AS 4078-1992 (R2018)

Table of Contents

1 -  AS 4078:1992 FIRE PROTECTION - FIRE EXTINGUISHING MEDIA - CARBON DIOXIDE
4 -  PREFACE
5 -  CONTENTS
6 -  1 Scope
6 -  2 Normative references
6 -  3 Definition
6 -  4 Requirements
6 -  5 Sampling
6 -  5.1 General
6 -  5.2 Sampling equipment
6 -  5.3 Procedure
6 -  5.3.1 General
7 -  5.3.2 Direct sampling
7 -  5.3.3 Sampling in cylinders
7 -  6 Methods of test
7 -  6.1 Safety warning
7 -  6.2 Purity
7 -  6.3 Water content
7 -  6.4 Oil content
7 -  6.5 Total sulfur compounds content
7 -  7 Packaging and labelling
8 -  Annex A - Determination of water content
8 -  A.1 Principle
8 -  A.2 Apparatus and material
8 -  A.2.1 Two absorption tubes
8 -  A.2.2 Flow meter
8 -  A.2.3 Gas meter
8 -  A.2.4 Test sieves
8 -  A.2.5 Desiccant
8 -  A.3 Sampling
8 -  A.4 Determination
8 -  A.5 Expression of results
9 -  Annex B - Determination of oil content
9 -  B.1 Principle
9 -  B.2 Agents
9 -  B.2.1 Carbon tetrachloride
9 -  B.2.2 Standard oil solution.
9 -  B.3 Apparatus
9 -  B.3.1 Two bubblers
9 -  B.3.2 Drechsel bottle
9 -  B.3.3 Flow meter
9 -  B.3.4 Gas meter
9 -  B.3.5 Infra-red spectrometer and accessories
9 -  B.4 Sampling
9 -  B.5 Procedure
9 -  B.5.1 Preparation of test solution
9 -  B.5.2 Preparation of blank test solution
9 -  B.5.3 Spectrometric measurements
9 -  B.5.4 Preparation of the calibration graph
10 -  B. 6 Expressi on of results
11 -  Figure B. 1 - Bubbler for the determination of oil content
12 -  Annex C - Determination of total sulfur compounds content
12 -  C.1 Principle
12 -  C.2 Reagents
12 -  C. 2.1 Hydrogen,
12 -  C. 2. 2 Hydrochloric acid,
12 -  C. 2.3 Soda lime,
12 -  C. 2.4 Cadmium chloride,
12 -  C. 2.5 Sodium thiosulfate,
12 -  C. 2.6 Iodine,
12 -  C. 2.7 Starch indicator solution.
12 -  C.3 Apparatus
12 -  C. 3.1 Flow meter,
12 -  C. 3.2 Flow meter,
12 -  C. 3.3 Two furnace tubes,
12 -  C. 3.4 Furnace and control:
12 -  C. 3.5 Soda lime tower,
12 -  C. 3.6 ‘Y’ tube.
12 -  C. 3.7 Bubbler,
12 -  C. 3.8 Burette,
12 -  C. 3.9 Pipette,
12 -  C. 3.10 Test sieves,
12 -  C.4 Sampling
13 -  C.5 Procedure
13 -  C.6 Expression of results
14 -  Annex D - General properties
14 -  D.1 Physical properties
14 -  D.2 Electrical conductivity
14 -  D.3 Effects on materials
14 -  D.4 Static electricity
14 -  D.5 Toxicology
15 -  Annex E - Safety precautions for handling
17 -  Annex G - Toxicology
17 -  G.1 General
17 -  G.2 Precautions and treatment

Abstract

Specifies requirements for carbon dioxide for use as fire extinguishing media. It is identical with and has been reproduced from ISO 5923:1989.

RECONFIRMATION NOTICE
Technical Committee FP-003 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.
Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.
Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 19 October 2018.
The following are represented on Technical Committee FP-003:
Association of Accredited Certification Bodies
Australasian Fire and Emergency Service Authorities Council
Australian Building Codes Board
Australian Industry Group
Australian Institute of Building Surveyors
CSIRO
Fire Protection Association Australia
Fire Protection Association New Zealand
Institute of Fire Engineers (New Zealand)
Insurance Council of Australia Limited
National Fire Industry Association
TestSafe Australia

Scope

This International Standard specifies requirements for carbon dioxide for use as a fire extinguishing medium.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Standards Australia
ProductNote	Reconfirmed 16/11/2018. This standard has been reconfirmed in Australia in 2018 and remains current in New Zealand. Reconfirmation Notice 16/11/2018
Pages
ISBN
Committee	FP-003