ISO 7404-1:2025
International Standard
Current Edition
·
Approved on
27 October 2025
Coal — Methods for petrographic analysis — Part 1: Vocabulary
ISO 7404-1:2025 Files
English
7 Pages
Current Edition
BHD
30.53
ISO 7404-1:2025 Scope
This document defines terms that are used in connection with both maceral and microlithotype analyses, and with the determination of the reflectance of vitrinite. It applies to the terms used in the examination of coal of all ranks and types.
This document is not intended to be a comprehensive glossary of coal petrographic terminology, nor does it attempt to provide sufficient information to allow recognition of all the coal components described.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
BH GSO 150-2:2015
GSO 150-2:2013
Bahraini Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
GSO 9:2022
Gulf Technical Regulation
Labeling of prepackaged food stuffs
BH GSO 9:2023
GSO 9:2022
Bahraini Technical Regulation
Labeling of prepackaged food stuffs
Recently Published
ISO 20816-3:2026
International Standard
Mechanical vibration — Measurement and evaluation of machine vibration — Part 3: Industrial machines with operating speeds between 120 r/min and 30 000 r/min
ISO 20816-1:2026
International Standard
Mechanical vibration — Measurement and evaluation of machine vibration — Part 1: General guidelines
ISO 23375:2026
International Standard
Intelligent transport systems — Collision evasive lateral manoeuvre systems (CELM) — Requirements and test procedures
ISO 18722-2:2026
International Standard
Tobacco heating systems — Determination of aerosol collected mass and nicotine in the aerosol with a puffing regime according to the ISO 5501 series — Part 2: Aerosol heated tobacco products (aHTPs)