GB/T 3248-1982
Abolished
YS/T 349.2-2023
Active
Industry standards-Non-ferrous metals
YS/T 349.2-2023 YS/T 349.2-2023 Copper concentrate chemical analysis methods Part 2: Determination of copper content - Flame atomic absorption spectroscopy and iodometric methods
YS/T 349.2-2023 YS/T 349.2-2023 Copper concentrate chemical analysis methods Part 2: Determination of copper content - Flame atomic absorption spectroscopy and iodometric methods
Basic Information
Standard Code:
YS/T 349.2-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for heavy metals and their alloys
ICS Name:
Nickel, chromium, and their alloys
Publish Date:
2023-12-20
Implement Date:
2024-07-01
Scope
This document is applicable to the determination of copper content in cobalt concentrate. Method 1: Determination range: 0.10% to 3.50%; Method 2: Determination range: >3.50% to 35.00%.
Development Information
Replace the following standards
Related Standards
GB/T 4702.10-1985
Active
GB/T 4702.10-1985 Methods for chemical analysis of chromium metal—The cupral spectrophotometric method for the determination of copper content
GB/T 4702.11-1985
Active
GB/T 4702.11-1985 Methods for chemical analysis of chromium metal—The alizarin violet spectrophotometric method for the determination of tin content
GB/T 4702.8-1985
Active
GB/T 4702.8-1985 Methods for chemical analysis of chromium metal—The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content
GB/T 4702.9-1985
Active
GB/T 4702.9-1985 Methods for chemical analysis of chromium metal—The crystal violet spectrophotometric method for the determination of antimony content
GB/T 5123-1985
Replaced