BS 4258-10:1978
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Methods of test for phosphoric acid (orthophosphoric acid) for industrial use Determination of oxides of nitrogen content
Hardcopy , PDF
English
31-01-1978
01-12-2011
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Withdrawn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This standard has been withdrawn and is no longer current.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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