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BS 6075-9:1981

Current
Current

The latest, up-to-date edition.

Methods of sampling and test for sodium hydroxide for industrial use Determination of calcium and magnesium contents
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-27-1981

Publisher

British Standards Institution

NO CONTENTS SECTION

Describes a flame atomic absorption method for determining the calcium and magnesium contents of sodium hydroxide for industrial use. Suitable for products having Ca and Mg contents greater than 2,5 mg/kg and 0,5 mg/kg respectively using an acetylene air flame and 0,6 mg/kg and 1,0 mg/kg respectively, using an acetylene dinitrogen monoxide flame.

This International Standard specifies a flame atomic absorption method for the determination of the calcium and magnesium contents of sodium hydroxide for industrial use.

The method is applicable to products having Ca and Mg contents greater than

  • 2,5 mg/kg and 0,5 mg/kg respectively, if an acetylene-air flame is used;
  • 0,6 mg/kg and 1,0 mg/kg respectively, if an acetylene-dinitrogen monoxide flame is used.

Committee
W/-
DevelopmentNote
Also numbered as ISO 3697 Supersedes 75/50812 DC (09/2005)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Current

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 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 984:1974 Sodium hydroxide for industrial use Determination of silica content Reduced silico-molybdic complex 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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Hardcopy - English
PDF - English
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