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AS 1141.35-2007

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods for sampling and testing aggregates Sugar
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

01-24-2024

Language(s)

English

Published date

08-31-2007

Preview

1 - AS 1141.35-2007 METHODS FOR SAMPLING AND TESTING AGGREGATES - METHOD 35: SUGAR
1 - 1 SCOPE
1 - 2 NORMATIVE REFERENCES
1 - 3 TERMS AND DEFINITIONS
1 - 4 APPARATUS
1 - 5 TEST PORTION
1 - 6 SOLUTIONS REQUIRED
2 - 7 TEST PROCEDURE
2 - 8 REPORT

This Standard sets out a qualitative method for the detection of sugar in aggregates.

This Standard sets out a qualitative method for the detection of sugar in aggregates.A positive reaction is given by one part of sugar in one thousand parts of aggregates. No visible reaction is given by one part of sugar in 10 000 parts of aggregates.NOTE: The basis of the test is that, although Fehlings solution does not react directly with cane sugar (sucrose), it does react with glucose (grape sugar). Therefore cane sugar, if present, is first converted into invert sugar (glucose plus fructose) by boiling with hydrochloric acid. The glucose so formed reacts with Fehlings solution, giving a positive test. Although cane sugar is perhaps the most likely sugar source if concrete aggregate is accidentally contaminated, the test also detects contamination from honey, wine, fruit juices or other sources of glucose.

Committee
CE-012
DocumentType
Standard
ISBN
0 7337 8361 9
Pages
2
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

First published as part of AS A77-1957.Revised and redesignated in part as AS 1141-1974.Revised and redesignated in part as AS 1141.35-1995.Second edition 2007. Originated as part of AS 1141-1974. Revised and redesignated in part as AS 1141.35-1995. Second edition 2007.

AS 1141.1-1996 Methods for sampling and testing aggregates Definitions
AS 1141.3.1-1996 Methods for sampling and testing aggregates Sampling - Aggregates

AS 2758.1-1998 Aggregates and rock for engineering purposes - Concrete aggregates
AS 1379-2007 Specification and supply of concrete (Reconfirmed 2017)
AS 4773.2-2010 Masonry in small buildings - Construction

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