Sodium hydroxide for industrial use — Determination of carbonates content — Titrimetric method

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

05-01-1975

Publisher

International Organization for Standardization

Applicable to products having contents, expressed as CO2 , of more than 0.01 % (m/m). Relates to a procduct containing neither sulphides nor chlorates or only sulphides or only chlorates. Preliminary test by boiling an acidified test sample in the presence of methyl orange and with a lead acetate paper strip in the vapour. The sulphides blacken the paper and chlorates delolourize the methyl orange. Products containing neither sulphides nor chlorates: liberation of carbon dioxide by acidification and heating. Entrainment in a flow of gas and absorption in an excess of barium hydroxide solution. Titration of the excess barium hydroxide solution with a standard volumetric hydrochloric acid solution in the presence of thymolphthalein as indicator.

Committee	ISO/TC 47
DevelopmentNote	Also numbered as BS 6075-6(1981) (09/2005)
DocumentType	Standard
Pages	4
PublisherName	International Organization for Standardization
Status	Current

Standards	Relationship
PN ISO 3196 : 2002	Identical
NBN T 03 130 : 1980	Identical
NFT 20 426 : 76 FD	Identical

BS 6075-11:1981	Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (flameless atomic absorption method)
ISO 979:1974	Sodium hydroxide for industrial use — Method of assay
I.S. EN 896:2012	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE
12/30257898 DC : 0	BS EN 896 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE
BS 6075-8:1981	Methods of sampling and test for sodium hydroxide for industrial use Determination of sulphate content
DIN EN 896:2013-02	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE
UNI EN 896 : 2013	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE
BS 6075-9:1981	Methods of sampling and test for sodium hydroxide for industrial use Determination of calcium and magnesium contents
BS 6075-10:1981	Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (photometric method)
BS EN 896:2012	Chemicals used for treatment of water intended for human consumption. Sodium hydroxide
UNE-EN 896:2013	Chemicals used for treatment of water intended for human consumption - Sodium hydroxide
EN 896:2012	Chemicals used for treatment of water intended for human consumption - Sodium hydroxide
PREN 896 : DRAFT 2012	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE

ISO 3195:1975

Sodium hydroxide for industrial use — Sampling — Test Sample — Preparation of the main solution for carrying out certain determinations

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ISO 3196:1975

Current

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