Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (flameless atomic absorption method)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-27-1981

Publisher

British Standards Institution

National foreword
Method
1 Scope and field of application
2 References
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
8 Expression of results
9 Notes on procedure
10 Test report
11 Bibliography
Annex
    ISO publications relating to sodium hydroxide for
    industrial use
National appendix
    Removal of mercury from waste solutions
Figure
    Typical apparatus for determination of mercury by
    atomic absorption

Describe a flameless atomic absorption spectrometric method for determining the mercury content of sodium hydroxide for industrial use. Suitable for liquid or solid products having mercury (Hg) contents greater than 0,02 mg/kg.

This International Standard specifies a flameless atomic absorption spectrometric method for the determination of the mercury content of sodium hydroxide for industrial use.

The method is applicable to liquid or solid products having mercury (Hg) contents greater than 0,02 mg/kg.

NOTE The alternative dithizone photometric method for the determination of mercury content, specified in ISO 5992, is intended for use in laboratories where flameless atomic absorption equipment is not available.

Committee	W/-
DevelopmentNote	Supersedes 77/54039 DC Also numbered as ISO 5993. (11/2003) Reviewed & Confirmed by BSI, July 2017. (06/2017)
DocumentType	Standard
Pages	16
PublisherName	British Standards Institution
Status	Current

BS 6075-10:1981

Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (photometric method)

ISO 980:1976	Sodium hydroxide for industrial use Determination of carbonates content Gas-volumetric method
ISO 3195:1975	Sodium hydroxide for industrial use — Sampling — Test Sample — Preparation of the main solution for carrying out certain determinations
BS 6075-10:1981	Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (photometric method)
ISO 986:1976	Sodium hydroxide for industrial use — Determination of calcium content — EDTA (disodium salt) complexometric method
ISO 3197:1975	Sodium hydroxide for industrial use — Determination of chlorides content — Photometric method
ISO 5790:1979	Inorganic chemical products for industrial use General method for determination of chloride content Mercurimetric method
ISO 983:1974	Sodium hydroxide for industrial use Determination of iron content 1,10- Phenanthroline photometric method
ISO 979:1974	Sodium hydroxide for industrial use — Method of assay
ISO 982:1976	Sodium hydroxide for industrial use Determination of sulphate content Barium sulphate gravimetric method
ISO 3697:1976	Sodium hydroxide for industrial use — Determination of calcium and magnesium contents — Flame atomic absorption method
ISO 984:1974	Sodium hydroxide for industrial use Determination of silica content Reduced silico-molybdic complex photometric method
ISO 5992:1979	Sodium hydroxide for industrial use Determination of mercury content Dithizone photometric method
ISO 985:1976	Sodium hydroxide for industrial use Determination of silica content Gravimetric method by precipitation of quinoline molybdosilicate
BS 6075-5:1981	Methods of sampling and test for sodium hydroxide for industrial use Sampling and preparation of main test solution
ISO 981:1973	Sodium hydroxide for industrial use — Determination of chloride content — Mercurimetric method
ISO 3196:1975	Sodium hydroxide for industrial use — Determination of carbonates content — Titrimetric method
ISO 3198:1975	Sodium hydroxide for industrial use — Determination of sulphur compounds — Method by reduction and titrimetry
BS 6075-0:1981	Methods of sampling and test for sodium hydroxide for industrial use General introduction

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BS 6075-11:1981

Current

Table of Contents

Abstract

Scope

General Product Information

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