BS 4258-10:1978, ISO 3709-1976 - Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of oxides of nitrogen content

BS 4258-10:1978, ISO 3709-1976

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

Status : Withdrawn   Published : January 1978

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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.




Standard NumberBS 4258-10:1978, ISO 3709-1976
TitleMethods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of oxides of nitrogen content
StatusWithdrawn
Publication Date31 January 1978
Confirm Date15 December 1996
Withdrawn Date01 December 2011
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
International RelationshipsISO 3709
Draft Superseded By75/50855 DC
DescriptorsPhosphoric acid, Determination of content, Industrial, Quantitative analysis, Spectrophotometry, Nitrogen oxides, Calibration, Laboratory glassware, Distillation methods of analysis, Distillation equipment, Colorimetry, Xylenol, Chemical analysis and testing, Test equipment
ICS71.060.30
Title in FrenchMéthodes d'essai de l'acide phosphorique (acide orthophosphorique) à usage industriel. Dosage des oxydes d'azote
Title in GermanPruefmethoden fuer Phosphorsaeure (Orthophosphorsaeure) in industrielle Anwendung. Bestimmung des Stickstoffoxidegehaltes
CommitteeCII/37
ISBN0 580 09948 2
PublisherBSI
FormatA4
DeliveryNo
Pages12
File Size362.9 KB
NotesThis standard has been withdrawn as is it identical to ISO 3709:1976 which has been withdrawn by ISO/TC 47
Price£110.00


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