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BS 5551-4.2.2:1987

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Fertilizers. Chemical analysis. Determination of phosphorus. Extraction of phosphates soluble in mineral acids

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-11-1987

Withdrawn date

22-05-2026

Foreword
1 Scope
2 Method A - Method using hydrochloric acid/nitric
             acid mixture
3 Method B - Method using sulphuric acid/nitric
             acid mixture
4 Test report
Publications referred to

The methods use a hydrochloric acid/nitric acid mixture and a sulphuric acid/nitric acid mixture. Specifies reagents, apparatus and procedure.

Committee
CII/37
DevelopmentNote
Supersedes 82/56098 DC. (08/2005) Reviewed and confirmed by BSI, December 2012. (11/2012)
DocumentType
Standard
Pages
4
PublisherName
British Standards Institution
Status
Withdrawn

Withdrawn:This standard is no longer used

Standards Relationship
ISO 7497:1984 Similar to

BS 5551-4.2.3:1987 Fertilizers. Chemical analysis. Determination of phosphorus. Method for determination of phosphorus content (quinoline molybdophosphate gravimetric method)