Plastics. Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at constant value

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-23-2006

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Materials
5 Aqueous solutions
6 Apparatus
7 Procedure
   7.1 General
   7.2 Method A: Using saturated aqueous salt solutions
   7.3 Method B: Using aqueous glycerol solutions
   7.4 Method C: Using aqueous sulfuric acid solutions
8 Tolerances on standard atmospheres
   8.1 General
   8.2 Normal tolerances
   8.3 Close tolerances
9 Precision and bias
10 Test report
Annex A (normative) General features of a conditioning
                    enclosure with a volume of 15 dm[3]
                    to 200 dm[3]
Bibliography

Sets out guidelines for the construction and use of enclosures with volumes less than 200 dm[3], in order to obtain atmospheres of constant relative humidity at given temperatures, using saturated aqueous salt solutions, glycerol/water solutions or sulfuric acid/water solutions, for conditioning and testing plastics.

This International Standard establishes guidelines for the construction and use of enclosures with volumes less than 200dm³, in order to obtain atmospheres of constant relative humidity at given temperatures, using saturated aqueous salt solutions, glycerol/water solutions or sulfuric acid/water solutions, for conditioning and testing plastics.

It specifies the procedures to be followed to maintain the relative humidities of the conditioning and testing atmospheres within the required tolerances, at the temperatures specified by particular International Standards.

The procedures described are intended for conditioning small quantities of materials prior to test, and for such tests as may be carried out entirely within a small enclosure, e.g. electrical tests. The guidelines described do not apply to enclosures requiring frequent opening.

Committee	PRI/21
DevelopmentNote	Supersedes 04/30091671 DC. (03/2006)
DocumentType	Standard
Pages	22
PublisherName	British Standards Institution
Status	Current
Supersedes	04/30091671 DC : DRAFT APR 2004 BS EN ISO 483:1999

Standards	Relationship
NS EN ISO 483 : 2ED 2006	Identical
NEN EN ISO 483 : 2005	Identical
UNI EN ISO 483 : 2006	Identical
SN EN ISO 483 : 2006	Identical
I.S. EN ISO 483:2005	Identical
ISO 483:2005	Identical
UNE-EN ISO 483:2006	Identical
EN ISO 483:2005	Identical
NF EN ISO 483 : 2006	Identical
DIN EN ISO 483:2006-02	Identical
NBN EN ISO 483 : 2006	Identical
DIN EN ISO 483 E : 2006	Identical

ISO 291:2008	Plastics Standard atmospheres for conditioning and testing
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods

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BS EN ISO 483:2005

Plastics. Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at constant value

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory