BS ISO 22863-10:2021
$102.76
Fireworks. Test methods for determination of specific chemical substances – Nitrogen content in nitrocellulose by iron(II) sulfate titration
Published By | Publication Date | Number of Pages |
BSI | 2021 | 18 |
This document specifies the method for determination of the nitrogen content in nitrocellulose within pyrotechnic compositions of fireworks by iron(II) sulphate titration.
PDF Catalog
PDF Pages | PDF Title |
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2 | National foreword |
6 | Foreword |
9 | 1 Scope 2 Normative reference 3 Terms and definitions 4 Principle 5 Reagents and materials |
10 | 5.2 Potassium Nitrate (Pure) 5.4 Distilled Water 6 Apparatus 6.1 Any (manual or automatic) pH meter capable of measuring pH with a precision better than 0,1 6.2 Platinum Electrode for pH measurement 6.3 Glass, graphite or tungsten Electrode for pH measurement (reference electrode) 6.4 Magnetic Stirrer base with stirring bar 6.5 Blender 6.6 Cooling bath (e.g. ice bath) and/or other mechanical cooling system 6.7 Opaque vessel 6.8 Agate mortar 6.9 150 ml and 200 ml beakers 6.10 Petri dishes 6.11 250 ml Erlenmeyer 6.12 Antistatic plastic bags 6.14 Desiccator with drying agent (with colour indicator) 6.15 Laboratory reflux apparatus 6.16 100 Ā°C drying oven 6.17 40 Ā°C drying oven 6.18 50 Ā°C drying oven 6.19 Timer (seconds) |
11 | 6.20 Tissue paper or filtration paper 7 Preparation of the sample 7.1 Preliminary precaution 7.2 Step One 7.3 Step Two |
12 | 7.4 Step Three 8 Preparation and calibration of the iron(II) sulphate solution 8.1 Preparation 8.2 Calibration |
14 | 9 Titration of the last solid residue |
15 | 10 Test report |
16 | Bibliography |