GB/T 3990-1983
abolished_transferred
YB/T 4726.15-2024
Active
Industry standards-Black metallurgy
YB/T 4726.15-2024 YB/T 4726.15-2024 Iron-bearing Dust and Sludge Determination of Fluoride Content: Ion Selective Electrode Method
YB/T 4726.15-2024 YB/T 4726.15-2024 Iron-bearing Dust and Sludge Determination of Fluoride Content: Ion Selective Electrode Method
Basic Information
Standard Code:
YB/T 4726.15-2024
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Mineral processing reagents
ICS Name:
Other steel products
Publish Date:
2024-12-10
Implement Date:
2025-07-01
Scope
This document specifies the principle, reagents, instruments and equipment, sample preparation, analysis steps, precision, and experimental report for determining the fluoride content in iron-containing sludge by ion-selective electrode method. This document is applicable to the determination of fluoride content in iron-containing sludge, with a measurement range (mass fraction) of 0.005% to 2.50%.
Development Information
Same series standard
Related Standards
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abolished_transferred
GB/T 3991-1983 Cobalt-coated tungsten carbide composite powders
GB/T 3992-1983
abolished_transferred
GB/T 3992-1983 Nickel-coated chromium composite powders
GB/T 3993-1983
abolished_transferred
GB/T 3993-1983 Nickel-coated copper composite powders
GB/T 11072-1989
Replaced
GB/T 11072-1989 Indium antimonide polycrystal, single crystals and as-cut slices
GB/T 2073-1993
abolished_transferred