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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
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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
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
BS ISO 22863-10:2021
$102.76