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EN ISO 5398-1:2007

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Leather - Chemical determination of chromic oxide content - Part 1: Quantification by titration (ISO 5398-1:2007)
Superseded date

07-20-2019

Published date

08-01-2007

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling and sample preparation
6 Reagents
   6.1 Wet oxidation method
   6.2 Alkaline fusion method
   6.3 Iodometric titration
7 Apparatus
8 Methods
   8.1 Preparation of analytical solution
   8.2 Measurement of the aqueous solution
9 Calculation and expression of results
   9.1 General
   9.2 Repeatability
10 Test report
Annex A (informative) - Determination of water and other
                        volatile matter

ISO 5398-1:2007 describes a method for the determination of chromium in aqueous solution obtained from leather. This is an analysis for total chromium in leather; it is not compound specific or specific to its oxidation state. This method describes the determination of chrome by iodometric titration and is to be applicable to chromium-tanned leathers which are expected to have chromic oxide contents in excess of 0,3 %. Two different methods are described as alternatives for obtaining chromium in a suitable solution. It is appropriate to use either method.

Committee
CEN/TC 289
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

I.S. EN 16419:2014 LEATHER - CHAMOIS LEATHER FOR CLEANING PURPOSES - CLASSIFICATION AND REQUIREMENTS
BS EN 16419:2014 Leather. Chamois leather for cleaning purposes. Classification and requirements
DIN EN 16419:2014-06 LEATHER - CHAMOIS LEATHER FOR CLEANING PURPOSES - CLASSIFICATION AND REQUIREMENTS
DIN EN 16419 E : 2014 LEATHER - CHAMOIS LEATHER FOR CLEANING PURPOSES - CLASSIFICATION AND REQUIREMENTS
BS EN 15987:2015 Leather. Terminology. Key definitions for the leather trade
I.S. EN 15987:2015 LEATHER - TERMINOLOGY - KEY DEFINITIONS FOR THE LEATHER TRADE
UNE-EN 16419:2014 Leather - Chamois leather for cleaning purposes - Classification and requirements
EN 16419:2014 LEATHER - CHAMOIS LEATHER FOR CLEANING PURPOSES - CLASSIFICATION AND REQUIREMENTS
DIN EN 15987:2015-07 Leather - Terminology - Key definitions for the leather trade
UNI EN 16419 : 2014 LEATHER - CHAMOIS LEATHER FOR CLEANING PURPOSES - CLASSIFICATION AND REQUIREMENTS
UNE-EN 15987:2015 Leather - Terminology - Key definitions for the leather trade
EN 15987:2015 Leather - Terminology - Key definitions for the leather trade
13/30283946 DC : 0 BS EN 15987 - LEATHER - TERMINOLOGY - KEY DEFINITIONS FOR THE LEATHER TRADE

ISO 2418:2017 Leather — Chemical, physical and mechanical and fastness tests — Sampling location
ISO 4044:2017 Leather — Chemical tests — Preparation of chemical test samples
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 4684:2005 Leather Chemical tests Determination of volatile matter
ISO 4047:1977 Leather — Determination of sulphated total ash and sulphated water-insoluble ash

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