BS 4258-10:1978
Withdrawn
Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of oxides of nitrogen content
Hardcopy , PDF
English
01-31-1978
12-01-2011
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Withdrawn
|
| Standards | Relationship |
| UNE-EN 61228:2008 | Identical |
This standard has been withdrawn and is no longer current. No replacement edition is available.
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