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)

Publish Date: 2023-12-04 Implement Date: 2023-12-31 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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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