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BSI PD IEC TS 62607-4-8:2020

BSI PD IEC TS 62607-4-8:2020

$102.76

Nanomanufacturing. Key control characteristics – Nano-enabled electrical energy storage. Determination of water content in electrode nanomaterials, Karl Fischer method

Published By Publication Date Number of Pages
BSI 2020 20
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This part of IEC 62607, which is a Technical Specification, specifies a test method for the determination of water content in electrode nanomaterials for nano-enabled electrical energy storage devices, using the Karl Fischer coulometric titration method.

This document includes:

  • recommendations for sample preparation,

  • outlines of the experimental procedures used to measure electrode nanomaterial properties, and

  • methods of interpretation of results and discussion of data analysis.

NOTE This method has precision as low as 0,000 1 %. The best applicable measure range is 0,01 % to 1 %.

This document is not applicable for samples that can react with the main components of Karl Fischer reagent and produce water, or samples that can react with iodine or iodide ion.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
11 5 Reagents
5.1 Coulometric Karl Fischer reagent
5.2 Methanol (anhydrous)
5.3 Carrier gas
5.4 Water standard for Karl Fischer coulometric titration
6 Apparatus
6.1 Karl Fischer coulometric titration apparatus
6.2 Evaporator
12 6.3 Analytical balance
6.4 Sample container
6.5 Micro-syringe
6.6 Dew-point hygrometer
7 Sample handling and sampling
7.1 Sample handling
Figures
Figure 1 – Example of Karl Fischer coulometric titration apparatus and evaporator
13 7.2 Sampling
8 Procedure
8.1 Maintenance
8.1.1 Reagent change
8.1.2 Cleaning
8.1.3 Calibration
8.2 Measurement steps
Tables
Table 1 – Sample mass against water to be determined
14 8.3 Water content of the sample
15 9 Precision
9.1 General
9.2 Repeatability
9.3 Reproducibility
10 Test report
16 Annex A (informative)Case study
A.1 General
A.2 Reagents
A.2.1 Coulometric Karl Fischer reagent
A.2.2 Methanol (anhydrous)
A.2.3 Carrier gas
A.2.4 Water standard for Karl Fischer coulometric titration
A.3 Apparatus
A.3.1 Karl Fischer coulometric titration apparatus
A.3.2 Evaporator
A.3.3 Analytical balance
A.3.4 Sample container
A.3.5 Micro-syringe
17 A.3.6 Dew-point hygrometer
A.4 Sampling
A.5 Measurement steps
A.6 Test results
Figure A.1 – Sample container
18 Table A.1 – Test data of water content in sample A
19 Bibliography

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BSI PD IEC TS 62607-4-8:2020
$102.76