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BS EN ISO 14088:2020

BS EN ISO 14088:2020

$102.76

Leather. Chemical tests. Quantitative analysis of tanning agents by filter method

Published By Publication Date Number of Pages
BSI 2020 18
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This document specifies a test method for the determination of tanning agents through filtration of all vegetable and synthetic tanning products.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
5.4 Formic acid, technical grade.
8 6 Apparatus
6.3 Water bath.
9 6.9 Hoffman clamp.
6.10 1 000 ml volumetric flasks.
6.11 50 ml pipette.
10 6.14 50 ml and 100 ml measuring cylinders.
6.15 Rubber pipette filler.
7 Sampling and sample preparation
8 Instrumental analysis
8.1 Preparation of the analytical solution
8.1.1 Vegetable tanning agents
11 8.1.2 Synthetic tanning agents
8.2 Preparation of the Procter bell
8.3 De-tanning the analytical solution (determination of the non-tanning agents)
12 8.4 Determination of soluble substances
8.5 Determination of total solids
9 Calculation and expression of the results
13 10 Test report
15 Annex A (normative) Determination of hide powder blank value
16 Annex B (informative) Suppliers of hide powder

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BS EN ISO 14088:2020
$102.76