GB/T 13840-1992
Abolished
GB/T 6150.20-2025
Active
National standards
GB/T 6150.20-2025 Methods for chemical analysis of tungsten concentrates—Part 20:Determination of mercury content—Solid sampling and direct mercury analysis method
GB/T 6150.20-2025 Methods for chemical analysis of tungsten concentrates—Part 20:Determination of mercury content—Solid sampling and direct mercury analysis method
Basic Information
Standard Code:
GB/T 6150.20-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for rare metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2025-01-24
Implement Date:
2025-08-01
Pages:
16 pages
Scope
This document describes the method for determining the mercury content in tungsten concentrates.
This document is applicable to the determination of mercury content in tungsten concentrates. The measurement range is 0.010 μg/g to 15.0 μg/g.
Development Information
Same series standard
Referenced Standards
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
Related Standards
GB/T 15677-1995
Replaced
GB/T 15677-1995 Lanthanum metal
GB/T 3136-1995
abolished_transferred
GB/T 3136-1995 Tantalum powders
GB/T 3463-1995
Abolished
GB/T 3463-1995 Tantalum wires
GB/T 3628-1995
Replaced
GB/T 3628-1995 Tantalum and tantalum alloy foils
GB/T 16476-1996
Replaced