Hola! Hay poco contexto, pero creo que la sigla corresponde a NITROGEN PHOSPHORUS DETECTOR

Revisa este link:

http://web.udl.es/dept/quimica/cat/serveis/sedai/cromat/GC2c...

Suerte

[PDF] EUROPEAN TECHNICAL APPROVAL OF TIMBER FRAME AND LOG BUILDING KITSFile Format: PDF/Adobe Acrobat
Assessment of water vapor permeability and. watertightness provides for that the ... NPD (no performance determined) until a test method has. been settled. ...
www.vtt.fi/liitetiedostot/ all_clusters/tf_log_house_eta.pdf - Similar pages


[PDF] ETAG No 018 FIRE PROTECTIVE PRODUCTS Part 1 : GENERALFile Format: PDF/Adobe Acrobat - View as HTML
case the ETA will state "no performance determined" against that aspect, except for those ... (NPD option not allowed). 6.3.1 Air and water permeability ...
www.eota.be/pdf/ETAGFisproma2November04part1General.pdf - Similar pages


[PDF] ETAG 019 PREFABRICATED WOOD-BASED LOADBEARING STRESSED SKIN PANELSFile Format: PDF/Adobe Acrobat - View as HTML
water vapour permeability are not known, they shall have been determined by testing. ... ETA, the NPD-option (no performance determined) is applicable . ...
www.eota.be/pdf/ETAG2004 November.pdf - Similar pages
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[PDF] Electronic CopyFile Format: PDF/Adobe Acrobat
reaction to fire class : no performance determined. (NPD). Page 3 of European Technical Approval ETA 03/0052 ... Water vapour permeability — 18.2 gm ...
www.bbacerts.co.uk/certs/00/Eta0052_web.pdf - Similar pages


[PDF] Electronic CopyFile Format: PDF/Adobe Acrobat
reaction to fire class : no performance determined. (NPD). 4 Assumptions under which the fitness of the ... Water vapour permeability — 7.8 gm ...
www.bbacerts.co.uk/certs/00/Eta0056_web.pdf - Similar pages


[DOC] prEN 998-3 June 2003 2° draftFile Format: Microsoft Word - View as HTML
Liquid water permeability shall be determined in accordance with EN 1062-3. ... “No performance determined” (NPD) for characteristics where this is not ...
www.rtstandardisointi.fi/komiteat/ tc125/dokumentit/prEN998-3sept03.doc - Similar pages


[DOC] CEN TC 128File Format: Microsoft Word - View as HTML
Water permeability. The products covered by this European Standard are water ... The "No performance determined" [NPD] option shall not be used where the ...
www.rtstandardisointi.fi/ komiteat/tc128/dokumentit/sc7n255.doc - Similar pages
[ More results from www.rtstandardisointi.fi ]


[PDF] GUIDANCE PAPER D CE MARKING UNDER THE CONSTRUCTION PRODUCTS DIRECTIVEFile Format: PDF/Adobe Acrobat - View as HTML
conductivity or water vapour permeability of well known materials). The generic ... NPD means that the producer uses the. “No Performance Declared” option ...
www.sis.se/upload/632128016713656250.pdf - Similar pages


[PDF] GUIDANCE PAPER D CE MARKING UNDER THE CONSTRUCTION PRODUCTS DIRECTIVEFile Format: PDF/Adobe Acrobat - View as HTML
acronym “NPD” (No Performance Determined) shall be explicitly indicated in ... conductivity or water vapour permeability of well known materials). The ...
europa.eu.int/.../nando-is/cpd/positionpapers/ document/GP%20D%20-%20CE%20marking%20-%2027%20May%202004.pdf - Similar pages


EUROPA - Enterprise - Construction: Guidance Paper D.The latter must permit the use of the "no performance determined" option in cases ... conductivity or water vapour permeability of well known materials). ...
europa.eu.int/comm/enterprise/ construction/internal/guidpap/d.htm - 48k - Cached - Similar pages


[DOC] EUROPEAN COMMISSION ENTERPRISE DIRECTORATE-GENERAL Single Market ...File Format: Microsoft Word - View as HTML
... thermal conductivity or water vapour permeability of well known materials). ... NPD means that the producer uses the “No performance determined” option ...
www.be.no/beweb/prodfor/produkt/GP/GPD.doc - Similar pages


Dentro de las características del producto podemos encontrar que alguna de ellas presente las letras NPD (no performance determined) que significan prestación sin definir o uso final no definido.

RECEPCIÓN DE LOS PRODUCTOS EN OBRA - [ Translate this page ]Dentro de las características del producto podemos encontrar que alguna de ellas presente las letras NPD (no performance determined) que significan ...
www.arquitectura-tecnica.com/ARTCERCH72-10.htm - 49k - Cached - Similar pages


RECEPCIÓN DE LOS PRODUCTOS EN OBRA - [ Translate this page ]... podemos encontrar que alguna de ellas presente las letras NPD (no performance determined) que significan prestación sin definir o uso final no definido. ...
www.arquitectura-tecnica.com/ARTCERCH72-10.htm - 49k - Cached - Similar pages


[PDF] CONTROL DE EJECUCIN Y RECEPCIN DE CUBIERTAS REALIZADAS CON ...File Format: PDF/Adobe Acrobat
presente las letras NPD (no performance determined) que significan prestación sin. definir o uso final no definido. La opción NPD es una clase que puede ser ...
www.coaatm.es/GC/31/fich735.pdf - Similar pages


PDF] CAPÍTULO 6. INVENTARIO Y REVISIÓN DE LOS REQUISITOS ESENCIALES ...File Format: PDF/Adobe Acrobat - View as HTML
prestaciones que no se definen - npd (non performance determined), que facultan al ... Sin definir. Paneles portantes. de caras tensadas. a base de madera ...
www.confemadera.es/confemadera/ madera_construccion/capitulo4.pdf - Similar pages