STM PDF

Coal - Methods for petrographic analysis - Part 2- Method of preparing coal samples. Original standard ISO 7404-2-2025 in PDF full version. Additional info + preview on request

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Coal - Methods for petrographic analysis - Part 3- Method of determining maceral group composition. Original standard ISO 7404-3-2025 in PDF full version. Additional info + preview on request

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Coal - Methods for petrographic analysis - Part 4- Method of determining microlithotype, carbominerite and minerite composition. Original standard ISO 7404-4-2025 in PDF full version. Additional info + preview on request

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Coal - Methods for petrographic analysis - Part 5- Method of determining microscopically the reflectance of vitrinite. Original standard ISO 7404-5-2025 in PDF full version. Additional info + preview on request

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Financial services - Personal identification number (PIN) management and security - Part 5- Methods for the generation, change, and verification of PINs. Original standard ISO 9564-5-2025 in PDF full version. Additional info + preview on request

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Additive manufacturing - Feedstock materials - Part 1- Guidelines for the selection of measurement methods for characterization of powder flow properties. Original standard ISO ASTM TR 52913-1-2025 in PDF full version. Additional info + preview on request

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