GB/T 5187-1985
Replaced
YS/T 990.9-2025
Active
Industry standards-Non-ferrous metals
YS/T 990.9-2025 Ice copper chemical analysis method Part 9: Determination of total iron and iron trioxide content
YS/T 990.9-2025 Ice copper chemical analysis method Part 9: Determination of total iron and iron trioxide content
Price:
$ 30
Basic Information
Standard Code:
YS/T 990.9-2025
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for heavy metals and their alloys
ICS Name:
Copper and copper alloys
Publish Date:
2025-12-17
Implement Date:
2026-07-01
Scope
This document describes the method for determining the total iron and Fe3O4 content in frost-copper. This document is applicable to the determination of the total iron and Fe3O4 content in frost-copper. This document is not applicable to the determination of Fe3O4 in frost-copper samples containing more than 0.10% of magnetic substances such as elemental iron, elemental cobalt, and elemental nickel.
Development Information
Replace the following standards
Related Standards
GB/T 5188-1985
Replaced
GB/T 5188-1985 Brass foil
GB/T 5189-1985
Replaced
GB/T 5189-1985 Bronze foil
GB/T 6149-1985
Replaced
GB/T 6149-1985 New constantan resistance alloy
GB/T 5246-1985
Replaced
GB/T 5246-1985 Electrolytic copper powder
GB/T 8010-1987
Replaced