WATER QUALITY. DETERMINATION OF KJELDAHL NITROGEN. METHOD AFTER MINERALIZATION WITH SELENIUM. (ISO 5663:1984).

Available format(s)

Hardcopy , PDF

Language(s)

Spanish, Castilian, English

Published date

14-06-1994

Publisher

Asociacion Espanola de Normalizacion

Cooperating organizations
National foreword
Foreword
Text of EN 25663 - No contents section
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-reference

Specifies a method for the determination of nitrogen by a Kjeldahl-type method. Coverage includes reagents, apparatus, procedure, interferences and suggested procedure for removal of selenium from mineralisation residues.

Committee	CTN 77/SC 1
DevelopmentNote	Supersedes UNE 77055. (07/2003)
DocumentType	Standard
Pages	12
PublisherName	Asociacion Espanola de Normalizacion
Status	Current
Supersedes	UNE 77055:1983

Standards	Relationship
NF EN 25663 : 1994	Identical
ISO 5663:1984	Identical
NBN EN 25663 : 1994	Identical
I.S. EN 25663:1994	Identical
UNI EN 25663 : 1995	Identical
BS EN 25663:1993	Identical
EN 25663 : 1993	Identical
DIN EN 25663:1993-11	Identical