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ISO 10993-7:2026 Biological evaluation of medical devices — Part 7: Ethylene oxide sterilization residuals

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ISO 24835-1:2025

ISO 24835-1:2025 Natural gas upstream area — Determination and calculation of shale brittleness index — Part 1: Determination of shale mineral characteristics based on X-ray diffraction method

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This publication was last reviewed and confirmed in 2025.

Natural gas upstream area — Determination and calculation of shale brittleness index — Part 1: Determination of shale mineral characteristics based on X-ray diffraction method

Description

This document specifies the principles, instruments, materials, experimental conditions and the sampling and composition analysis steps required for testing mineral composition using the X-ray diffraction method, as well as the method and precision requirements for calculating shale brittleness index based on mineral composition.

This document is applicable to reservoir quality evaluation and sweet spot identification in shale gas production.

Edition

1

Published Date

2026-06-19

Status

PUBLISHED

Pages

23

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies the principles, instruments, materials, experimental conditions and the sampling and composition analysis steps required for testing mineral composition using the X-ray diffraction method, as well as the method and precision requirements for calculating shale brittleness index based on mineral composition.

This document is applicable to reservoir quality evaluation and sweet spot identification in shale gas production.

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