Sodium hydroxide for industrial use — Method of assay

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

Language(s)

English, French

Published date

12-01-1974

Publisher

International Organization for Standardization

Method for determination of the titre; this is expressed conventionally as percentages by mass of NaOH, a) as total alkalinity and b) as caustic alkalinity, corresponding to the total alkalinity less the alkalinity due to carbonates. The principle consists in titration of the total alkalinity with standard volumetric hydrochloric acid solution in the presence of methyl orange as indicator. Calculation of the two amounts a) and b). The mass of carbon dioxide is determined by the method specified in ISO 3196. This method has also been approved by the IUPAC. - Cancels and replaces ISO Recommendation R 979-1969 of which it constitutes a technical revision.

Committee	ISO/TC 47
DevelopmentNote	Also numbered as BS 6075-1(1981) (09/2005)
DocumentType	Standard
Pages	2
PublisherName	International Organization for Standardization
Status	Current

Standards	Relationship
UNE 55601:1978	Identical
NFT 20 422 : 76 FD	Identical
NBN T 03 121 : 1980	Identical
PN ISO 979 : 2002	Identical

BS 6075-11:1981	Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (flameless atomic absorption method)
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
ISO 3196:1975	Sodium hydroxide for industrial use — Determination of carbonates content — Titrimetric method

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ISO 979:1974

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