from part of a stream of coal rather than from the entire stream to be sampled. The usefulness of results from this guide will vary greatly depending on such factors as top size of the coal, size consistency of the coal, variability of the coal, and such logistical factors as the flow rate of the coal in process and physical accessibility of the sampling station.

This guide should be used only when it is not possible to use a method of sampling that produces a probability sample.

Sample preparation procedures involving crushing are contained in Practice D2013.

The values stated in SI units are to be regarded as standard. The values in parentheses are for information only.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.

Автоматический перевод:

Типичный гид для выборки потока части угля

Этот гид покрывает общие принципы для получения грубого образца угля путем взятия инкрементов от части потока угля, а не от всего потока, который будет выбран. Полноценность результатов этого гида будет варьироваться значительно в зависимости от таких факторов как главный размер угля, непротиворечивость размера угля, изменчивость угля и такие логистические факторы как расход угля в процессе и физической доступности станции отбора проб.