BSIS020351:2017 BSI Standards Publication Fine ceramics (advanced ceramics, advanced technical ceramics)Absolute measurement of internal quantum efficiency of phosphors for white light emitting diodes using an integrating sphere bsi. BSISO20351:2017 BRITISH STANDARD National foreword ThisBritishStandard istheUKimplementationofIS020351:2017 The UK participation in its preparation was entrusted to Technical CommitteeRPI/13,Advancedtechnicalceramics. A list of organizations represented on this committee canbe obtained on requestto its secretary. This publication does not purportto include all the necessaryprovisions ofa contract.Users areresponsibleforits correctapplication. TheBritishStandardsInstitution2017 PublishedbyBSIStandardsLimited2017 ISBN9780580932861 ICS81.060.30 Compliancewith aBritishStandard cannot conferimmunityfrom legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon30September2017. Amendments/corrigendaissuedsincepublication Date Text affected BS IS020351:2017 ISO INTERNATIONAL STANDARD 20351 First edition 2017-09 Fine ceramics (advanced ceramics, advanced technical ceramics) - Absolute measurement of internal quantum efficiency of phosphors for white light emitting diodes using an integrating sphere Ceramiquesfines (ceramiques avancees,ceramiquestechniques avancees)-Mesurageabsoludurendementquantique internedes luminophoresdesdiodesélectroluminescentesblanchesenutilisant une sphere integrante Reference number IS020351:2017(E) ISO @ISO 2017