{"id":314665,"date":"2024-10-19T21:40:29","date_gmt":"2024-10-19T21:40:29","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-7404-22009\/"},"modified":"2024-10-25T19:47:33","modified_gmt":"2024-10-25T19:47:33","slug":"bs-iso-7404-22009","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-7404-22009\/","title":{"rendered":"BS ISO 7404-2:2009"},"content":{"rendered":"
This part of ISO 7404 specifies methods for preparing a polished particulate block from a sample of crushed coal for analysis by reflectance microscopy. These methods can also be applied to the preparation of a polished, embedded lump of coal.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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9<\/td>\n | Scope Normative references Definitions Principle Reagents and materials <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | Apparatus <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | Procedure 7.1 Preparation of the coal sample for making a particulate 7.1.1 Sample Drying <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Size reduction Sample division Preparation of particulate block Preparation of polished surface of particulate block <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Examination of the polished surface Storage prior to reflectance analysis Re-examination of a particulate block <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Methods for the petrographic analysis of coals – Methods of preparing coal samples<\/b><\/p>\n |