BSIS07404-4:2017 BSlStandardsPublication Methods for the petrographic analysis of coals Part 4: Method of determining microlithotype, carbomineriteandmineritecomposition bsi. BRITISH STANDARD BSIS07404-4:2017 Nationalforeword This British Standard is the UK implementation of IS07404-4:2017.It supersedesBS6127-4:1990,which is withdrawn. The UK participation in itspreparation was entrusted toTechnical CommitteePTI/16, Solidmineralfuels. A list oforganizations represented on this committeecan beobtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Users are responsiblefor its correct application. TheBritish Standards Institution2017 PublishedbyBSIStandardsLimited2017 ISBN9780580923302 ICS75.160.10 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2017. Amendments/corrigendaissuedsincepublication Date Textaffected BSISO7404- INTERNATIONAL ISO STANDARD 7404-4 Second edition 2017-08 Methods for the petrographic analysis of coals - Part 4: Method of determining microlithotype, carbominerite and minerite composition Méthodes d'analysepeétrographiquedes charbons- Partie 4: Determination de la composition en microlithotypes, carbomineritesetminérites Reference number IS07404-4:2017(E) ISO @IS02017