🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BS ISO 22863-9:2021

BS ISO 22863-9:2021

$102.76

Fireworks. Test methods for determination of specific chemical substances – Mercury content by hydride generation atomic fluorescence spectrometry

Published By Publication Date Number of Pages
BSI 2021 18
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

This document specifies the test method for the determination of the mercury content in pyrotechnic compositions by hydride generation atomic fluorescence spectrometry.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
9 1 Scope
2 Normative references
3 Terms and definitions
4 Principle of the method
5 Reagents
5.1 Hydrochloric acid (GR)
5.2 Nitric acid (GR)
5.3 Potassium dichromate (GR)
10 5.4 Sodium hydroxide (GR)
5.5 Potassium borohydride (AR)
5.6 Nitric acid solution (volume fraction 5 %):
5.7 Nitric diluted solution of potassium dichromate (0,5 g/l):
5.8 Hydrochloric acid-nitric acid mixed reagent [(1 + 1) aqua regia]:
5.9 Sodium hydroxide solution (mass fraction 0,2 %):
5.10 Potassium borohydride solution (mass fraction 2 %):
5.11 Mercury standard solution (1 000 mg/l)
5.12 Mercury standard intermediate solution (1 µg/ml):
5.13 Mercury standard use solution (20 µg/l):
5.14 Preparation of mercury standard working curve solutions:
6 Apparatus
6.1 Agate mortar
6.2 80 mesh standard sample sieve
6.3 Water bath
11 6.5 Volumetric flasks (50 ml)
6.7 Filter paper
7 Test procedure
7.1 Sample pre-treatment, digestion and preparation of the solution to be tested
7.2 Test conditions
8 Calculations
12 9 Accuracy
10 Other
11 Test report
13 Annex A (informative) Standard addition method

Related products

BS ISO 22863-9:2021
$102.76