GB/T 23456-2025 Active National standards

GB/T 23456-2025 Phosphogypsum

GB/T 23456-2025 Phosphogypsum

Publish Date: 2025-12-02 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 23456-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Gypsum products

ICS Name: Cement, gypsum, lime, and mortar

Publish Date: 2025-12-02

Implement Date: 2026-07-01

Pages: 16 pages

Scope

This document specifies the classification and labeling of phosphogypsum, technical requirements, inspection rules, and packaging, marking, transportation, and storage, and describes the test methods.
This document is applicable to the by-products mainly composed of calcium sulfate dihydrate (CaSO4·2H2O), calcium sulfate hemihydrate (CaSO4·1/2H2O), and anhydrous calcium sulfate (CaSO4), which are produced during the wet method production of phosphoric acid using phosphate rock as the raw material.

Development Information

Word Count: 19 Thousand words Pages: 16 pages

Replace the following standards

GB/T 23456-2018 Phosphogypsum

Referenced Standards

GB/T 5484-2000 Methods for chemical analysis of gypsum GB/T 5484-2012 Methods for chemical analysis of gypsum GB/T 5484-2024 Methods for chemical analysis of gypsum GB 6566-2001 Limit of radionuclides in building materials GB 6566-2010 Limits of radionuclides in building materials GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 12805-2011 Laboratory glassware—Burettes GB/T 12808-2015 Laboratory glassware—One mark pipettes GB 18599 AQ 2059-2016 Phosphogypsn storage safety technical regulations HJ702-2014 Solid waste: Determination of mercury, arsenic, selenium, bismuth, and antimony by microwave digestion atomic fluorescence method HJ 702-2014 Solid waste: Determination of mercury, arsenic, selenium, bismuth, and antimony by microwave digestion atomic fluorescence method HJ 781-2016 Determination of 22 metals elements in solid waste by inductively coupled plasma atomic emission spectroscopy JC/T 2073-2011 The determination method of phosphorus and fluorine in portland cement gypsum (JC/T 2073-2011) is provided

Related Standards

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