BSI PD IEC TS 62607-6-13:2020
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Nanomanufacturing. Key control characteristic – Graphene powder. Oxygen functional group content: Boehm titration method
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 36 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 4 | CONTENTS |
| 6 | FOREWORD |
| 8 | INTRODUCTION |
| 9 | 1 Scope 2 Normative references 3 Terms, definitions, symbols and abbreviated terms |
| 10 | 3.1 Terms and definitions 3.1.1 General terms |
| 11 | 3.1.2 Key control characteristics measured according to this document oxygen functional group 3.1.3 Terms related to the measurement method 3.2 Symbols and abbreviated terms |
| 12 | 4 General 4.1 Measurement principle 4.2 Sample preparation method Figures Figure 1 – Test principle of Boehm titration Tables Table 1 – Four types of oxygen functional group and their structures |
| 13 | 4.3 Description of measurement equipment / apparatus 4.3.1 Analytical balance, readability is 0,1 mg. 4.3.2 Electric thermostatic drying oven 4.3.3 Numerical control magnetic agitator/oscillator 4.3.4 Automatic potentiometer, with pH electrode and accurate to 0,1 mV. 4.3.5 HDPE bottles, the volume are 1 000 mL and 100 mL, with stopper. 4.4 Supporting materials 4.5 Ambient conditions during measurement 5 Measurement procedure 5.1 Detailed protocol of the measurement procedure 5.1.1 Preparation of solutions Table 2 – Reagents used in this document |
| 15 | 5.1.2 Reactions between graphene and bases 5.1.3 Instrument preparation 5.1.4 Titration of the filtrate |
| 16 | 5.2 Measurement uncertainty 5.3 Operation procedure, key control steps and case study 6 Data analysis / interpretation of results 6.1 Normalized base consumption |
| 17 | 6.2 Oxygen functional group content 7 Results to be reported 7.1 General 7.2 Product/sample identification 7.3 Test results |
| 18 | Annexes Annex A (informative) Operation procedure and key control steps A.1 Operation procedure Figure A.1 – Operation procedure |
| 19 | A.2 Key control steps Figure A.2 – Key control steps |
| 20 | Annex B (informative) Influence of CO2 B.1 Effect of CO2 on titration of base concentration Figure B.1 – Titration curves of NaOH solution |
| 21 | B.2 Effect of CO2 on base consumption Table B.1 – Titration results of back titration and direct titration of NaOH solution Table B.2 – Results of base consumption of NaOH with and without bubbling N2 |
| 22 | Annex C (informative) Lower limit of determination C.1 Experiment of lower mass of reacted sample A C.2 Determination of detection limits Figure C.1 – The normalized base consumption of different amounts of sample A |
| 23 | Table C.1 – Base consumption result of sample A |
| 24 | Table C.2 – Oxygen functional group content result Table C.3 – Detection limits for different sample amounts |
| 25 | Annex D (informative) Test report D.1 Example of a test record D.2 Format of the test report Table D.1 – Data for calibration of titrant acid Table D.2 – Data for Boehm titration |
| 26 | Table D.3 – Product identification (according to IEC 62565-3-1) Table D.4 – General material description (according to IEC 62565-3-1) Table D.5 – Measurement results |
| 27 | Annex E (informative) Case study E.1 Preparation of solution E.2 Sample preparation E.3 Reactions between graphene and bases |
| 28 | E.4 Titration of the filtrate |
| 29 | Figure E 1 – Titration curves of A0 filtrate (upper left), B0 filtrate (upper right), C0 filtrate (lower left), and D0 filtrate (lower right) Table E.1 – Measurement data |
| 30 | E.5 Calculation |
| 31 | Table E.2 – Normalized base consumption of sample 1 |
| 32 | E.6 Test report Table E.3 – Product identification of sample 1 Table E.4 – General material description of sample 1 Table E.5 – Measurement results of sample 1 |
| 33 | Bibliography |
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BSI PD IEC TS 62607-6-13:2020
Nanomanufacturing. Key control characteristic – Graphene powder. Oxygen functional group content: Boehm titration method Published…
