M00029337
New product
LEATHER - CHEMICAL DETERMINATION OF CHROMIC OXIDE CONTENT - PART 2: QUANTIFICATION BY COLORIMETRIC DETERMINATION
International Organization for Standardization
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Availability date: 11/05/2021
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling and sample preparation
6 Reagents
6.1 Alkaline fusion method
6.2 Photometric determination
7 Apparatus
8 Methods
8.1 Alkaline fusion method
8.2 Measurement of the aqueous solution
8.3 Preparation of the calibration solution
9 Check of the analytical system
10 Calculation and expression of results
10.1 General
10.2 Repeatability
11 Test report
Annex A (informative) Determination of water and other volatile
matter
Specifies the determination of chrome by colorimetric means.
Published | |
Document Type | Standard |
Status | Current |
Publisher | International Organization for Standardization |
Pages | |
ISBN | |
Committee | IULTCS |
Supersedes |
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