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BS 6075-10:1981

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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

Hardcopy , PDF

Withdrawn date

12-01-2011

Language(s)

English

Published date

02-27-1981

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
Annex
    ISO publications relating to sodium hydroxide for
    industrial use
National appendix
    Removal of mercury from waste solutions

Describes a dithizone photometric method for determining the mercury content of sodium hydroxide for industrial use. Suitable for liquid or solid products having mercury (Hg) contents greater than 0,05 mg/kg.

Committee
W/-
DevelopmentNote
Supersedes 77/54039 DC Also numbered as ISO 5992. (11/2003)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Withdrawn

Standards Relationship
ISO 5790:1979 Similar to

BS 6075-11:1981 Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (flameless atomic absorption 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
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 5993:1979 Sodium hydroxide for industrial use — Determination of mercury content — Flameless atomic absorption spectrometric method
ISO 984:1974 Sodium hydroxide for industrial use Determination of silica content Reduced silico-molybdic complex photometric method
BS 6075-11:1981 Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (flameless atomic absorption 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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