BS ISO 4626:2023
$142.49
Volatile organic liquids. Determination of boiling range of organic solvents used as raw materials
| Published By | Publication Date | Number of Pages |
| BSI | 2023 | 30 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 7 | Foreword |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Principle 5 Apparatus |
| 17 | 6 Sampling |
| 18 | 7 Assembly and preparation of apparatus 7.1 Assembly 7.1.1 General 7.1.2 Position and choice of thermometer 7.1.3 Support for flask 7.1.4 Connection of flask to condenser 7.2 Filling of cooling bath 7.3 Adjustment of temperature of sample |
| 19 | 8 Procedure 8.1 Test portion 8.2 Apparatus assembly 8.3 Operating conditions 8.3.1 General 8.3.2 Materials with boiling point below 150 Ā°C 8.3.3 Materials with boiling point above 150 Ā°C |
| 20 | 8.4 Initial boiling point 8.5 Distillation 8.6 Dry point 8.7 End point 8.8 Atmospheric pressure 8.9 Recovery 8.10 Distillation loss |
| 21 | 9 Notes on procedure 9.1 Factors causing superheating 9.2 Flame in contact with the flask 9.3 Application of heat 9.4 Extraneous heat source 9.5 Condition of equipment 9.6 Use of electric heaters 9.7 Safety precautions 9.7.1 Peroxide formation |
| 22 | 9.7.2 Flammability 10 Calculations 10.1 Thermometer bore correction 10.2 Thermometer bulb shrinkage correction 10.3 Barometer correction |
| 23 | 10.4 Combined corrections 10.5 Precision 10.5.1 General 10.5.2 Repeatability, r 10.5.3 Reproducibility, R |
| 24 | 11 Test report |
| 25 | Annex A (normative) Thermometer to be used, normal boiling point and boiling point correction factor |
| 28 | Annex B (informative) Test for peroxides |
| 29 | Bibliography |
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