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BS ISO 13975:2012

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Plastics. Determination of the ultimate anaerobic biodegradation of plastic materials in controlled slurry digestion systems. Method by measurement of biogas production
Available format(s)

Hardcopy , PDF

Withdrawn date

05-11-2019

Language(s)

English

Published date

06-30-2012

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test and reference materials
6 Apparatus
7 Procedure
8 Calculation and expression of results
9 Expression and interpretation of results
10 Validity of results
11 Test report
Annex A (informative) - Examples of test systems
Annex B (informative) - Example of apparatus for measurement
        of biogas dissolved in slurry
Annex C (informative) - Example of a biodegradation curve
Annex D (informative) - Table of water vapour pressures at
        various temperatures
Bibliography

Describes a method of evaluating the ultimate anaerobic biodegradability of plastic materials in a controlled anaerobic slurry digestion system with a solids concentration not exceeding 15%, which is often found for the treatment of sewage sludge, livestock faeces or garbage.

Committee
PRI/21
DevelopmentNote
Supersedes 11/30211358 DC. (06/2012)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Withdrawn
SupersededBy
Supersedes

Standards Relationship
ISO 13975:2012 Identical

BS PAS 600(2013) : 2013 BIO-BASED PRODUCTS - GUIDE TO STANDARDS AND CLAIMS

ISO 14853:2016 Plastics Determination of the ultimate anaerobic biodegradation of plastic materials in an aqueous system Method by measurement of biogas production
ISO 13641-1:2003 Water quality Determination of inhibition of gas production of anaerobic bacteria Part 1: General test
ISO 13641-2:2003 Water quality Determination of inhibition of gas production of anaerobic bacteria Part 2: Test for low biomass concentrations
ISO 8245:1999 Water quality Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
ISO 15985:2014 Plastics — Determination of the ultimate anaerobic biodegradation under high-solids anaerobic-digestion conditions — Method by analysis of released biogas

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