GB/T 14352.21-2021 Active National standards

GB/T 14352.21-2021 Methods for chemical analysis of tungsten ores and molybdenum ores—Part 21:Determination of arsenic content—Hydride generation atomic fluorescence spectrometry

Publish Date: 2021-03-09 Implement Date: 2021-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 14352.21-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Non-ferrous metal mines

ICS Name: \nMetal ores

Publish Date: 2021-03-09

Implement Date: 2021-10-01

Pages: 9 pages

Scope

This part of GB/T 14352 specifies the determination of arsenic content in tungsten ores and molybdenum ores by atomic fluorescence spectrometry with hydride generation.
This part is applicable to the determination of arsenic content in tungsten ores and molybdenum ores by atomic fluorescence spectrometry with hydride generation.
The detection limit of arsenic in this method is 0.18 μg/g.
The determination range of arsenic in this method is 0.2 μg/g to 2,000 μg/g.

Development Information

Word Count: 16 Thousand words Pages: 9 pages

Same series standard

GB/T 14352.19-2021 Methods for chemical analysis of tungsten ores and molybdenum ores—Part 19:Determination of bismuth,cadmium,cobalt,copper,iron,lithium,nickel,phosphorus,lead,strontium,vanadium and zinc content—Inductive-coupled plasma atomic emission spectrophotometry(ICP-AES) GB/T 14352.20-2021 Methods for chemical analysis of tungsten ores and molybdenum ores—Part 20:Determination of niobium,tantalum,zirconium,hafnium and 15 rare earth elements content—Inductively coupled plasma mass spectrometry GB/T 14352.22-2021 Methods for chemical analysis of tungsten ores and molybdenum ores—Part 22:Determination of antimony content—Hydride generation atomic fluorescence spectrometry

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 14505-1993 Method for chemical analysis of rocks and ores—General rules and regulations GB/T 14505-2010 Method for chemical analysis of rocks and ores—General rules and regulations

Related Standards

GB/T 3714-1983 Replaced

GB/T 3714-1983 Technical requirements of manganese carbonate ore powder

Publish Date: 1983-05-24

GB/T 4414-1984 Replaced

GB/T 4414-1984 Methods of sampling and sample preparation of tungsten concentrates in bags

Publish Date: 1984-05-29

GB/T 6150.10-1985 Replaced

GB/T 6150.10-1985 Methods for chemical analysis of tungsten concentrates—The thiocyanate photometric method for the determination of molybdenum content

Publish Date: 1985-06-21

GB/T 6150.11-1985 Replaced

GB/T 6150.11-1985 Methods for chemical analysis of tungsten concentrates—The atomic absorption spectrophotometric method for the determination of copper content

Publish Date: 1985-06-21

GB/T 6150.1-1985 Replaced

GB/T 6150.1-1985 Methods for chemical analysis of tungsten concentrates—The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content

Publish Date: 1985-06-21

GB/T 6150.12-1985 Replaced

GB/T 6150.12-1985 Methods for chemical analysis of tungsten concentrates—The hydrochloric acid-sodium chloride supporting electrolyte polarographic method for the determination of lead content

Publish Date: 1985-06-21