BS 4258-10:1978

Withdrawn

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of oxides of nitrogen content

Available format(s)

Hardcopy , PDF

Withdrawn date

01-12-2011

Language(s)

English

Published date

31-01-1978

Publisher

British Standards Institution

NO CONTENTS SECTION

Spectrophotometric measurement of the yellow-coloured nitrophenol, at a wavelength of about 435 nm, formed after permanganate oxidation of nitrous nitrogen to nitric nitrogen and reaction of the latter with 3,4-xylenol. Applicable to products having an oxides of nitrogen content, expressed as nitrogen, equal to or greater than 0.2 mg/kg. Also for use in the food industry.

Committee	CII/37
DevelopmentNote	Also numbered as ISO 3709 Supersedes 75/50855 DC (08/2005)
DocumentType	Standard
Pages	12
PublisherName	British Standards Institution
Status	Withdrawn

BS 4258-9:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of chloride content
BS 4258-12:1982	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Guide to sampling techniques
BS 4258-6:1976	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of arsenic content
BS 4258-7:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method
BS 4258-8:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of calcium content (flame atomic absorption method)

ISO/R 847:1968	Withdrawal of ISO/R 847-1968
BS 3978:1966	Specification for water for laboratory use
BS 4258-4:1975	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of fluorine content
BS 4258-2:1968	Methods of test for phosphoric acid for industrial use. Determination of iron content
BS 4258-9:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of chloride content
BS 4258-3:1975	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of sulphate content
BS 4258-6:1976	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of arsenic content
BS 4258-8:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of calcium content (flame atomic absorption method)
BS 4258-7:1978	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method
BS 4258-11:1982	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of lead content (atomic absorption spectrometric method)
BS 4258-5:1975	Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of silica content

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BS 4258-10:1978

Withdrawn

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