GB/T 13840-1992
Abolished
T/HNNMIA 46-2023
Active
Group standards
T/HNNMIA 46-2023 Method for chemical analysis of molybdenum concentrates - Determination of molybdenum, copper, lead, calcium, tungsten trioxide, and silicon dioxide content - wavelength dispersive X-ray fluorescence spectroscopy (with niobium internal standard method)
T/HNNMIA 46-2023 Method for chemical analysis of molybdenum concentrates - Determination of molybdenum, copper, lead, calcium, tungsten trioxide, and silicon dioxide content - wavelength dispersive X-ray fluorescence spectroscopy (with niobium internal standard method)
Price:
$ 20.00
Basic Information
Standard Code:
T/HNNMIA 46-2023
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2023-12-04
Implement Date:
2023-12-31
Scope
Main technical content: This document describes the determination methods for the contents of molybdenum, copper, lead, calcium, tungsten trioxide, and silica in molybdenum concentrate. This document is applicable to the determination of the contents of molybdenum, copper, lead, calcium, tungsten trioxide, and silica in molybdenum concentrate, and the determination ranges are shown in Table 1. Table 1 Determination ranges of each component Component Determination range /% Mo 20.00–56.00 Cu 0.010–5.00 Pb 0.020–5.00 Ca 0.20–4.00 WO3 0.010–2.00 SiO2 0.20–15.00
Development Information
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