Methods of test for aluminium fluoride for industrial use Determination of phosphorus content

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-05-1983

Publisher

British Standards Institution

National foreword
Committees responsible
Method
1. Scope and field of application
2. References
3. Principle
4. Reagents and materials
5. Apparatus
6. Procedure
7. Expression of results
8. Test results
Annex
ISO publications relating to cryolite, natural and
artificial, and aluminium fluoride for industrial use

Test for aluminium fluoride and cryolite.

This International Standard specifies an atomic absorption spectrometric method, after extraction, for the determination of the phosphorus content of natural and artificial cryolite and of aluminium fluoride for industrial use.

The method is applicable to products having phosphorus contents, expressed as P₂O₅, in the range 5 to 60 mg/kg.

Committee	W/-
DevelopmentNote	Also numbered as BS 5050-13(1983) and ISO 6374. Supersedes 80/52713 DC. (07/2005)
DocumentType	Standard
Pages	10
PublisherName	British Standards Institution
Status	Current

BS 4993-9:1980	Methods of test for aluminium fluoride for industrial use Determination of sulphur content (X-ray fluorescence spectrometric method)
BS 4993-4:1980	Methods of test for aluminium fluoride for industrial use Preparation and storage of test samples
BS 4993-7:1980	Methods of test for aluminium fluoride for industrial use Determination of sodium content
BS 4993-3:1974	Methods of test for aluminium fluoride for industrial use Determination of silica content
BS 5050:1974	Methods of test for cryolite
BS 4993-6:1980	Methods of test for aluminium fluoride for industrial use Determination of moisture content (gravimetric method)
BS 4993-5:1980	Methods of test for aluminium fluoride for industrial use Determination of moisture content (Karl Fischer method)
BS 4993-8:1980	Methods of test for aluminium fluoride for industrial use Determination of sulphate content
BS 4993-2:1974	Methods of test for aluminium fluoride for industrial use Determination of iron content
ISO 5930:1979	Cryolite, natural and artificial, and aluminium fluoride for industrial use Determination of phosphorus content Reduced molybdophosphate photometric method
ISO 4277:1977	Cryolite, natural and artificial Conventional test for evaluation of free fluorides content
BS 5050-8:1980	Methods of test for cryolite Determination of calcium content
BS 4993-1:1974	Methods of test for aluminium fluoride for industrial use Determination of fluorine content

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BS 4993-10:1983

Methods of test for aluminium fluoride for industrial use Determination of phosphorus content

Table of Contents

Abstract

Scope

General Product Information

Standards Referencing This Book

Category

Subcategory