GB/T 3691-1983
Replaced
GB/T 31040-2025
Active
National standards
GB/T 31040-2025 Test methods of residual formaldehyde from the concrete admixtures
GB/T 31040-2025 Test methods of residual formaldehyde from the concrete admixtures
Price:
$ 50
Basic Information
Standard Code:
GB/T 31040-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Cement additives and admixtures
ICS Name:
Concrete and concrete products
Publish Date:
2025-10-05
Implement Date:
2026-08-01
Pages:
12 pages
Scope
This document specifies the test method and test report for formaldehyde residues in concrete admixtures.
This document is applicable to the testing of formaldehyde residues in concrete admixtures.
Development Information
Replace the following standards
Referenced Standards
GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8075-2017 Terms of concrete admixtures
GB/T 8077-2023 Methods for testing uniformity of concrete admixtures
Related Standards
GB/T 3692-1983
Replaced
GB/T 3692-1983 Test method of ferrocement panels in axial tension
GB/T 4582-1984
Active
GB/T 4582-1984 Terms and their definition of ferrocement
GB/T 8075-1987
Replaced
GB/T 8075-1987 Classification, nomenclature and definition of concrete admixtures
GB/T 14908-1994
Abolished
GB/T 14908-1994 Internal and partition concrete panel in residence
GB 396-1994
Replaced