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BS 6840-16:1989 - Sound system equipment - Guide to the 'RASTI' method for the objective rating of speech intelligibility in auditoria

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This International Standard specifies a method for the determination of polyethylene glycols and non-ionic active matter (adducts) in fatty alcohol and alkylphenol polyoxyethylate derivatives. Generally the commercial products contain polyethylene glycols as a by-product. The Weibull method allows the determination of both the non-ionic active matter (adducts) and the polyethylene glycols impurity.
Contributor(s):
NAAR - Data Entry Person
Primary Item Type:
British Standard
Identifiers:
ISBN 0580172392
ICS 33.160.30 Audio systems
Language:
English
Subject Keywords:
Precision; Sound intensity; Audibility; Modulation; Concert halls; Signal-to-noise ratio; Acoustic measurement; Reception; Circuits;
First presented to the public:
9/29/2025
Original Publication Date:
6/30/1989
Previously Published By:
British Standards Institution
Place Of Publication:
London, United Kingdom
Citation:
Extents:
Number of Pages - 5
License Grantor / Date Granted:
  / ( View License )
Date Deposited
2025-09-29 15:09:38.259
Submitter:
Nurul Aini Abdul Rahman

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