Sampling & sampling system services

Sampling Services

Whether samplers are required to take underground strip samples or perform large scale coal preparation plant audits, ALS has the know-how to deliver reliable and professional results.

Strip Sampling

ALS strip sampling services are regularly performed in underground coal mines prior to the extraction of a coal block. We recognise the relationship between the sample mass obtained from a strip sample and the precision of the breakage and analytical results. ALS also understands the need to select a representative strip sample and to recover the coal mass from a symmetrical-section channel from roof to floor. The sample must also be uncontaminated so that it is a true representation of the coal block. Sampling is followed by detailed sizing, determination of breakage behavior, float and sink fractionation and analytical testing. The data provides guidance to the resource company concerning the washability characteristics of the coal as it is beneficiated in the coal preparation plant. For this service, ALS is accredited to AS 2617 and ISO 13909 (Parts 1, 3, and 4) by the National Association of Testing Authorities (NATA).

Coal Preparation Plant Sampling

ALS coal sampling services are used to evaluate the efficiency of the whole coal preparation plant, an individual circuit within the plant, or individual component in the plant. In the coal preparation plant environment, ALS samplers operate safely while efficiently obtaining representative feed, product and reject samples for sizing and ash yield data. Our laboratories have the ability to process these samples in a timely manner to ensure our clients have the required data at the right time.