DIN EN 26461-1-1993 Water quality detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) part 1 method by enrichment in a liquid medium (ISO 6461-1 1986.pdf
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1、 SWnpdard referred ta (and moti induiialM in Refrtrnces): DIN 180 369E Water fan laboratory. ue requirement of caapacites;25 mi and lD ml! rwpectbet+. f water as the test smpl$ shaulkd b usedi periQdiCaii. a6 a- corn, in arder ta Nachweis und Zhlung der Sporen sulfitreduzierender Anaerobier (Clostri
2、dien); Flssigkeitsanreicherung (IS0 6461 - 1 : 1986) This standard, together with DIN EN 26461 Part 2, April 1993 edition, super- sedes DIN 38411 Part 7, November 1986 edition. European Standard EN 26 461 -1 : 1993 has the status of a DIN Standard. A comma is used as the decimal marker: This standar
3、d is part of the series Deutsche Einheitsverfahren zur Wasser-, Abwasser- und Schlammuntersuchung; mikrobiologische Verfahren (Gruppe K) (German standard methods for the examination of water, waste water and sludge; microbiological methods (group K). National foreword This standard has been publishe
4、d in accordance with a decision taken by CEN/TC 230 to adopt, without alteration, International Standard IS0 6461 -1 as a European Standard. The responsible German body involved in the preparation of this standard was the Normenausschu Wasserwesen (Water Practice Standards Committee). Expert assista
5、nce and specialized laboratories will be required to perform the analysis described in this standard. Depending on the objective of the analysis, a check shall be made in each individual case on whether and to what extent additional boundary conditions will have to be specified. NOTE: Standard metho
6、ds published as DIN Standards are obtainable from Beufh Verlag GmbH, either individ- ually or grouped in volumes. The standard methods included in the loose-leaf publication entitled Deutsche finheitsverfahren zur Wasser-, Abwasser- und Schlammuntersuchung will continue to be published by VCH Verlag
7、sgeselIschaff, Weinheim. The standard methods relating to the Wasserhaushalfsgesefz (German Water Management Act) itself and all the regulations on waste water that have been issued io date are included in DIN-Taschenbuch (DIN Handbook) 230. Standard methods or draft standards bearing the group titl
8、e German standard methods for the examination of water, waste water and sludge are classified under the following categories (main titles): General information (group A) (DIN 38402) Physical and physicochemical parameters (group C) (DIN 38404) Anions (group D) (DIN 38405) Cations (group E) (DIN 3840
9、6) Substance group analysis (group F) (DIN 38407) Gaseous constituents (group G) (DIN 38408) Parameters characterizing effects and substances (group H) (DIN 38409) Biological-ecological methods of analysis (group M) (DIN 38410) Microbiological methods (group K) (DIN 3841 1) Bio-assays (group L) (DIN
10、 38412) Individual constituents (group P) (DIN 38413) Sludge and sediments (group S) (DIN 38414) Bio-assays with microorganisms (group T) (DIN 38515) Information on Parts of these standards that have already been published can be obtained from the offices of the Nor- menausschu Wasserwesen, telephon
11、e (O 30) 26 O1 -24 23, or from Beuth Verlag GmbH, D-10772 Berlin. DIN IS0 3696 is the standard corresponding to International Standard IS0 3696 referred to in clause 3. Continued overleaf. En comprises 5 pages. Beoih VerIag GmbH, Berlin, has the exclusive right of sale for German Standards (DIN-Norm
12、en). DIN EN 26467 Part 1 Engl. Price group 6 09.93 Sales No. 1106 Page 2 DIN EN 26461 Part 1 : 1993 Standard referred to (and not included in References) DIN IS0 3696 Water for laboratory use; requirements and testing Previous edition DIN 38411 Part 7: 11.86. Amendments In comparison with DIN 38411
13、Part 7, November 1986 edition, details of the method (procedure and evaluation ) have been changed. International Patent Classification C12Q001/06 C 12 R O01 /145 G O1 N 033/18 EUROPEAN STANDARD NORME EUROPENNE EN 26 461 -1 EUROPISCHE NORM January 1993 UDC 628.1 /.3 620.1 : 543.39 579.852.1 3 Descri
14、ptors: Water, quality, water analysis, microbiological analysis, microorganisms, sulfite-reducing bacteria, clostridium. English version Water quality Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) Method by enrichment in a liquid medium (IS0 6461 -1 : 1986) Quali
15、t de leau; recherche et dnombre- ment de micro-organismes anarobies sulfito-rducteurs (clostridia); mthode par enrichissement dans un milieu liquide Wasserbeschaffenheit; Nachweis und Zhlung der Sporen sulfitreduzierender Anaerobier (Clostridien); Flssigkeits- anreicherung (IS0 6461 -1 : 1986) (IS0
16、6461 -1 : 1986) This European Standard was approved by GEN on 1993-01-20 and is identical to the IS0 Standard as referred to. CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national stand- ard
17、 without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A ver- sion in any other lan
18、guage made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Irelan
19、d, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, 8-1050 Brussels O 1993. Copyright reserved to all CEN
20、members. Ref. No. EN 26 461 -1 :1993 E Page 2 EN 26 461 - 1 : 1993 Foreword This European Standard is the endorsement of International Standard IS0 6461 -1 : 1986. Endorsement of IS0 6461 -1 Water quality; detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia); method by
21、enrichement in a liquid medium was recommended by CEN/Technical Committee 230 Water analysis under whose competence this European Standard will henceforth fall. In the countries bound to implement this European Standard, a national standard identical to this European Standard shall be published, and
22、 conflicting national standards withdrawn, by July 1993 at the latest In accordance with the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Neth
23、erlands, Norway Portugal, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of the International Standard IS0 6461 -1 : 1986 was approved by CEN as a European Standard without any modifi- cation. O Introduction Page 3 EN26461-1:1993 4 Definition The spores of sulfite-reducin
24、g anaerobes (clostridia) are wide- spread in the environment. They are present in human and animal faecal matter, in waste water and in soil. Unlike Escherichia coli and other coliform organisms, the spores sur- vive in water for long periods as they are more resistant than vegetative forms to the a
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